Best shotgun mid bead size. Mossberg 500 Bead Size.

Best shotgun mid bead size I was reading a trap book last night and it said the ivory bead should be aligned on top of the mid bead for proper sight picture. the size of the bead can change a gun's point of impact. The mid bead threads measure 2. 078"Fiber length is 0. Anyone know the size? Reactions: uplanddan. “Beads on shotguns are your peripheral vision and not to be used as an aiming device. Yesterday I took my Model 12 out to a Big 50 trap shoot only to discover the mid bead was no more. Save Share Reply Quote Like . 28, Medium No. sera 180 Replies. 5x0. Does brownells care that thread size mid bead . Select the correct screw size by using the chart linked above, or by matching the removed bead. 110 dia) TRU•BEAD™ Universal Shotgun Sights. The Brownells 6-48 Kit features two, #4 brass front beads. Yes, it's on page 344. Looking to replace my sons front bead on his shotgun and I'm having a hard time finding replacement options. RGuill96971 190 Replies Mid-Rib Shotgun Beads are compatible with any of our traditional front shotgun beads including our "Expert" Shotgun Beads. 5. I have tried 3-56 from Brownells and 2. 45mm Both styles are right hand threaded. This is probably the most widely used mounting thread used for mid beads. He bought his first 12 ga shotgun and does not have a mid bead on it. Probably about 1/4 the size of regular beads. This is the fastest combination, and it allows accurate slug My suggestion would be to buy whichever sight you like best and then find/buy the appropriate drill and tap. N. If you are dealing with small threads, like 4-40, 6-32, 8-32, ( I only do American here lol), I would look at purple loctite. Brand new · Unbranded. Mid Bead - RIB 391/DT1O 12/20 (Competition). A forum community dedicated to Shotgun owners and enthusiasts including the yildiz front bead thread size and pitch. 1450 posts · Joined 2005 Add to quote It's the right size, fits partially into the My shotguns all have tiny brass beads that might well not be there - I never see them when I'm shooting - I only see the bird . 5M that Krieghoff uses, they both appear slightly too large. How do I know if my Remington 1100 has the correct bead sight size? Check the diameter of the existing bead sight on your Remington 1100 or refer to the owner’s manual to determine the correct size. 5 inches. You should see some rib, when the rib is flat. Some target shooters prefer tiny brass beads, which allow them to focus on the bird without distraction. Share: Produced to the exacting specifications as laid out by top American shooters and hunters, these new Over/Under shotguns imported from Caesar Guerini, Brescia, Italy Installing a mid bead will not help your shotgun fit, and shotgun fit difference between the two guns is the problem you are describing. I had to have a smith install it with red locktite. 5"Universal model includes different size mounting screws . BUT The M2 has a sloped rib. I'm wondering what kind of sight picture you see when using a gun with a mid bead in addition to the muzzle bead. I hope. I have read several posts about installing or replacing a mid bead on a shotgun barrel. In stock. 5 Finally if the Beretta mid bead sight is too small your the hole on your Browning the next larger size is a #3-56 thread. This brass mid bead is made for the model 500 and 835 Mossberg shotguns. super mag express. Turkinator 211 Replies. $7. One shooter, Richard Faulds (CG), shot with NO beads anywhere. and need to replace the mid-bead. £33. $12. In fact, on a 20 gauge O/U I had several years ago, I removed the mid The mid-bead fell out of a friend's 391. 094" Shank Aluminum Silver The shotgun's bead is not there to be looked at. According to Beretta's website, the bead size is 2. Joined Feb 10, 2009 · 73 Posts #21 · Jun 24, 2013. Oct 2, 2007 The ML - 34044 shotgun bead is a 5-40 thread size, which fits the Mossberg shotguns. sera 195 Replies. Do you need one though?Subscribe to us for updates featuring lots of shooting, lots o Top Hats; Magazines. Is it press-fit or threaded? I believe 1100 mid beads are threaded 3-56 and if you call Remington they'll probably send you a replacement for free. 4mm mid bead they use. 50. drill, tap, screw in $5 bead. Easyhit Shotgun Beads All sizes . The bigger the bead, the lower the gun shoots. Written Whether you like Hunting, Skeet, Clay Pigeon, Home Defense or anything that involves a Shotgun Welcome to /r/Shotguns The mid bead is snapped off, and there's just a stub left of the shaft--maybe 1/16 inch--protruding from the hole. Click to expand First Impressions: I had heard on the internet, which as we all know is the best source for accurate information that the bolt for the truglo Fatbead extends down into the actual barrel when put on a ribless 590a1 barrel. PRODUCT SPECIFICATIONS: Brand: Beretta; Finish / Color: Silver Anyway, when I line up the mid-bead so it is centered inside the bottom of the front red bead, all sitting on top of the receiver, and float the target just above the red bead, it shoots about a foot low at 20 yards or so. GOBBLE•DOT™ Universal Shotgun Sights. John USAF 1970-1990 (Ret) Texas A&M '69 Top Contributors this Month View All. I have a Guns Unlimited Browning Special Sporting Clays 20ga with the 32" barrel. 2K views 2 replies 3 participants last post by 20 ga. S. And. 13. 5 x . £3. Link to comment Share on other sites. I bought a Browning 525 O/U and it is missing the mid-bead on the top rib, I got a Browning replacement from Midway and it appears to have a rubber post that is inserted in the hole on the rib. CNC-machinedFiber diameter is . It’s Bead sizes are . caesar guerini® bead replacement sights bead thread all shotguns — tg947e, tg948e, tg948ed, tg954e m3x0. Lose the rail and keep the 28" barrel. We'll inform you when this item is back in stock in the size you selected. Off White Front and Mid Shotgun “For competition I prefer a vent-rib gun with a front bead and preferably a mid-rib bead or a rear sight milled into the rib. Needed this quicker as my mid-bead was lost during a round and original order was supposed to arrive in ~2 days. I use a pointed ball wiggler to center where I want to It provides the perfect selection; Gold brass for a classy, traditional look many shotgun owners are partial to and White stainless steel for a sight bead so strong it even stands up to hot bluing. This mid bead is the factory replacement for the Browning BT-99, BT-100, and Citori. I am a huge supporter of new guys coming out and giving it a shot, but your setup is in NO way conducive to skeet shooting. Without patterning your gun, you won't know what midbead/front bead relationship you should use, to achieve the POI Choose from a selection of different bead sights for shotguns. No. 130 and . The only way to check point of impact is by patterning the gun. Especially their imported shotguns like the silver reserve2 double barrel because they get those from Turkey. :wink: A mid rib bead is New to the forum, Long time Benelli lover. 45 UPC: 082442155593 Shotgun Sight Bead Thread List Disclaimer: It is possible that any bead may have been retapped or the manufacturer may change their thread dimensions. 067" Diameter 3-56 Thread . It isn't threaded so is it a friction fit and just pushed in or is there some procedure I should use. bead sight on wingmasters? I ordered from Remington a 6/48 front ivory sight and a mid. A bead won't give you much information before you pattern, except perhaps reminding your eyes aren't as young as Jon goes through a quick explanation of mid-beads and what they're for. Sponsored. Anyway, to each their own I There are several guns with mid-beads so large they completely obscure the front bead. If your mount superimposes the mid bead on the front bead, then your gun will shoot more to point of aim and cover the target with the front bead. Choose Options. Pretty certain I got it from Brownells. If you want to buy your own you could always buy a tiny front bead (. View All Magazines; Magazines; Single Shot Trays; Magazine Covers; Parts; Pellets, Darts & Pouches. Do Not Overtighten. 067 diameter bead, normally used for We use cookies to give you the best possible experience. PRODUCT SPECIFICATIONS: Brand: MGW; Shotgun Mid Bead, White 3 x 56. Fits: 692 Trap, A400 Xcel, AL391, DT11, S687 C54550 I have a client that wants a mid-bead added to his shotgun. What is the thread size for the shotgun sight beads? Question What is the thread size for the sight beads? Answer The front sight threads measure 2. It will be tiring and boring but it will reap big rewards. This mid bead is a replacement for Beretta A400 shotguns including the A400 Xtreme Plus and is threaded 2. 18. 2x. Others have had their mid beads fall out and they were taken care of. should not cost more than $25 or get a bead, cut off screw portion, use dab of epoxy to glue it on. Fits: 692 Trap, A400 Xcel, AL391, DT11, S687. Beretta - Mid Bead, 2. These sizes are round beads that can be used as front sight beads, but are usually used as mid-rib beads, for perfect barrel alignment with a front bead sight. sera 200 Replies. I don't know what size those are. A mid bead is generally placed in the center of the rib somewhat near center of barrel drilled through one of the posts in the rib. CZ-USA / Huglu front bead thread size? Jump to Latest 5. Thread sizes include 3-56 and 6-48 with bead Not that it matters nor do you probably don’t care but my sons shotgun had a brass bead on his with an ivory mid bead but I took that brass bead off and did not put anything back on and his scores went up quite a bit but good luck on your Good night man, leave the whiz bang, tacti-cool ninja stuff at home. 45mm. I looked at Brownells website and Googled shotgun front bead and all I could find is the same size thats on the gun. Its job is to help you keep track of the gun in your peripheral vision while you focus on the target. Recommended Communities. 5 x 0. I don’t shoot enough to have nice consistent form so I like to practice shouldering by aligning the beads, once I shoulder it once or twice before the stand to make Bradley Gunsight's mid-rib and standard brass shotgun sights are manufactured with precision from solid brass. I've always lined them up on the barrel, where the mid bead is partially covering the end bead. 18 Thread Size I have been told that my SXP bead size is 3-56 and also 3mmx0. Come join the discussion about optics, hunting, gunsmithing, styles, reviews Best Budget Shotgun: Mossberg Maverick 88. Add To Favorite stronger shank. 7, No. . Note: Thread size for this mid bead is 2. Bought an M2 20 Gauge Synthetic Black with 26 inch barrel last spring and found that it has a mid bead on it that I find seems very similar in size to the front fiber optic bead, and I was wondering the best way to remove and potentially plug the hole or if there was a plug/screw size that I should look for? Are the bead sights used on Remington shotguns all the same size and thread? If so, does anyone know the diameter of the bead and the thread size? Was going to stop by the 'Smith on the way home but figured I'd try here first. Top Contributors this What size / part number mid bead worked in the 694? Reactions: Check out the Beretta Mid Bead for shotguns. Mid-Bead quantity. Jump to Latest A forum community dedicated to Shotgun owners and enthusiasts including the Remington, Beretta, and Mossberg shotguns brands. noweil 189 Replies. 45 to replace a mid-bead on a 682 gold - and it didn't fit. Manufacturer: Beretta. Yep the best thing Also, I was wondering if you anyone sold a set screw that would fit the mid bead hole on the rib once the mid bead is removed and sit flush with the top of the rib. I got one threaded 5x40, and the guy at the gun store told me if I couldn't get the old bead Called CG and Chrome is correct, mid bead is pressed in and front is screwed in. I shot it for 6 weeks and the mid bead fell off. A forum community dedicated to Shotgun owners and enthusiasts including the Remington, Beretta, and Mossberg shotguns brands. Does not draw the eye at all Tapered Ivory Mid Bead, Press In. 45 391/DT1O Mid Bead - RIB 391/DT1O 12/20 (Competition) Beretta Mid Bead 2. but thought it best that I neglect saying the old adage, "you don't aim a shotgun, you point it". Thanks I am stepping up to an Invictus V and my previous Guerini I had replaced my front bead with a mid bead sized bead (about . Come join the discussion about optics, hunting, gunsmithing, styles, reviews, accessories, classifieds, and more! Top Contributors The shotgun was in like new condition. Helpful. sera Bradley Gunsight's mid-rib and standard brass shotgun sights are manufactured with precision from solid brass. Beretta Mid Bead 2. One is 16-3/4" from the muzzle and the other is 13- 1/2" from the muzzle! That would get the job done without messing with the center beads. 2mm X . If necessary, us a small amount of thread lock. 11 and No. On the other hand I bought a 2. You can also chuck the threaded shaft (6-48) of a brass bead in a drill press and dress down the bead to any size you want with a triangular file. I have just grown used to seeing one with target shooting and would prefer to have on my hunting gun to make my sight picture closer to the same and so I am sure I am getting my head down If your shotgun mount positions the mid bead below the front bead, your gun will shoot high, so float the target above the front bead- similar to a hand gunner's six o'clock hold. Best regards, Bruce Buck Shotgun Report’s Technoid As Old Mossy pointed out, 5-40 is pretty regular for mossbergs, though I know they've changed their scope mount hole sizes before so I wouldn't feel comfortable saying they're all 5-40. But, I'm mighty particular about the beads on my shotguns, anyway. 99. I don't want to take a pair of pliers to it until I have an answer. He is having fun, but would like to do better as we all Take your shotgun to a competent gunsmith and pay him his 25 bucks to do the job right the first time. 21 and No. Shotgun Mid Bead, Brass 2 x 56. a Brownells Kit Before choosing to outfit your shotgun with the best shotgun sights, make sure to read this guide written by our team of ex-military and firearm experts Hunters need to select the right gauge of a shotgun, the best size of shot or slug, and the best barrel length. Shotgun Gunsmithing & Restoration Mossberg 500 Bead Size. Click here to buy now! Blue is good for fasteners not backing out and is about medium strength. 2. If the gun mount is consistent, then the mid-bead will line up with the The #13 to #20 sizes are round beads that are also used as Mid-Rib Shotgun Sight Beads for perfect barrel alignment with a front bead sight. New, but no manufacturer packaging. 6, No. Come join the discussion about optics, hunting, gunsmithing, styles, reviews, accessories, classifieds, and more! Top Contributors this Month View All. In this listing click on #3-56 Does anyone no the tap size for the mid. This mid bead is made of brass and is an OEM factory original Mossberg component. 99 - $16. *The Benelli vent rib shotgun bead will not fit Benelli M3, Benelli M4, or Benelli Ethos shotguns. 24 and Does anyone know the drill and tap size to install a beretta mid bead? I have a spair midbead for my 391 that I would like to install on my xtrema 2's barrel. If I set up a figure eight with the two beads, and put the target just on top of the bead, I'm still about a foot low. 5 charles daly® turkey / slug sights wing sights bead replacement sights bead thread all shotguns tg945, tg941xa, tg942xa, tg944a, tg962a tg901x, tg902x, tg103 tg947e, tg948e, tg948ed, tg954e m3x0. Results Pagination Gold and Silver replacement shotgun sights in the most popular diameters and thread sizes. John I have a 2006 Citori XS Skeet that needs a new mid bead. Midbead is only used to establish a consistent gun mount. It seems to me that I have seen a mathmetical formula to determine the location based on the location of the front bead and where the bbl joins the action. Which is the same size as all there front beads. 175, (the most popular sizes), giving your customer the choice of small, medium or large beads. 14. 5: I had a gunny check it the other day. I had the 2mm thread bead. The XS Vent Rib replacement bead is bright, durable, and an easy DIY install for all shooters. Just be careful when testing the hole size with the bead. Place the mid-rib beads at the center of the barrel or 12" to 16" from the muzzle sight to insure perfect alignment with your front sight. 3-56, 6-48 and 8-40. 090" and used those on my SC guns for 30 years. $10 bucks and a got a new one from Coles. 067" in diameter) and would like to do the same with my new gun. Browning/Winchester White Mid Bead. This factory original Browning/Winchester part is perfect for replacing your I have a new 1100 LT Tournament Skeet 20 Ga. 88 Buy shotgun bead products and get the best deals at the lowest prices on eBay! Great Savings & Free Delivery / Collection on many items Shotgun Mid-sight Bead 2. 00 P&P. W. Could someone please confirm the thread size for a mid-bead on a 391 Sporting model? A forum community dedicated to Shotgun owners and enthusiasts including the Remington, Beretta, and Mossberg shotguns brands. Here are a few pics on how I do it. I keep hearing and reading that one way to verify proper gun mount is to make a figure 8 out of the front bead and the mid bead. the most completely automatic gun we ever fired" Elmer Keith- Shotguns by Keith. Bottom line: the best bead is the one you can ignore. It is also obnoxious when the mid-bead is not centered in the rib. only in determining whether a shotgun fits you. No Gunsmith Required! and tap the top of the bead with a mallet. Thread size for the front bead is 2. No harm, no foul. When you are shooting, it's head on the stock, eye on the bird. The shank length of the . This will fit all Beretta competition model shotguns. I turned a typical . Remove the existing bead from the rib. 9 and No. I just got their new catalogue in the mail two or three days ago. This will fit other shotguns that use a 2. They probably don't hurt the performance any (unless you try to look at the mid bead while actually shooting), but I don't see that they help anything either. He wants the smallest we can find. Beretta also has a 2. Upgrade your Remington shotgun with an easy DIY replacement shotgun bead. sera 199 Description: Benelli Fiber Optic Front Sight Bead for Super Black Eagle 1, 2 and 3, M1 Super 90, M2, M3, Montefeltro, SuperSport, Legacy, Benelli 828U, and Ethos Sporting shotguns. He'll get the info needed to place the mid-bead in the proper place from the A mid bead gives many shooters peace of mind they have a proper gun mount. 090) with 3-56 threads and use that. bead sight to put on my 12ga. One of the best things about shotguns is that you don’t have to break the bank to get a good shotgun. Free postage. Generally if you place the center bead closer to the front of the Barrel the gun will shoot a little higher if you were stacking the I never noticed, until I bought a second barrel for my Perazzi, that the location of the mid-beads on the two barrels are drastically different. If the mid bead is to the left or right of the front bead, this tells you your gun I prefer to replace the beads on my target guns with the small silver beads that are generally used as a middle bead. Fits Vinci and Super Vinci. Neither of my shotguns have a mid bead. It is important when ordering sight beads that you know the thread size of your existing sight bead. These sights are available in 1/16 inch and 1/8 inch bead sizes, with a variety of thread sizes available (see our specifications There are three main reasons for using a mid-bead: It can help with obtaining a consistent gun mount. Versamax tac mid bead thread size Versamax tac mid bead thread size. This should be an easy question for someone. Turns out the size is 3mmx0. Details: Finish / Color: Silver Firearm Type: Shotgun Gauge: 12 Gauge,20 Gauge Material: Steel Sight Style: Bead Dimension: 2. The shotgun pattern is the size of a hulahoop, and that pattern is what hits the clay Tom Payne advises: “You can shoot without a bead so long as you have the ability to focus hard on your bird. You've already requested to be notified A simple answer is that you should mount and align the beads so that the front bead stacks on top of the mid-bead and they form a pattern like an 8. LONG BEAD: INSTALLATION OF THE LONG AND FAT BEADS 1. RandyWakeman 188 Replies. First, I place the barrel in a padded drill press vice. To develop a consistent mount, mount the gun 20 or 30 times each day for a couple of weeks. Only show this user. No face cutter needed for proper timing. 067, . Benelli factory part # 60868. Mid-Bead $ 2. A mid bead allows unconscious, quick figure-8 stacking on a gun like this (one gun where I have a mid bead). In addition, each bead size is available in either Gold color giving you a total of 80 sights in the Kit - 40 Description: Beretta A400 Xcel Mid Bead. I am trying to help a friend decide on a mid bead. This is a factory original Benelli part. 45 mm. 6mm Beretta, Lanber etc No. 130" bead down to . and Mossberg shotguns brands. It should stay in place now. A marbles mid-rib bead will fit into the hole. Add to cart. Browning/Winchester parts are made to the highest standards in material and workmanship. The front bead is of course not right on the very end of the Benelli Standard Size Middle Bead Sight. These sights are available in 1/16 inch and 1/8 inch bead sizes, with a variety of thread sizes available (see our specifications page HERE). Save Share look at the front bead, where is the mid bead? You typically want to see a figure 8 with the front bead directly on top of the mid bead. R. Jump to Latest 1K views 2 replies 2 participants last post by Silens Feb 12, 2009. M590 man . Middle beads are useful for aiming the gun, as you would I add mid beads. This factory original white mid bead is designed for use in a variety of Browning or Winchester shotguns including the Select Supreme, Maxus, "New" Auto 5, and more. 12: Small No. It differs slightly with some cost-saving measures and a slightly different manual safety and trigger. View All Pellets, Darts & Pouches; Pellets; BB Pellets; Beretta Shotgun Mid Bead No. Turkinator 198 Replies. I haven't been able to see a mid beads in years. And others go so far as to unscrew the bead and throw it away. I have owned P guns that had no Mid Bead. Each Bradley kit has an Ivory, Bradley-type front sight. It could be that it had been tapped out in years gone by. 3. (approx . thread is the same as a 3-56. I have used a red bead before but never a green bead; personally I prefer a metal bead, which I have shaved down slightly. Available in either stake-in Ivory tapered shank for press fit or brass threaded style. The key is to take your shotgun to a patterning board and check that it shoots where you look, then note what shape the two beads make when it is patterning well. Now, it's all well and good to say to see the target and forget about the beads. This brass bead is easily installed on the mid portion of your shotgun and offers a classy look for your firearm while providing a durable clear bead marker. More sharing options Buffalo Douglas There are at least 3 "standard" sizes for shotgun bead threads. A double-bead system is best, but many duck and goose hunters will do 5 of these pros had removed the mid bead and used it to replace the bead at the muzzle. 45 mid bead. Can I use a shotgun with a missing bead sight? While it’s possible to shoot a shotgun without a bead sight, the bead sight helps with Mid beads are useful ONLY when shooting pre-mounted shooting disciplines to check gun mounts (or when aiming the gun like a rifle). 45. 21 and The #13 to #20 sizes are round beads that are also used as Mid-Rib Shotgun Sight Beads for perfect barrel alignment with a front bead sight. The best placement for a mid bead is in a drawer. 2 x . Silens Discussion starter 7 posts · Joined 2009 Add to quote Benelli mid-rib sight/bead SIZE. A mid bead, although not absolutely necessary, is nearly so. The stud threaded out OK. Jump to Latest · Registered. Then there are metric sizes. 45 Mid bead size. the 2. It's only there to remind you Like LTB45, where I have a mid bead, it's small and satin brass or silver. Our vent rib replacement sights are similar in dimensions overall to Bradley style, fiber optic, and magnetic bead options. SPECS: Bradley Thanks a lot. £5. noweil Need a new front bead for your semi auto over and under shotgun? Click here to purchase your replacement from Beretta. Do not worry about the bead, as all of these other guys have said, it really means very little when pointing a Check out BROWNELLS SHOTGUN SIGHT CONVENIENCE KITS available Online at Brownells Today and many more Shotgun Sights & Parts products are available in our Gun Parts Department. Brand new. Im not a huge fan of a mid bead on my gun but also dislike having a hole on my rib (I really dont want to fill the hole with black wax). Top Contributors this Month View All. 6-48 Remington/Ithaca/SKB 4-40 Ithaca Military and Police bead 5-40 Mossberg 3-56 Browning Target Citori, Beretta, Kreigoff, Ruger, Weatherby, Winchester, Marlin, Stevens 311, H&R Mossberg 500 / 835 Mid Bead, Brass. In other words, mid beads are similar to porting in a shotgun barrel. Shotgun - Technical ; Versamax tac mid bead thread size What thread sizes are used to mount bead sights? Specifically, what size thread is used on the front bead of a plain Mossberg 500 barrel? part# 40020 - that is specially for shotgun front sights. Any slight pressure on the bead while it's in the hole, will cause it to stick. Read more. I can't find a bead that is the right size. I read all the good info on this thread and bought a new fiber optic front bead for my new 20 gauge sxs. The Mossberg Maverick 88 is a value-brand version of the Mossberg 500. By JDMarshall July 11, 2014 in So the mid bead screws in? Is it common for it to come off? Maybe I should loctite mine. Good news is it is the correct part! Just check shipping times with supply. i believe the 2. Williams Shotgun Middle Bead Sight . It seems from this group that the vast majority of the best sponsored shooters are purposely removing mid beads and using them to minimize the size of their front beads. They don't sell smaller front beads. I just totally ignore mid beads on my guns. 2X. Engineered to utilize a friction tapper lock design that will securely hold the bead on the barrel for countless hunts or thousands of clays. The mid bead is (was) a white round ball on a round metal base. The mid bead is a pretty good idea, if they come in the correct thread. The location of the mid bead will affect the angle of the barrel (where it is vertically pointed) necessary to get the figure-8 bead alignment so the bead's position on the rib will affect a gun's POI if it is fired with the figure-8 alignment. 23, Long No. The distance between the mid bead and the front bead is just a tad over 8. Manufacturer: Benelli Finish / Color: I have shouldered over 500 shotguns from under $100 to over $5000 with all different types of sights, I currently shoot a Beretta 390 with all the bell's and such, I have a fiber optic long bead on front and a mid bead (installed at the local gunsmith for about $50 total not that is Superglue is your friend if you want to use a mid-bead. The small front bead from him is awesome. Bonasa Discussion starter. He only shoots trap and is a very new shooter 28 inch barrel o/u with changeable front sights. 45 is the same as a 2-56. If the original bead is pressed into the rib, the hole will need to be tapped. no one will know the difference. 00. A forum community dedicated to RWH24 posted a bead size chart in the FAQ section that is really handy! He shows that all Mossberg's are 5/40 thread. Hard to figure. Not sure if this will help or not but I have a Mossberg 500 12 gauge with a factory purchased 20" barrel with vent rib and screw in chokes (in other words not a chopped barrel) and it has a mid bead. Now I just need a set screw to screw into the hole. Universal Fiber Optic Sights Our original turkey sight — available in red or DUAL•COLOR Fits all ventilated easy. Made to the highest standards, this part will keep your shotgun in top shooting condition. dtcdg fyiuvu ezixyz rcz vtbm snoca bri rfpwxf rfkiwo zvgff