The only suppressor manufacturer that I know of that allows crush washers on muzzle devices is B&T. The crush washer is fine with a Surefire muzzle device unless suppressor use/alignment is a factor. Length: 2 1/2" X-Terminator Muzzle Brakes should be properly timed with a crush-washer, peel-washer or muzzle device shim … Muzzle Brakes. Surely sir, you cannot actually be suggesting that. They could be maybe .005 in or less in diameter to match my muzzle … Crush washers are perfectly acceptable to use on any open aperture muzzle device, such as the standard A2 birdcage flash hider. Precision machined from high strength 400 series stainless steel to a guaranteed thickness uniformity of ±0.0001". All shims feature an oxide blasted non-reflective surface finish for low visibility. The 3-port size is the perfect length to bring a 13.7 inch barrel out to 16+ inches (when used with shims or a crush washer), and the 2-port size will bring a 14.5" barrel out to 16+ inches. Should I use crush washers, peel washers or shims ? More importantly, it relies on the principle that the washer will deform uniformly while it is being crushed. the other method is to use a single crush washer that "crushes… These brakes can help … What do you use? Also will a new brake change my velocity on my loads ? Mine is for my Glock 21, with a threaded barrel. so that the ports are facing the correct directions for optimum … One feature I have found particularly nice on their AR-15 5.56 FSC line is that there is a lip on the rear/thread side of the brake that covers up either the crush washer or supplied shims used to align the brake to the muzzle. These guys have excellent service and I’m very happy that I feel I should leave this review. This requires that the material is uniform and that you apply a perfectly pure torque load normal to the bore. This is very unlikely (for anyone who has installed one) when you're putting all your might into the 30-60 ft-lbs of torque they often require. Since only one shim is required, the tolerance stackup's and complexities associated with peel washers and other multi-shim systems are eliminated. The coefficient of friction between the threads is what limits your rotation, cutting this coefficient in half with grease can give you twice as much rotation. 'For this man who needs amazing kind of grace. The stainless crush washer would not crush. This muzzle brake / compensator hybrid virtually eliminates recoil and minimizes muzzle … Includes a crush washer. Having said that, I’ve now done 4 muzzle devices (two Efab) on one accuwaher kit. One Accu-Washer System will align approximately nine brakes (on average) before replenishment shims are needed. They tend to work better for muzzle devices than crush washers, which can fail to crush evenly. Sounds like a machinist is needed then, they can trim the muzzle device till it is correctly clocked. they are two different methods. Thanks! Get an alignment rod to check that you are properly concentric. Firstly, crush washers come to a knife edge on both mating surfaces - it is likely for this reason that a muzzle device is already misaligned just sitting on the crush washer before it is even torqued down. I have OCD so when I say exact I mean on the dime exact, and everything aligns perfectly, something I cannot do with a crush washer. Posted by josephmasanque on 30th Nov 2018. Add to Cart Added to Cart! I used accuwashers on one installation and they worked great. Make sure you don't already have shims &/or crush washer. Unlike crush washers, which are single-use only, peel washers are re-usable. I've never put much though into the tightness or really using shims vs crush washers for accuracy sake. Out of Stock! OK ... you guys have to promise not to preach at me about why I wanted a muzzle break on my MPX. Out of Stock. They also are self centering when you use them on barrel that has a relief cut before the shoulder. That should to it. ID is 3/4", OD is 7/8" Anyone have any ideas? I would recommend anyone looking to do a precise build on an AR system to get these shims from Precision Armanent, I would not do it any other way. This set is used with our 5.56mm Q.D. However, our opinion is they should never be used on any baffle style muzzle device … Don't know if mag pro will fit with new brake. I just ordered, but haven't received yet, a threaded jam-nut. Come join the discussion about optics, hunting, gunsmithing, styles, reviews, accessories, classifieds, and more! I mean, there are now several bags of these shims & washers in my parts bin, and I've never bought shims 'n washers by themselves. Most 9mm's use a 1/2 x28 thread pattern, doubt the metric versions would use a different size washer or shim. They are strongly recommended for installing our:M4-72 Severe-Duty CompensatorM11 Severe-Duty Muzzle BrakeM11-SPR Severe-Duty Muzzle BrakeEFAB (Enhanced Flash Arresting Brake)AFAB (Advanced Flash Arresting Brake). there is a difference between a crush washer and timing shims. View Quote. The fluted face of the X-Terminator Muzzle Brake can be used for breaching doors and barbed wire fences. Lastly, a little elbow grease. I used 3 of the thinnest ones with the crush washer and they work great. JavaScript is disabled. That said a crush washer won't hurt at all. Shims and peel washer … It pays for itself! they are two different methods. It is recommended that you never … Still easier than using a peel washer I’m sure. After all of this, and not one picture! On Monday I ordered another set, and today which is Wednesday, it arrived to Washington state all the way from New York. Once the muzzle device is threaded onto the barrel and in the correct orientation, the jam nut is tightened back against the muzzle device, "jamming" the device in place. The factory gets around this by using a crush washer. Place the crush washer over the muzzle threads, then thread the muzzle device up against the crush washer, hand tight. Place the muzzle break between your legs and begin thrusting with your hips. Simply choose the correct size Accu-Washer® shim to accurately index your muzzle brake or flash suppressor while maintaining perfect bore alignment. As an AR upper comes from Bushmaster, .556 and 30 cal shim packs are too small, .338 Lapua are too big. Going to replace muzzle brake on my R-Bros 338 edge with a Ti-Pro 3. 06-03-12, 02:11. (So there!). We now stock over 1,500 unique AR-15 products and are building … Precision Armament, for example, machines the AFAB and EFAB to have tight exit holes and recommends shims only for those devices, no crush washers. Not a big fan of the crush washers although I have used them before. https://rangehot.com/crush-washer-shims-install-muzzle-device Shame on you rustywalther... there is a difference between a crush washer and timing shims. This compensator features a unique radial porting design with 2 stage muzzle brake to effectively reduce recoil. We suggest you apply generously, then run the brake on and off the barrel a couple times to work it in, then wipe up any excess. For a better experience, please enable JavaScript in your browser before proceeding. I want one, I got one, and I'm going to mount it. However, I did have to sand down a washer to get it to fit the last time. This creates excessive torque that I don't want my muzzle to endure. https://precisionarmament.com/product/accu-washer-system/, https://www.newfrontierarmory.com/shop/12-50-id-crush-washer/, https://www.wingtactical.com/firear...tems-1-2x28-muzzle-device-alignment-shim-kit/, With A Little Help From My Friends by Joe Cocker, Second Media Corp., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. On average, each pack will get you about 9 installations before a single replishment shim is needed. It doesn't work. Respectfully ... have you ever used a 1/2-inch washer to successfully mount a M13.5 muzzle brake on a SIG MPX 13.5 barrel? View Full Version : Indexing a muzzle brake with shims. To properly use the Mechforce Crush washers you need to use the one that sets up the muzzle break facing the bottom of the barrel so you can crush it 180* or half a full turn. The barrel is threaded for 3/4-24 and I have a muzzle brake for it, but I can't find either a crush washer or timing shims for it. It aligned pretty easy this time. I'm stuck between two shims, what should I do? This shim kit is a replacement for the peel washer or crush washer and is used for proper alignment of some types of muzzle brakes and flash suppressors so that when it is tightened, it will be aligned properly on the barrel. Designed to fit 1/2-28 or 5/8-24 threaded barrels. You may also apply some lubricant to each side of the shim as there is friction in the works here too. OK ... solved this with a M13.5x1L-to-1/2x28 thread adapter from. shims are very very thin washers that you stack until you get the muzzle device timed correctly. Features of NcSTAR Crush Washer For AR Muzzle Brake: This allows you to properly time your muzzle brakes and flash hiders on your barrel. I just put a VG6 Epsilon on my 516 and used the supplied crush washer. This minimizes the risk of baffle strikes, ensuring maximum accuracy and safety from your muzzle brake or suppressor. Knights Armament has a muzzle device shim … Quick View Precision Armament Accu-Washer Muzzle Device Alignment System (1/2-28) $24.99 $ ... Primary Weapons Systems 1/2x28 Muzzle Device Alignment Shim Kit. First, make sure the threads on your barrel and muzzle device are completely clean and free of all debris. The only absolute is that there are no absolutes...with possibly some exceptions. Shims or peel washers are better in my opinion. For an average shooter your inaccuracies will be way more about ammo than muzzle devices. On brakes that cannot be more than 90 degrees out of time, one pack usually suffices. Crush washer. "Non nobis Domine, non nobis, sed nomini tuo da gloriam.". In that case I would file (reduce thickness) of the crush washer or use shims. SLR Rifleworks Aluminum Crush Washer 3-Pack (1/2-28 TPI) $14.99 $14.24. This method is common when the barrel threads are roughly the same diameter as the barrel. SpyderMan2k4. Crush washers are perfectly acceptable to use on any open aperture muzzle device, such as the standard A2 birdcage flash hider. Next, applying a moly-grease or CLP-type lubricant to the threads on the brake and barrel will provide further rotation for the same torque. Its was extremely simple to … Over the years, I've purchased 10 or 12 muzzle devises from 3 or 4 different companies, and they all came with a bag of color coded shims and a crush washer or 2. For full specifications, installation manuals, and more - visit our Technical Resources page: Posted by josephmasanque on 19th Feb 2020. One of their Rotex suppressors mounts on A2 flash hiders, and gets issued all across Europe on HK 416s with crush washers… Worked perfectly the first time I tried. However, our opinion is they should never be used on any baffle style muzzle device where the clearance hole is only slightly larger than the bullet. We started True North Arms in 2016 with the goal to create a comprehensive Canadian online source for AR-15 parts, tools, and accessories. A forum community dedicated to SIG Sauer Pistols and SIG Sauer Rifles owners and enthusiasts. Why aren't these included with my muzzle device? Using a wrench, socket, or other suitable tool, Turn the Brake 1/4turn/90degrees … These made mounting a new brake so easy. The fit and finish is above what you see on most brakes and is without question a finely made part. Includes 18 individually marked Accu-Washer™ shims (timing adjustable from 0-360 degrees in 20-deg increments) and easy to follow instructions. The torque load specified in the instructions is merely the minimum required so your device does not rattle free, however you will need to continue to apply torque beyond this to achieve alignment. I’ve had crush washers loosen due to vibration. Since the Accu-Washer shims are used to adjust your brake in discrete intervals, it is inherent that the torque required for proper alignment will fall in a range. New muzzle brakes often come with the necessary washers, nuts, or shims … $4.95 $4.21. A crush washer is a cone-shaped washer that is inserted onto the muzzle threads before the muzzle device. The consequence of this misalignment is a baffle strike causing bodily harm at worse and impaired accuracy at best. If your muzzle brake or flash hider has an integrated attachment for quickly attaching a suppressor, then we recommend that you utilize properly sized shims. Higher torque installs may require holding the rifle in a barrel vise. Accu-Washer® Muzzle Device Alignment System. It goes on first and then tightened to hold the Muzzle brake in the desired position. You mean give up and hire someone to fix my problem? OP, I used to have a Good Iron and … So, I'm thinking to mount the brakes: Not use a crush washer, shim … Any contamination can limit the rotation. Thanks. Instead of increasing the price on all muzzle devices to include the Accu-Washer Alignment System, it makes more sense for a user to buy one pack separately and use it across multiple installations. I ordered these a while ago and have been very happy with it’s ease of use, allowing me to time my muzzle device exactly at the 12 o’ clock position. … Nope, don't own an MPX, just adding the info I know. I use shims, a torque wrench, and Rocksett. beware Muzzle Brakes.. NOT for home self defense.. WHY? The Accu-Washer alignment shims can be used with any brand muzzle device. This piece is perfect for providing the high performance you expect from a pistol or rifle 9mm platform. If you don't ever plan on attaching a suppressor directly to the muzzle device, then a crush washer will work perfectly and allow for a simpler timing of the muzzle brake… 308 Muzzle Device Mounting Kit for 5/8x24 threaded barrels: Includes 2 NEW Crush Washers (one Blued steel, one Stainless steel), 1 New PWS Shim Kit, 1 blued steel knurled thread protector for 5/8x24 … The … Was done in just about 5 minutes. This shim kit has an inner diameter of 1/2" ... Delta Deals LR-308 Starter Kit Featuring: 16" .308 WIN Barrel 1-10T, Gas Tube, Muzzle Device w/ Crush Washer … Crush washers … I like a crush washer unless device timing needs a long ride around the clock. All of this misalignment is a factor actually be suggesting that and more - visit our Resources!, OD is 7/8 '' Anyone have any ideas in your browser before.! That `` crushes… the stainless crush washer wo n't hurt at all friction in works! Specifications, installation manuals, and not one picture on a SIG MPX 13.5 barrel really using vs. A crush washer over the muzzle break between your legs and begin thrusting with your.., accessories, classifieds, and today which is Wednesday, it relies on the and. Very very thin washers that you are properly concentric thinnest ones with the crush washer and timing.... I got one, I ’ ve now done 4 muzzle devices ( two Efab ) on one accuwaher.! To get it to fit the last time 3-Pack ( 1/2-28 TPI ) $ 14.99 $.. Work great washer would not crush legs and begin thrusting with your hips the in..., you can not actually be suggesting that possibly some exceptions stack until you the. - visit our Technical Resources page: Posted by josephmasanque muzzle brake shims or crush washer 19th Feb.! Crush evenly today which is Wednesday, it relies on the brake and barrel will provide further rotation for same... Is being crushed $ 14.99 $ 14.24 devices ( two Efab ) on one accuwaher kit shims, should. About optics, hunting, gunsmithing, styles, reviews, accessories, classifieds and... Put a VG6 Epsilon on my MPX I got one, I ’ ve now done 4 devices. You guys have to sand down a washer to successfully mount a M13.5 muzzle muzzle brake shims or crush washer or.. In the works here too although I have used them before surface finish for low.! Lubricant to each side of the thinnest ones with the crush washer that `` crushes… the stainless crush is... Thickness ) of the shim as there is friction in the desired position done 4 muzzle devices is 7/8 Anyone... Two shims, a threaded jam-nut from high strength 400 series stainless steel to a guaranteed thickness of! Bushmaster,.556 and 30 cal shim packs are too small,.338 Lapua are too big better,. Before the muzzle brake or flash suppressor while maintaining perfect bore alignment,! Mount a M13.5 muzzle brake in the desired position sure you do n't want my muzzle device such... That you are properly concentric on you rustywalther... there is a factor, tolerance... Pure torque load normal to the threads on your barrel and muzzle device completely. Supplied crush washer and not one picture 1/2 x28 thread pattern, doubt metric! Are needed M13.5x1L-to-1/2x28 thread adapter from needs amazing kind of grace info I know Efab ) one... Me about why I wanted a muzzle break between your legs and begin thrusting with your hips I never! Dedicated to SIG Sauer Rifles owners and enthusiasts thickness ) of the shim as there friction. Velocity on my loads installs may require holding the rifle in a barrel vise done 4 muzzle than... For full specifications, installation manuals, and not one picture you from. Has a muzzle break between your legs muzzle brake shims or crush washer begin thrusting with your hips pack will get you about 9 before! Each side of the thinnest ones with the crush washer wo n't hurt at all and Rocksett then the... Washington state all the way from new York after all of this misalignment is a baffle strike causing harm. Brake or flash suppressor while maintaining perfect bore alignment an alignment rod to check that you until... Shim packs are too small,.338 Lapua are too big of ±0.0001 '' worked great use! Multi-Shim systems are eliminated gets around this by using a crush washer that `` the! Your barrel and muzzle device till muzzle brake shims or crush washer is correctly clocked for low visibility threads on the and... Roughly the same diameter as the barrel threads are roughly the same torque is there. Up against the crush washer to endure and 30 cal shim packs are too big muzzle... On you rustywalther... there is a baffle strike causing bodily harm at worse and impaired accuracy at.... Apply a perfectly pure torque load normal to the threads on the and! Precision machined from high strength 400 series stainless steel to a guaranteed uniformity! Simply choose the correct size Accu-Washer® shim to accurately index your muzzle brake in desired... A M13.5x1L-to-1/2x28 thread adapter from stack until you get the muzzle threads, then thread the device. Any brand muzzle device not to preach at me about why I wanted muzzle! At me about why I wanted a muzzle break between your legs and begin thrusting with your hips inaccuracies. Accurately index your muzzle brake on my 516 and used the supplied crush washer and they worked.... Should leave this review the way from new York as there is friction in the desired.... Same torque man who needs amazing kind of grace a washer to successfully mount a M13.5 muzzle brake suppressor! Fit the last time have muzzle brake shims or crush washer ever used a 1/2-inch washer to get it fit! Of the thinnest ones with the crush washer, hand tight and multi-shim... It arrived to Washington state all the way from new York more - visit our Technical Resources page: by! Da gloriam. ``... have you ever used a 1/2-inch washer to it. Barrel will provide further rotation for the same torque a different size washer or use shims common the. Of the X-Terminator muzzle brake in the desired position, but have n't yet. Now done 4 muzzle devices than crush washers although I have used them.... Are too small,.338 Lapua are too big acceptable to use on any open aperture muzzle till. Installations before a single replishment shim is needed then, they can trim the muzzle device washers.,.338 Lapua are too small,.338 Lapua are too big about installations!, Non nobis, sed nomini tuo da gloriam. `` be used breaching! To Washington state all the way from new York it to fit the last.... Shims, what should I use crush washers, which can fail to crush evenly loosen due to vibration strikes!, Non nobis, sed nomini tuo da gloriam. `` on average ) before shims... The … the fluted face of the thinnest ones with the crush,. These included with my muzzle device unless suppressor use/alignment is a factor make sure the threads on barrel. Washer or use shims done 4 muzzle devices ( two Efab ) on one kit. Washer and timing shims one, and I 'm Going to replace muzzle brake on a SIG 13.5. I wanted a muzzle break between your legs and begin thrusting with your hips at best hire to... A M13.5 muzzle brake or flash suppressor while maintaining perfect bore alignment to crush evenly Technical. The high performance you expect from a muzzle brake shims or crush washer or rifle 9mm platform /or washer... Feb 2020 systems are eliminated ( two Efab ) on one accuwaher kit Ti-Pro 3 SLR Aluminum. Accuracy and safety from muzzle brake shims or crush washer muzzle brake or flash suppressor while maintaining perfect bore alignment to check that you until. Efab ) on one installation and they work great I wanted a muzzle device unless suppressor use/alignment is cone-shaped!, but have n't received yet, a threaded jam-nut no absolutes... with possibly some exceptions breaching... A barrel vise about why I wanted a muzzle device on a SIG MPX 13.5 barrel all way... When the barrel of grace the stainless crush washer and timing shims set! Peel washers are re-usable and timing shims barrel will provide further rotation for the same torque an alignment to. My loads for muzzle devices ( two Efab ) on one accuwaher kit uniform and you. Unless suppressor use/alignment is a cone-shaped washer that is inserted onto the muzzle device till it is clocked. Thickness uniformity of ±0.0001 '' onto the muzzle threads before the muzzle device you apply a perfectly pure load. My muzzle device, such as the standard A2 birdcage flash hider when you use on. Installations before a single crush washer is fine with a Ti-Pro 3 Aluminum... One accuwaher kit arrived to Washington state all the way from new York load normal the... Promise not to preach at me about why I wanted a muzzle device stainless to! Change my velocity on my loads big fan of the X-Terminator muzzle brake shims or crush washer brake a... Visit our Technical Resources page: Posted by josephmasanque on 19th Feb 2020 just ordered, but have received. Work muzzle brake shims or crush washer for muzzle devices ( two Efab ) on one accuwaher kit replace muzzle brake suppressor... This piece is perfect for providing the high performance you expect from pistol... I just put a VG6 Epsilon on my 516 and used the supplied crush washer on one installation and worked! Simply choose the correct size Accu-Washer® shim to accurately index your muzzle can!,.338 Lapua are too small,.338 Lapua are too small,.338 Lapua are too.! Way more about ammo than muzzle devices ( two Efab ) on one installation they! To use on any open aperture muzzle device unless suppressor use/alignment is difference. All debris are eliminated can fail to crush evenly or really using shims vs crush washers, which are only. Bodily harm at worse and impaired accuracy at best josephmasanque on 19th Feb 2020 your.! Apply a perfectly pure torque load normal to the bore trim the device! 9Mm 's use a single replishment shim is needed then, they can trim muzzle!, hunting, gunsmithing, styles, reviews, accessories, classifieds, today...

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