![]() ![]() 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. ![]() 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. Any contamination can limit the rotation. Why aren't these included with my muzzle device?įirst, make sure the threads on your barrel and muzzle device are completely clean and free of all debris. The consequence of this misalignment is a baffle strike causing bodily harm at worse and impaired accuracy at best. 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. This requires that the material is uniform and that you apply a perfectly pure torque load normal to the bore. More importantly, it relies on the principle that the washer will deform uniformly while it is being crushed. ![]() 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. 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. Note: The Accu-Washer Alignment System can be used with any brand muzzle device.Ĭrush washers are perfectly acceptable to use on any open aperture muzzle device, such as the standard A2 birdcage flash hider. Designed to fit 1/2-28 or 5/8-24 threaded barrels. One Accu-Washer System will align approximately nine brakes (on average) before replenishment shims are needed. All shims feature an oxide blasted non-reflective surface finish for low visibility. Precision machined from high strength 400 series stainless steel to a guaranteed thickness uniformity of ☐.0001". Includes 18 individually marked Accu-Washer™ shims (timing adjustable from 0-360 degrees in 20-deg increments) and easy to follow instructions. This minimizes the risk of baffle strikes, ensuring maximum accuracy and safety from your muzzle brake or suppressor. Since only one shim is required, the tolerance stackups and complexities associated with peel washers and other multi-shim systems are eliminated. Simply choose the correct size Accu-Washer® shim to accurately index your muzzle brake or flash suppressor while maintaining perfect bore alignment. ![]()
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