This is the kit you need for timing the installation of your muzzle device. Don't risk misalignment by using a crush washer.
5.56 mm application with 1/2-28 threads. Can also be used to level really small tables, clean under your fingernails, or substitute for coins in really stupid vending machines.
7.62 mm application with 5/8-24 threads. Can also be used as an incredibly lethal micro frisbee, or a blade for cutting pizza bagel bites.
.338 LM applications with Metric 18mm and also 3/4" threads. Can also be used as cheap replacements for lost wedding rings, or as a costume monacle for halloween.
64154 64155 64152 64153 64173