ALG Defense Barrel Nut Shim Set

USGI and many commercial barrel nuts require some time of timing in order to either get the gas tube into the upper receiver or line up a set of screws. In many instances, the ideal torque spec of 40-60ft LBS is much higher than is desired for an accurate weapon. One of the few ways to control the torque value of a barrel nut is with shims.

These shims are a great way for the consumer to set the exact torque spec their barrel nut.