This PWS shim kit is a replacement for the peel washer and is used for
mounting muzzle brakes and flash suppressors. New muzzle brakes normally
supplied with the necessary washers, nuts, or shims; however sometimes
replacement washers are needed if one is damaged or if installing a
muzzle device on a different gun. While Peel washers require you to heat
them and then peel off separate layers of the washer to get to the
desire thickness, a Shim Kit is much simpler. There is no heating or
peeling of layers needed. Just install the necessary combination of
shims to get the precise alignment you need. Each shim set ships with
QTY 1 of Shim 1 (largest), QTY 8 of Shim 2 (medium), and QTY 1 of Shim 3
(smallest). The large shim can be used to give the installer one half
of a rotation or as a spacer for barrels that do not have relief cuts
behind the threads. Shim 2 is used in varying quantities to achieve the
proper alignment of your muzzle device. This shim gives the installer
approximately 45 degrees of rotation. If needed, Shim 3 can be used
where smaller degrees of rotation are needed for proper alignment.
