Description
OPS INC™ brake and collar kit for mounting an AEM5 (OPS INC 12th Model) on your MK12 barrel Included with the kit: OPS INC 1/2-28 brake with .22/5.56 caliber aperture. SHORT external thread extension can be used with either a crushwasher or spacer/shims. This is the MK12 “clone correct” version. Shim kit Spacer Your choice of SPR collar: Short Collar- Clone correct for the Mk12 Mod 0. Long Collar- Clone correct for the MK12 Mod 1, Mk12 Mod H, and NSW Recce.
