Allen Engineering Brake with Collar 5.56mm
Allen Engineering
$150.00
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 crush
washer 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.