Allen Engineering Mk12 SPR collar and adapter

$129.99 $139.95

Product Type: Upper Parts

Product Description

Perfect replacement for Ops Inc. #12, fits AES-5.  This is for the Mk12 clone build, as well any other great rifle build. 


Ron Allen builds these one by one by hand.  He was the engineer that created the Ops Inc. collar and suppressor.  Well worth the money for any precision 5.56 mm rifle build.

Included is the complete kit:  Collar, flash hider and thread protector.