The BattleComp 2.1 is made from heat treated stainless steel bar stock with a black MELONITE finish, the BattleComp 2.1 fits all barrels with 1/2 x 28 RH standard threads. ALL BattleComp units are California Legal Compensators and have been since May of 2010.
Compatible with the NEW and OLD versions of the GemTech HALO and the AAC Omni INCLUDING THOSE MODELS UTILIZING THE “BFA” GROOVE FOR THE LOCK-UP.
Specifically designed for 5.56 NATO and .223 Rem ammunition.
Shim kit included for optimized concentricity. Professional installation by competent gunsmith using Rocksett required for those using sound suppressors.