Primary Weapons Systems Precision Rifle Compensator, 1/2X28, .223 18-3PRC12A1 The PRC compensator" originally introduced for .30 only" was designed to reduce felt recoil as much as possible. Redesigned in 2018" now in a variety of caliber options" this compensator is very effective in reducing felt recoil" while being California compliant. The PRC design produces a low ground signature and overpressure to the shooter It also gives ultimate control for seeing impacts through your optic and stabilizes follow up shots.