Primary Weapons Systems Compensator, Black, 30Cal-Below, Precision Rifles 3PRC58C1 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.