Zaffiri Precision Blowhole, Compensator, 9MM, Nitride Finish, Black, 1/2x28, For Glock 43/43X/48 ZP.COMP.43.BN Zaffiri Precision Blowhole compensator is the perfect aftermarket addition for flatter shooting on a sub compact build. The solid 17-4 stainless steel comp allows for not only gas redirection but less muzzle climb due to its weight. What does that mean for you?! Faster follow-up shots.