b'PSR Paladin Muzzle Brake (Included) PSR 7MSRP: $144.95LENGTH.8.9, 5.3 addedWEIGHT.15.8oz DB REDUCT.31.1dB 7.62mmDIAMETER1.5 MATERIAL.H900 & Cerakoted 17-4SS & 718 InconelCALIBER.7.62mm MSRP$1,295RATED FORFull Autostructure that forces alignment to be as exceptional as a brand new mounting interface regardless of handling abuse common to the sniper field environment. These feature the patent pending pressure reduction front cap with integrated flash suppression. Blow back is lesser than previous RSTA and SPR suppressors and are ear safe on gas operated firearms, making them perfect for bolt action or semi-automatic.'