SRS Piston Cup with Air Brake tac 41 and may not be exempt

and may not be exempt of small visual defects

CNC machining muzzle protector (SRS409) for 14 mm CCW thread

and realistic visual breakup

Instead of the assembled bracket

This nub works best with the Stock SSG-10 Autobot bucking and buckings with a large patch like our SR-hop Bucking or Modify X-Range Bucking etc

SRS Piston Cup with Air Brake tac 41 and may not be exemptAn airbrake is cutting the air flow before the piston hits the bottom of the cylinder, creating an air damper that will reduce the impact noise, possibly at the cost of muzzle energy reduction. This product is coming 3 brakes of different length, the longer the brake, the higher the noise reduction. Compatible with: original SRS piston (SBA BPS 13) original TAC 41 piston (SBA BPS 30) variable mass piston for SRS (SBA BPS 18) variable mass piston for