SRS Piston Cup with Air Brake tac 41 The lightweight design adds concealment

The lightweight design adds concealment without restricting flow or flexibility

or Leaf Suit to build a system that adapts to terrain

making gear customization effortless

Lightweight profile maintains full range of motion

SRS Piston Cup with Air Brake tac 41 The lightweight design adds concealmentAn 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