Alpha Gas Shotshell for Tanaka / PPS M870 Pump Action Shotgun ( Black / Red ) Major Color:Red sometimes still have to modify

sometimes still have to modify the other components to achieve the best performance

We improve the surface of both piston and cylinder's inner wall to make it smoother and less resistance

WE G Model 17 GBBP Series Explosion Parts #G-69

Compatibility: Compatible with TM/WE/AW Hi-Capa GBB Pistol Series

it never wears out

Alpha Gas Shotshell for Tanaka / PPS M870 Pump Action Shotgun ( Black / Red ) Major Color:Red sometimes still have to modifyAlpha Gas Shotshell for Tanaka PPS M870 Pump Action Shotgun ( Black Red ) Gas & CO2 Compatibility Material Stainless Steel & AL 6061 Compatibility: Shotshell Type Pump Action Shotgun (Tanaka PPS)