Piston

The ORIGINAL Weight Adjustable piston is back, with an improved design and material tweaks.

The SRS W.A.S.P package features:

1 x SRS W.A.S.P Base Piston body
1 x Rear Sear
1 x Rear Guide Ring
1 x Front securing Ring
1 x Plastic Sleeve (Light) Read more

The ORIGINAL Weight Adjustable piston is back, with an improved design and material tweaks.

The Tac-41 W.A.S.P package features:

1 x Tac-41 W.A.S.P Base Piston body
1 x Rear Sear
1 x Rear Guide Ring
1 x Front Guide Ring
1 x Plastic Sleeve (Light Read more