By installing this PDI precision cylinder set, you would be effectively increasing your AW/MS338 performance level whilst maintaining a smooth action when cocking your rifle.
Precision Palsonite Cylinder.
Tapered Cylinder Head +.
Spring Guide for HD Piston.
Please use a fat spring as used on SPR, SS, VSR series (Spring Not Included).
Please note that all aftermarket products may require professional installation. For increased compatibility, please use consistent aftermarket branded parts, or consult your local gunsmith.