A complete cylinder set for the ASW338LM airsoft sniper rifle (Ref. 17138), it consist of a stainless steel cylinder, brass cylinder head, piston, M150 spring and spring-guide, all assembled, ready as a drop-in installation. With this upgrade the ASW338LM will have a muzzle velocity around 150 m/s or 492 fps.

IMPORTANT when upgrading to this cylinder set, the zero trigger assembly (Ref. 17219) must be installed as well.

Cylinder set, M150, ASW338LM Sniper

SKU: 17249
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