ZCI 3/4 Cylinder Aluminum (Type II)

These ZCI aluminum cylinders are lightweight and durable, they have a hard anodized coating and smooth bore for good wear resistance of the O-ring and cylinder.

Specifications:
Material: Anodized Aluminum
Style: Type II
Bore: 23.97 mm (.944 in)
Vent distance from front: 52.16 mm (2.055 in)
Recommended use: ~229mm(min)-430mm(max) barrels and/or use with heavier rounds (heavier rounds generally need larger cylinders volumes)