Cylinder Works Big Bore Cylinder Kit YCRF_base_layers a laser cut eyeport and

a laser cut eyeport and mouth vent to eliminate seams against the face

The sleek design

you’re giving it an upgrade that you’ll benefit from for years and years

Nucleon Flex Pro knee armor and Bio-Flex hip armor for effective protection against impacts

at temperatures down to -30°C

Cylinder Works Big Bore Cylinder Kit YCRF_base_layers a laser cut eyeport andFEATURES Super Convenient, just purchase and install. Virtually identical in appearance to stock. Comes in standard and big bore sizes. Nickel Silicon Carbide plated for long life. Honed to exact size for easy piston installation Cylinders are direct bolt on no machining required unless noted. Big Bore Kit includes Cylinder, Gaskets, Piston, Rings, Pin, and Clips