Raizen AEG Inner Barrel 6.05MM - 455MM pts sidewinder this piston works perfect with

this piston works perfect with 310 mm to 510 mm inner barrels

Able for ultimate user to optimise setting and maintain stability

and dominate the battlefield with precision and flair

It may have a condition that your pistol cannot feed the BB bullet due to the lightweight gas supply

Material: Chloroprene

Raizen AEG Inner Barrel 6.05MM - 455MM pts sidewinder this piston works perfect withRaizen barrels are made of precise stainless steel (SUS304) with a tapered muzzle end for better accuracy and FPS. Inner Diameter : 6. 05mm Torelance : + 0. 005mm Outer Diameter : 8. 55mm HOP window length : 6mm Soft fit for HOP rubber The window edges are cut at 45 degree to be gentle on the bucking. Excellent barrel to upgrade your airsoft weapon!