Strike Collar Adjustable Gas Block, Si Ar-cagb Collar Adj Gas Block

Strike's collar adjustable gas block uses 5 pre-sized settings and 1 closed setting, easily return to the exact same level of gas flow for your direct impingement system.The gas block easily switches position by rotating the collar by hand or while its inside a hand guard with a bullet or blade.

Finish: Black
Model: Collar Adjustable Gas Block
Size: One Size
Material: Steel