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The Troy Industries SGASA4L00BT00 is a .750 Low-Profile Gas Block, ideally designed for rail systems that require to traverse the gas block. This versatile component can seamlessly fit all M4 carbines as well as M16A2, A3, & A4 rifles.
It boasts of a robust composition, being machined from hardened steel, and further enhanced with a black oxide finish for longevity and durability. Proudly made in the U.S.A, this gas block ensures you of top-notch quality and performance.