Ar-15/M16 Super Gas Block Low Profile - Sgb Geissele Super Gas Block, Black
Ar-15/M16 Super Gas Block Low Profile - Sgb Geissele Super Gas Block, Black, Minimal-bulk gas block fits easily under most free-float rails. All-steel construction provides plenty of strength to resist erosion from hot gas. Precisely machined for a close slip fit on standard .750" OD barrels. Includes mounting hardware and instructions. Gunsmith installation recommended. Mfg: Geissele Automatics SPECS: Black Nitride finish (SS Blk). 1" (2.5cm) long, 1.4" (3.6cm) high. Fits barrels .750" O.D. at gas port.