Vltor Set Screw .750 Bore Blk

Built to the tightest tolerances, the VLTOR low profile, set screw gas blocks are small enough to fit inside most rail systems. These gas blocks were designed to be used with a rail system/handguard that is mounted over the entire gas system.

Features :

• 17-4 PH Stainless Steel
• Anti-Reflection/Anti-Glare
• ".750"Diameter"