Built to the tightest tolerances" the VLTOR low profile" clamp on 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
.625" Diameter
Features:
17-4 PH Stainless Steel
Anti-Reflection/Anti-Glare
.625" Diameter