Designed to be used with a rail system or handguard that is mounted over the entire gas system, the Vltor low profile clamp on gas block is built to the tightest tolerances and is a great choice for your next modern sporting rifle build or upgrade. Simply slide it over the barrel and clamp in place using the two cross-screws.

Specifications and Features:
17-4 PH stainless steel
Overall width 0.8"
Bottom thickness 0.6"
Weight 1.6 oz
Matte black oxide

Fits:
0.625" diameter (pencil) AR-15 barrel