Aluminum .750 Height Profile Gas Block + Roll Pin for .223/5.56

Specification:
Military industry Quality Standards
Shaft material: imported T7075, aerospace aluminum alloy.
Surface treatment: HA III Military grade hard anodized.
Precision CNC digital machine tools. Professional precision quality guarantee.

Description:
100% Satisfactory Guarantee
21mm Top Rail allow installation of scope, sight, torch, laser
Easy to hook up
Constructed of full metal material, extra strong shock
absorption ability
Ring size:19MM
Weight: 2.7oz