Anderson

Compatible with .223 & .308 .750 ID Dia - CNC machined from cold rolled steel - Nitrite finish - Designed Manufactured Tested and Assembled in the U.S.A - Gas block is fully adjustable via screw with detent system - 20 points of adjustment from gas port closed to fully open - Simple one hand adjustment from front of rifle - Gas block in closed position allows for single shot operation-bolt remains in battery