AR-15 replacement gas block and quad rail combination. Replaces standard
gas block and front sight and adds four picatinny rails to attach
flashlights, lasers, and other accessories.
Specifications and Features:
Precision machined from aircraft aluminum.
Rail provides regular height gas-block to attach a front sight.
Weight: 2.7 ounces
Length: 1.9 inches
Width: 1.6 inches
Height: 1.7 inches
Inside Diameter: .750 inches