The HAO 416 Gas block and piston is standard equiped in the HAO PTW CAG416 kit.
We hava cut the sling loops for you for easy installation of slimline handguard like SMR
## The Gas Block is for Airsoft use only. DO NOT apply on firearms
*Marui 416 AEG competiable (The screw under the stock Marui gasblock block is required)
*WE 416GBB competiable (Spring pins fit but the screw don't)