6mmProShop SI Licensed Sentinel M4 Airsoft AEG Rifle (Black / 11″ GRIDLOK LITE )
Aluminum alloy receiver with roll marks. Pre-installed aluminum free float GRIDLOK LITE M-LOK handguard with authentic markings. In-line MOSFET, 8mm bearing gearbox with quick-change spring guide fully compatible with most Version 2 gearbox upgrades.
6mmProShop SI Licensed Sentinel M4 Airsoft AEG Rifle (Black / 11″ GRIDLOK LITE )
Aluminum alloy receiver with roll marks. Pre-installed aluminum free float GRIDLOK LITE M-LOK handguard with authentic markings. In-line MOSFET, 8mm bearing gearbox with quick-change spring guide fully compatible with most Version 2 gearbox upgrades.