The xp metal buffer tube can fit for v2 receivers of M4/hk416 gel blasters like BD556, LDT HK416, TTM, JM Gen9, SLR, SJ M4, FJS, ARP9 and airsoft with v2 receiver.
Super tough, super durable, good looking high-quality upgrades.
Color: red; black; blue ;tan. Material: CNC alloy Metal Product Weight: 150g Package Weight: 200g
Package Content: 1x Xpower Buffer Tube 1x Fixing Ring 1x Ring Gasket 1x Fixing Pole
