Buffer Tube

Metal buffer tube for M4A1 type blasters such as JM Gen.9 M4A1 and Jing Ji SLR.Does not fit the JM Gen.8 M4A1, XM316 and old gen shells.Has grooving at the end of the buffer tube for easier access to battery compartment or buttstock removal and attachment.Can be used with the Colonel Wasp 76 Dart bl..