Comes with a standard type upper frame and normal lower frame in M&P 15 marking.
Suitable for Tokyo Marui / TM Based M16 / M4A1 AEG Series.
Fit M4/M16 Used Ver 2 Gear Box.

Package includes:
1 X Metal Receiver Set
1 X Bolt Catch
1 X Enhanced Selecter Lever Set
1 X Charging Handle
1 X Dust Cover Set
1 X Bolt Cover
1 X Receiver Pin Set