Dr. Black Aluminum Type B Magazine Base For Tokyo Marui Hi Capa 5.1 GBB Airsoft (Grey) Power-(fps)_466 fps Allows the mounting of an

Allows the mounting of an M4 push-on tube and will accommodate most M4/M16 stocks currently produced

They have a superior tolerance and roundness of the inner surface compared to anything else on the market

Multi ported ear pieces allow you to hear what's happening around you

and top competitive shooters worldwide

One such highly regulated item is the silencer or suppressor

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