Backdraft Phoenix M4 HPA Engine + FCU ear pro It fits perfectly in an

It fits perfectly in an M4 magazine pouch and has 460 round capacity

then release the charging handle

Spring loaded steel talons can be deployed onto loose dirt and vegetation for more traction

we were able to increase the usable internal cavity thus making it even easier to insert Lithium Polymer or Lithium Ion batteries in the cheek tubes and/or in the vertical cavity

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Backdraft Phoenix M4 HPA Engine + FCU ear pro It fits perfectly in anThe Backdraft Phoenix HPA Engine is shaking up the industry! As the only price conscious full feature HPA engine on the market, that is to be expected. Boasting 40+ rps, a psi range of 40 to 130, on the fly fire mode adjustment, all in a low maintenance, high reliability, high performance hpa engine, this HPA engine is absolutely the best bang bang for your buck! Contents: ENGINE (WITH NEW ADJUSTABLE SOLENOID) MODULAR FCU M4 TRIGGER BOARD (M4 Style