EMG x Retro Arms CZ Billet CNC 8mm Ver.2 Gearbox Shell for M4 - Blue Motor Grips Uses AK style Ronin 47

Uses AK style Ronin 47 magazines

4v li-po or li-ion nun-chuck or small stick battery and lithium charger (optional)

There are rare versions of the AM-013 cap which comes as a ‘one-piece’ part - if this is the case

Heavy duty drag handle

For more anti-fog use

EMG x Retro Arms CZ Billet CNC 8mm Ver.2 Gearbox Shell for M4 - Blue Motor Grips Uses AK style Ronin 47Precision machined from a block of billet EN AW 7075 T651 aluminum Quick change spring guide system Durable anodized finish Reinforcement in key stress points to counter rapid wear from high performance parts Pre radiused cylinder windows helps evenly distribute impact force Deeper wire channels along base of gearbox EMG Logo engraved on side of gearbox Manufacturer: EMG x Retro Arms CZ Specifications: Compatibility: For Tokyo Marui, G&P, Matrix and