CENTURION ARMS CM4 ERG (RM4) LFP They fit inside most full

They fit inside most full stock battery compartments

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Ergonomic super-grip material on palm

Aluminum construction

Family Crafts Project Recommended for Kids 7 and Up

CENTURION ARMS CM4 ERG (RM4) LFP They fit inside most fullThe PTS Centurion Arms CM4 C4 10 ERG airsoft gun uses an ERG (Electric Recoil Gun) system that is based on the latest generation KWA AEG 3 system. The ERG simulates recoil via a proprietary Kinetic Feedback System. When used with the proprietary ERG magazine, that is switchable between 30 or 120 round capacity, it is capable of an electrical auto cut off when the last round is fired. If you are willing to forgo the cut off, the ERG can still use any