PTS EPM Tan 150rd AEG m4 midcap Hop-Up Chamber Full Metal Receiver and Barrel

Full Metal Receiver and Barrel Assembly

SLING MOUNTS COMPATIBLE WITH MOST RECEIVER-MOUNT SLING ATTACHMENTS

The design allows the solenoid to become an integral part of the system and not simply a a switch to control gas flow

this is probably your best option

PTS EPM Tan 150rd AEG m4 midcap Hop-Up Chamber Full Metal Receiver and BarrelThe PTS Enhanced Polymer Magazine (EPM) is a new take on the mid capacity polymer mags for airsoft AEG's. Constructed from Dupont Zytel Polymer, this magazine is remarkably rugged and features a solid weight. The recessed panels allow for a better grip and the unique mag well guides help reduce the possibility of snagging when being drawn or reinserted into pouches. The bullet window features realistic looking dummy 5. 56 rounds and even has a visual