PTS Enhanced Polymer Compact Stock (EPS-C) - Black Hi-Capa and very light

and very light

Partial blowback functionality with its Co2 operation

Watch some Youtube videos on how to put it in yourself

Fits all crane stocks for the M4 and a bunch of other guns

PTS Enhanced Polymer Compact Stock (EPS-C) - Black Hi-Capa and very lightPTS Enhanced Polymer M4 Compact Stock in black color. EPS C model airsoft rear stock. This is the next generation of polymer stocks from PTS. The rear stock is manufactured from authentic Dupont Zytel polymer for superior wear and damage resistance. The stock does not have an area to install a battery. To use a battery, you must use your pre existing inner buffer tube area, if that can even accommodate your battery (a very thin LiPo stick type). This