The PTS EPM1-S AEG magazine is made with the same technology as their EPM1, is a 20R length short M4 magazine that holds an incredible 170 round bb capacity and offers the same reliability that all PTS magazines have long been famous for. the EPM1-S features the new and improved enhanced follower already build in for a much better  feeding performance that also reduces failures with most speedloaders the EPM1 had in its first generation using the old follower.

PTS 170rds Enhanced Short Magazine (EPM1-S) for AEG
Polymer Construction
170 Rounds Laoding Capacity Magazine
Best accompanied with Plastic Bullet Loading Too or Speed Loader
Suitable for 6mm Plastic Bullet only
No more Plastic Bullet shaking which essential for intrusion during airsoft combat situation
Polymer Magazine Base (with Angled Surface and Dot Matrix)
Orange mag level indicator
High efficiency compression spring
Low friction internal shell
Unique magazine mag well guide that reduce snagging
EP dot pattern texture for better grip
New polymer baseplate with angled surface and dot matrix
Suitable For Marui, KWA, G&P, ARES, Krytac, Umarex (VFC) M4 AEG/ PTS PDR, ERG, Masada/ Amoeba AM Varients