HK UMP - 120rd mid-cap MAG - Competition Series AIRSOFT RIFLE This VFC produced GBB also

This VFC produced GBB also features top picatinny rail

Want to change up what magazines you run

18:1 steel gears

Receiver: Aluminum Alloy

HK G36C HI-CAP MAG-400 RDS-6MM-BLACK

HK UMP - 120rd mid-cap MAG - Competition Series AIRSOFT RIFLE This VFC produced GBB alsoIf you're not planning on bringing extra mags to the big game next weekend, you're not planning on winning. One magazine just won't make the grade. Get high marks on your gaming report card with a few extra 120 round mid capacity magazines for your HK UMP airsoft AEG. Most players say four to five mid cap magazines are the optimal amount to provide you with enough ammo to last the whole game. There's not much more frustrating than having to head back