Avengers 40mm Airsoft Gas Grenade Shell (Model: 50rd Shower / Red Polished / 3 Pack)

"Overall, these are decent shells,

BUT the retention o-ring will not hold the BBS in, jamming my MGL occasionally. However, it works fine in single-shot launchers, and if placed down in a pouch, most of the BBS WILL FALL OUT. Even light shaking with it pointing down will also cause several BBs to fall out.