basically just a hi cap, but i i did have some cons with fitting it into my gun. the ASGI G4-A3 DMR.
The mag wouldnt stay into the magwell, so all i did was take out my handy dandy bench grinder and file away some of the metal in front of the feeding nozzle. now itll go in, but you might have better luck, it also didnt fit in my friends DBOY gun, weird eh? another con is the fact that this mag is really long, thus holding a lot of ammo, but if you use a bipod, it might get in the way of unfolding. my last con was that the trap door where bbs go in doesnt shut, it doesnt click into place like my g&g mag. strange. all in all its not a big deal, hence the 4 stars, but a bit of a hassle, id probably buy the g&g brand hi cap.
ASGI in general
my gun itself. :)
a bit too long.
trap door issues.