King Arms 25 Round Gas Magazine for MDT / M700 Series Airsoft Rifles

"Works well with the KJW M700

"ok, so after acquiring my kjw M700 I have determined the mag that came with the gun is pure junk. It does not have the gas capacity to move a bb out of the hopup chamber consistently. After 3 shots I was experiencing barrel jams or so I thought. This is probably because the bucking needed to be broken in. I knew I would be purchasing these mags for higher capacity usage in the field. I must say that after firing 3 full mags of bbs through these (on 1 gas fill!!) ...WHAT A DIFFERENCE!! At first I thought maybe the gun I got was made on Friday and had some issues (dont they all?). But now i am convinced it was the mag. This gun now lives up to the claims of 450+ FPS with .25gr bbs! !! I normally use .40gr bbs as a sniper and the gun shoots acceptably well with no tuning up to 120+ feet with that weight as well with these mags.The gun is pure stock except for the fluted barrel addition and the Nine Ball bucking. Tight bore is on the way. If you have an M700- these are a MUST HAVE. i was considering converting the gun to C02/HPA (and still am), but these mags have made such a difference in the way the gun shoots I may just stay with gas for a while.
One word of caution, don't try to speed cycle your M700 with these mags. The bb feed lip mechanism is fairly sensitive and you will either end up with a bolt jam or a double feed that will result in a bolt jam (bb gets caught between the bolt and the rear of the feed lip).

"they work with a KJW rifle. A bit tight compared to KJW mags.
They use a Traditional Knocker valve over the older Tanaka Design.

For those wanting to purchase these/HPA tapping. they use KJW/WE spec threading for the fill valve.


As far as Gas mags go. Had Poor experiences with older M4a1 Gas mags. These are superior quality wise.

For being half the cost of the Tanaka Extended mags i have no complaints. There pretty great mags.