This gas magazine warmer by Ice-Cream Airsoft is designed primarily for GBB pistols but also able to hold M4, MP5 and similar size GBBR magazines as well.
The temperature setting of the warmer is programmable and can reach up to 70*C maximum, normally take 10 to 15 minutes to bring the magazines to reach 40*C, room temperature depending. The warmer comes with 5.5 x 2.1mm DC jack battery connector and require minimum 11.1v lithium battery to operate.
Capacity : 6 x Hicapa standard magazines
2 x Hicapa long and 4 x Hicapa Std magazines
11 x 1911 magazines
7 x Glock magazines
6 x CZ Shadow magazines
6 x Sig M17 magazines