New Glock Ice Magwell. The World's Fastest Magwell Is Finally Available for Your Race Glock. The Ice Magwell is the fastest, easiest, most consistent magwell for IPSC competition. And now it's available for Glock. It will help tame that recoil, but still reload slick as ice. When you beat up the insert, the magwell is untouched. Go ahead and pop in a new insert. It takes seconds and you will have it looking and functioning like a new magwell again. Black. Aluminum. 2.9 oz. Aluminum. Fits Small Frame Glocks 17, 17L, 34, 22, 35, and 31 only . WILL NOT FIT GEN 4!