Ice Magwell for STI/SV. Reloads Slick As Ice. A fast reload is essential to be competitive. The Ice Magwell is the fastest, easiest, most consistent magwell for IPSC competition. CNC machined to exact tolerances for a tight fit. 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. Aluminum. Weight 1.7 oz Black. Blue Red Silver