How quickly can YOU reload? Are you fast enough to win a stage? Probably not. Reloads slow you down and can break your rhythm, so you should be minimizing the number of reloads you have to make on any stage. The Odin Works Pistol Magazine Base is here to help! Machined from high-strength 6061-T6 aluminum and perfectly designed to add five extra rounds of 9mm ammunition to your magazines while still fitting perfectly well within the 140mm gauge limits of USPSA competition.