This device makes loading your 12 Ga RIA Arsmcor magazines much easier. Made from HIGH Strength plastic for durability and comes in multiple colors of your choice so you never have to worry about losing it. Mags are not included this is for 1 speed loader only. !!!!!SAVE YOUR FINGERS!!!!! TESTED AND WORKS FLAWLESSLY ON THE 5, 9, AND I9 RD MAGS! SAME DAY SHIPPING! Made 100% IN THE USA!