Whether you're at the range or humpin' the boonies, having plenty of ammo to feed your AR-15 "Retro" rifle is vital. With a few extra loaded Brownells 25-round Retro AR-15 magazines on hand, you won't have to "di-di mau" back for more. Externally, this straight-bodied steel mag is a carefully reproduced replica of the magazines Armalite assembled for their original AR-15 prototype rifles - ideal for your very early Retro Repro build. More good news: our 25-round Retro AR-15 mags are 100% up-to-date with reliable modern innards, and they will fit and function dependably in ANY modern AR-15 with a mil-spec lower, including our Retro lowers. We&rsqu Mfg: Brownells