This “forward” component of the Lower Receiver in the Windham Weaponry Multi-Caliber System slides onto and locks to the MCS Lower. With this Magazine Well, you’ll be able to utilize 7.62x39mm Caliber AK type magazines of various capacities. The Mag Well is CNC machined from 7075 T6 aluminum forgings, then bead blasted and final finished in Hardcoat Black Anodize. Made in the USA.
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