Angstadt Arms

The 0940 is a dedicated GLOCK magazine fed AR-15 lower and upper receiver set configurable in 9mm .40 S&W and .357 SIG. It features last round bolt hold open. - Last round bolt hold open on an empty magazine - Flared magwell for faster reloads - Lower receiver accepts 9mm .40 S&W and .357 SIG GLOCK magazines - Integrated oversized trigger guard - 7075-T6 billet aluminum lower receiver with a matte black hard-coat anodized finish - 7075-T6 billet aluminum slick side upper receiver with appropriately sized ejection port and no forward assist or dust cover - Threaded bolt catch screw - For use with a 9mm bolt carrier assembly and a standard AR-15 hammer - Upper weight: 6.5 oz - Lower weight: 10 oz - Patent pending - Accepts all aftermarket Glock 9mm double stack magazines. We recommend using factory Glock magazines