Compatible with a range of calibers, including 9mm, .40 S&W, .357 SIG, .45 ACP and 10mm, this adapter provides versatility for multiple setups
Precision-machined from 7075-T6 billet aluminum and finished with a matte black hard-coat anodize, this component offers durability and a sleek appearance
The slick side upper receiver features a pistol-caliber-sized ejection port and omits the forward assist and dust cover door for a streamlined design
Fully compatible with any Mil-Spec lower receiver, this upper offers flexibility for custom AR builds

Features

The Angstadt Arms dedicated AR-15 pistol caliber upper receiver is designed for versatility, compatible with calibers including 9mm, .40 S&W, .357 Sig, .45 ACP and 10mm. This slick side upper receiver features a streamlined design with a pistol caliber-sized ejection port, eliminating the need for a forward assist or dust cover door. Engineered for simplicity and efficiency, it's perfect for pistol caliber builds where lightweight performance and ease of use are essential.

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WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).