B&T USW-A1 9mm 4.3″ 17+1 | Aimpoint ACRO

The B&T USW-A1 is a compact semi-automatic pistol chambered in 9mm with a 4.3″ barrel and a factory-mounted Aimpoint ACRO red dot. Its configuration pairs a threaded barrel and a Picatinny-railed dustcover with polymer grips for a modern, duty-oriented platform. Recommended optics for users who prefer alternatives under $1,000 include compact 1x red dots such as the Holosun 507C. Common real-world applications include range training and practical/competition shooting.

Product Specifications

• The caliber is 9mm.
• The barrel length measures 4.3″.
• The capacity is listed as 17Rd (17+1).
• The action is Semi Auto.
• The finish is Black.
• The factory sighting system includes an Aimpoint ACRO Red Dot.
• The package includes 1 17 rd. magazine.
• The grip material is specified as B&T with Polymer Grips.
• The pistol features a threaded barrel and a Picatinny railed dustcover as additional features.
• The ATF manufacturer is listed as B&T/B&T USA.
• The ATF model is USW-A1.
• The NFA thread pattern is listed as 1/2×28.
• The overall length is listed as 9.9″.
• The weight is listed as 6.65 (unit not specified in source data).
• The UPC is 840225705737.

The USW-A1 brings a compact footprint together with a factory-mounted optics solution and features that support accessory integration. Its threaded barrel and railed dustcover make it adaptable for users who plan to add muzzle devices or accessory lights, while the Aimpoint ACRO provides a repeatable aiming reference out of the box. This configuration suits shooters focused on precision with compact platforms and those who prioritize modularity and sight-mounted consistency.