Smith & Wesson M&P 15-22 Pistol .22 LR — SBA3 Brace

The Smith & Wesson M&P 15-22 pistol is a rimfire, carbine-style training and recreational platform built around the popular M&P design. It uses .22 LR ammunition and is equipped with an M&P handguard featuring Magpul M-LOK slots for accessory mounting. The pistol includes an SB Tactical SBA3 adjustable arm brace and a threaded carbon-steel barrel with a 1/2×28 thread pattern. A full-length Picatinny-style rail provides a convenient mounting surface for optics and accessories.

Key Specifications

• The caliber is .22 LR.
• The action is Semi-Auto (blowback).
• The handguard uses the Magpul M-LOK interface.
• The pistol includes an SB Tactical SBA3 adjustable arm brace.
• The barrel is made of carbon steel and features a 1/2×28 thread pattern.
• Includes 1 × 25‑round removable magazine.
• The receiver material is polymer.
• The finish is listed as black/matte.
• The listed weight is 53.6 oz.
• A full-length Picatinny-style rail provides optics and accessory mounting.

Built for economical range time, marksmanship practice, and informal competition, the M&P 15-22 pistol brings AR-style ergonomics and accessory compatibility to a rimfire platform. Its M-LOK handguard and Picatinny rail make it straightforward to set up for optics or other range-oriented accessories, while the SBA3 arm brace improves handling for a variety of shooting positions. This configuration is well suited to shooters seeking a low‑recoil trainer that mirrors centerfire ergonomics without sacrificing accessory flexibility.