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Magpul Pistol Brace

Magpul Pistol Brace

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Magpul Arm Stabilizing Brace

The Magpul BTR & BSL is an AR arm brace designed to improve the single-handed employment of large-format pistols. The BTR utilizes Magpul design and engineering to offer a stabilizing accessory with a robust feature set and trusted Magpul quality.
With classic Magpul aesthetics, they is compatible with Mil-Spec carbine receiver extensions and employs a simplified, durable, and easy to use adjustment mechanism. An integrated QD cup and M-LOK compatible slot provide ambidextrous sling mounting options and enable stabilizing sling tension to be applied, drastically increasing single-handed control of the firearm. With a straight-forward design and Magpul innovation, the BTR is a simple solution to improving your AR pistol.

Improves Single-Armed Use of Large-Format Pistols

  • Designed and intended for use as a stabilizing accessory for one-handed firing
  • M-LOK compatible slots for additional sling mounting options
  • Ambidextrous rear QD cup allows sling tension to be applied while firing with one hand to improve stability
  • Toolless, single-handed adjustment


  • High-strength polymer and metal construction
  • Compatible with Mil-Spec carbine receiver extensions.
  • Mil-spec carbine receiver extension equipped AR Pistols. Not compatible with proprietary, pistol, or commercial receiver extensions. All NFA, state and local rules and laws apply, where applicable.
  • This product is designed and intended to serve only as a forearm brace for one-handed firing of a pistol. It is not intended to be fired from the shoulder. Any redesign or reconfiguration of this product may render the attached firearm NFA controlled. The user is exclusively responsible for determining the correct application of state and federal law based on the unique configuration of each firearm.

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The distinction between inferior quality and premium AR 15 Arm Brace is undeniable. At MSP, we only offer AR 15 Accessories from the most trusted brands like Magpul Arm Brace. Buy with confidence that we stand behind the product we sell.