Magpul BSL Arm Brace, Mil-Spec Black

Magpul BSL Arm Brace: Engineered Control for AR Pistols

The Magpul BSL represents a straightforward approach to improving the single-handed employment of large-format pistols. Built on Magpul's reputation for thoughtful design and engineering, this arm brace delivers the stabilizing features serious shooters demand.

Key Features

• Mil-Spec Compatibility: Works seamlessly with standard Mil-Spec carbine receiver extensions
• Integrated QD Cup: Ambidextrous quick-detach mounting point for sling attachment
• M-LOK Slots: Two M-LOK compatible slots provide versatile accessory mounting options
• Simplified Adjustment: Easy-to-use, durable adjustment mechanism for a secure fit
• Made in the USA: Built to Magpul's quality standards

Design and Function

The BSL employs a clean, minimalist aesthetic that complements modern AR pistol builds. Its primary purpose is straightforward: enable stabilizing sling tension that dramatically increases single-handed control of your firearm. The integrated QD cup and M-LOK slots work together to give you flexible sling mounting options, whether you prefer ambidextrous setup or a specific configuration.

The adjustment mechanism is intuitive and durable—no complicated procedures, just reliable performance when you need it.

The Bottom Line

If you're running an AR pistol and want a proven way to improve control and accuracy, the Magpul BSL delivers Magpul innovation without unnecessary complexity. It's a simple solution that works.

Note: Tube not included. Requires Mil-Spec carbine receiver extension.