Magpul BDA Arm Brace - Black

Magpul BDA Arm Brace - Black

Take control of your large-format AR pistol with the Magpul BDA Arm Brace, a purpose-built stabilizing accessory engineered for single-handed operation. Designed with Magpul’s signature innovation and reliability, the BDA enhances firearm control, comfort, and sling integration—all in a rugged, no-nonsense package.

Whether you're running a Mil-Spec carbine, A5, or pistol receiver extension, the BDA adapts effortlessly thanks to its interchangeable clamp system. Its large lateral surface area provides solid forearm contact, while the ambidextrous rear QD cup allows for sling tension application—dramatically improving stability and control during one-handed firing. Built in the USA with high-strength polymer and corrosion-resistant metal fasteners, this brace is ready for duty in any environment.

Interchangeable Clamp System
Easily fits Mil-Spec carbine, A5, and pistol receiver extensions for broad compatibility.

Fixed, Non-Adjustable Design
Purpose-built for stabilizing AR pistols during single-handed use.

High-Strength Polymer Construction
Durable and lightweight with corrosion-resistant metal fasteners for long-term reliability.

Ambidextrous Rear QD Cup
Enables sling tension application from either side, boosting control and maneuverability.

Enhanced Forearm Contact Surface
Large lateral area improves stability and shooting comfort.

Made in the USA
Proudly manufactured with Magpul’s trusted quality and craftsmanship.

Specifications

• Platform Compatibility: AR15, M4
• Receiver Extension Fit: Mil-Spec carbine, A5, and cylindrical pistol extensions
• Extension Diameter Range: 1.175” – 1.25"
• Brace Type: Fixed-position stabilizing accessory
• Material: High-strength polymer with corrosion-resistant metal fasteners
• Mounting Options: Integrated ambidextrous rear QD sling cup
• Intended Use: One-handed firing stabilization
• Compliance: All ATF, NFA, state, and local laws apply