Magpul BTR Arm Brace Black (Mil-Spec)

Magpul BTR stabilizing arm brace designed for AR-15 platforms with mil-spec carbine receiver extensions. Features a durable, toolless adjustment system for quick positioning, integrated QD sling cup, and M-LOK compatible slot for ambidextrous sling mounting. Built with Magpul’s proven design for improved control and stability during one-handed use.