The SBM4 Pistol Stabilizing Brace was designed to provide increased stability and improved accuracy while firing with one hand. The polymer construction firmly contours to your forearm and while the adjustable nylon stabilizing strap wraps around your arm reducing fatigue while firing one handed. FeaturesDesigned for firing one handedImproves accuracy and stabilityIncludes brace and strap. Requires a pistol buffer tube (sold separately).