Pistol Stabilizing Brace, Stabilizing Fin

Presma Stabilizing Fin™ for AR Pistols.    SKU: AAST18 This high-strength polymer product fits all pistols equipped with a standard AR pistol buffer tube (1.25" in diameter), for a secure, worry-free fit. The Stabilizing Fin™ is a lightweight, clamp-on, ergonomic, AR pistol enhancement and acts as a forearm buttress. MSRP $19.99 This Stabilizing Fin incorporates a flexible stabilizing area which rests against the inside of the forearm when in the firing position. If desired, a standard sling may be wrapped around the Fin and forearm, further stabilizing the pistol to the forearm in both horizontal and vertical planes.Material: High Strength Glass Reinforced Polymer.Package: with screw and Allen wrench.Does not fit adjustable tubes (Mil-Spec/Commercial) or A2 rifle tubes. U.S. Patent D897,480