AR Pistol Stabilizing Fin

(6 customer reviews)


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.

In stock

SKU: AAST18 Category: Tags: ,


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 Pending, Application Number 29691710

Additional information

Weight6 oz




6 reviews for AR Pistol Stabilizing Fin

  1. Daniel (verified owner)

    Very firm locking system.

  2. gleasonirish78 (verified owner)

    Excellent fits perfect,very tight,3cr tactical is great fast shipping!!!

  3. Aaron B. (verified owner)

    It’s ugly but it’s otherwise perfect.

  4. Jeremiah P. (verified owner)

    Solid product

  5. Tim G. (verified owner)

    Great product great price

  6. Daniel G. (verified owner)

    Fits perfect,looks good awesome product love it

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