Presma AR Pistol Stabilizing Fin™, Clamp-On Design, ID 1.25", Polymer



AR Pistol Stabilizer Fin™

Model:  AAST18

This is a clamp-on stabilizing fin™ which tightens securely onto the tube via screws and metal threaded inserts.

- No need for a stop-pin/screw
- Two strap holes (brace not included)

Choice of 3 buying options:


Fin + Tube
Fin, pistol buffer tube

Fin + Kit
Fin, pistol buffer tube, recoil spring, recoil buffer, castle nut, receiver end plate with ambi sling attachment points

Important info:

Fin is not suitable for Mil-Spec, Commercial or A2 Rifle buffer tubes. 
- Only fits with round buffer tubes that have an outer diameter of 1.25"

If in doubt that your tube will fit, we recommend purchasing with tube or full tube kit.  Guaranteed to fit.

US Patent D897,480

It is the buyer's responsibility to ensure they are compliant with laws and regulations before purchase. That includes local, state and federal laws.