AR9 Buffer Kit


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AR9 Buffer Kit

Your choice of QD, Ambi-Loop, or Standard Endplate

The Arm or Ally AR9 Buffer Kit includes a Mil-Spec 7075-T6 aluminum 6-position carbine buffer tube, AR9 5.5oz buffer, buffer spring, lock nut, and your choice of endplate. Excellent machining, flawless fit, finish, and function.

See our entire selection of AR15 Buffer Kits here.

The AR9 Buffer Kit Includes

  • Buffer Tube, 7075-T6 6 Position, Hard Coat Anodized
  • 9mm Buffer—5.5 ounces
  • Castle Nut, Phosphate
  • Endplate, Select Type, Phosphate
  • Buffer Spring

What is the Arm or Ally Brand?

Our "Arm or Ally" branded products are manufactured in the same facilities and to the same standards as many well-known, high-end AR brands.  Our promise to you is a high-quality product at a more affordable price. 100% American made products, backed by the same defect-free warranty as every other product we offer.

SKU AOA100245C | AOA100246C | AOA100247C
Manufacturer Leading U.S. Manufacturer
100% American Made Yes
Platform AR15
Type Pistol; 5.5oz
Compatability Works with standard Milspec AR15 components
Weight 9.8oz

Arm or Ally is a stocking dealer for all Faxon Firearms, Ballistic Advantage, HOLOSUN, Toolcraft, Elftmann Tactical, Timney, CMC Triggers, HIPERFIRE and named the #1 Overall E-Commerce Dealer for Aero Precision Products in 2020!  See our growing inventory of AR Parts, and Reloading Components.

Weight 12 oz
Dimensions 11 × 3.5 × 1.5 in

Arm or Ally

Part Type

Lower Receiver Parts



Buffer Weight


Endplate Style

Standard, Quick-Detach, Ambi-Loop

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