Purchase the Aero Precision AR-15/M4 Carbine Receiver Extension / Buffer Kit here!

This Aero Precision AR-15 / M4 Carbine Receiver Extension / Buffer Assembly is one of our most popular buffer kits. This kit uses a true mil-spec 7075-T6 aluminum receiver extension (buffer tube) with drain hole and 6 positions of adjustment. The receiver extension is also type 3 hard anodized for a durable finish and has dry film lube applied to the inside diameter of the tube. The kit also includes a chome silicon buffer spring for longer service life. The three ounce carbine buffer is weighted with three separate counter weights (the separate, sliding counter weights are what prevent bolt-bounce). It also includes a mil-spec end plate and lock / castle nut.

Purchase this Aero Buffer Kits with confidence knowing that it is American made with a lifetime warranty and backed by AR15Discounts.com satisfaction guarantee.

  • Six position 7075-T6 aluminum buffer tube
  • Three ounce carbine buffer
  • Buffer spring
  • End plate and lock nut
  • 100% American made!
  • Ready to install


About Aero Precision

Aero Precision is a premium AR-15 and parts manufacturer located in aerospace manufacturing hub of the Puget Sound. Years of expertise in building precision aircraft parts now allows Aero to be a leader in the small arms industry.

Take a look at our other AR-15 Parts here!

Here are links to some of the other deals we're running this weekend:

Aero Precision AR-15 Assembled Upper Receiver - $89.95

Aero Precision AR-15/M4 Carbine Receiver Extension / Buffer Kit - $42.95

Dirty Bird 2-Stage Trigger Group - From $69.95

NBS A2 Stock Kit - $49.95

Anderson Mil-Spec Carbine Receiver Extension / Buffer Kit - $29.95

Omega AR-15 Lower Build Kit - $64.95

NBS AR-15 .223/5.56 A2 Style Mil-Spec Buffer / Receiver Extension Kit - $29.95

NBS Lower Parts Kit For Glock 17 - $29.95

RISE Armament Rave 9mm PCC Trigger with Anti-Walk Pins - From $99.95

Fiocchi 9AP 9mm 115 Grain FMJ Handgun Ammo – 1000 Rounds - $239.95

Winchester W223150 USA .223 Ammo 55 Grain FMJ USA White Box Rifle Ammo – 600 Rounds - $269.95

We've got tons of other Daily Deals here!

Have a great weekend!