M4 Mil-Spec Buffer Tube Assembly
$43.99 at Brownells
In stock Sale
Best price
$43.99at Kentucky Gun Co
Out of stock checked Oct 21, 2026
In stock now instead
- M4 Mil-Spec Buffer Tube Assembly $43.99at Brownells
- Mk Mk2 Receiver Extension $44.99at GunMag Warehouse
- AR-15 A1 Receiver Extension $40.49at Ammunition Depot
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Kentucky Gun Co Best price | $43.99checked Oct 21, 2026 | Out of stock | Buy at Kentucky Gun Co | |
| Brownells | $48.99checked Oct 21, 2026 | Out of stock | Buy at Brownells | |
| OpticsPlanet | $48.99Salechecked Oct 21, 2026 | Out of stock | Buy at OpticsPlanet | |
| MidwayUSA | $48.99checked Oct 21, 2026 | Out of stock | Buy at MidwayUSA |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Similar buffer parts in stock
This part is out of stock at every store we track. These similar buffer parts are in stock, with today's prices.
Mk Mk2 Receiver Extension
$44.99 at GunMag Warehouse · 8 stores
In stock
AR-15 A1 Receiver Extension
$40.49 at Ammunition Depot · 5 stores
In stock
Battle Arms AR-15 Mil-Spec Buffer Tube 6 Position
$38.99 at Kentucky Gun Co · 4 stores
In stock
Receiver Extension Buffer Tube, 6-Position Mil-Spec
$48.99 at OpticsPlanet · 2 stores
In stock Sale
Tube Brn AR-15 Rifle Receiver Extension
$49.18 at Brownells
In stock Sale
Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $48.99 | $48.99 | $48.99 |
| Kentucky Gun Co | $43.99 | $43.99 | $43.99 |
| MidwayUSA | $48.99 | $48.99 | $48.99 |
| OpticsPlanet | $48.99 | $48.99 | $48.99 |
Since Sep 28, 2026.
About this part
The AR Enhanced Carbine Buffer Tube Kodiak Brown is an AR-15 buffer part from Aero Precision. It's sold by 4 stores, from $43.99 to $48.99.
Fits and works with
- Buffer system
- Carbine · Buffers and springs
Specifications
- Manufacturer
- Aero Precision
- Type
- Buffer Tube
- Platform
- AR-15
From the manufacturer
Your AR-15's buffer tube is just a tubea |right? Well, why can't it do more than just hold your gun's buffer and buffer spring? That's what Aero Precision engineers thought, so the company developed its innovative AR Enhanced Carbine Buffer Tube. The Aero Precision AR Enhanced Carbine Buffer Tube features a few special highlights designed to improve your gun's functionality. Aero Precision first added Carrier Support Extensions into the tube, which are designed to guide the bolt-carrier group into the tube after a round is fired. This prevents carrier tilt and minimizes wear on key components, ensuring that your gun lasts longer. The support extensions also s Mfg: Aero Precision
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