AR-15 Fastback Receiver Extension Mil-Spec
$53.99 at MidwayUSA · 4 stores
In stock
AR-15 Pistol Buffer Tube Assembly Package
Advanced Technology · Buffer Tubes & Springs
No ratings yetBest price
$54.49at Ammunition Depot
In stock checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Ammunition Depot Best price | $54.49checked Oct 1, 2026 | In stock | Buy at Ammunition Depot | |
| OpticsPlanet | $59.79Salechecked Oct 1, 2026 | In stock | Buy at OpticsPlanet | |
| Brownells | $59.99checked Oct 1, 2026 | In stock | Buy at Brownells | |
| Battlehawk Armory | $47.10Salechecked Oct 1, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $62.99checked Sep 29, 2026 | Check store | Buy at Palmetto State Armory |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $54.49 at Ammunition Depot. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $54.49 | $54.49 | $54.49 |
| Battlehawk Armory | $47.10 | $47.10 | $47.10 |
| Brownells | $59.99 | $59.99 | $59.99 |
| OpticsPlanet | $59.79 | $59.79 | $59.79 |
| Palmetto State Armory | $62.99 | $62.99 | $62.99 |
Since Sep 27, 2026.
About this part
The AR-15 Pistol Buffer Tube Assembly Package is an AR-15 buffer part from Advanced Technology. It's sold by 5 stores (3 in stock), from $47.10 to $62.99. The lowest in-stock price in the last 30 days was $54.49 at Ammunition Depot.
Fits and works with
- Buffer system
- Pistol · Buffers and springs
Specifications
- Manufacturer
- Advanced Technology
- Type
- Buffer Tube
- Platform
- AR-15
- Material
- Aluminum
From the manufacturer
AR-15 Pistol Buffer Tube Assembly Constructed of Military Type III Anodized, 6061 T6 Aluminum Mil-Spec Tube Diameter for Proper Fit to Specified Manufacturer's Range for the Sig Brace, etc. Military Diameter Threads for Maximum Fit into AR-15 Receiver Vynafoam Padded Tube Cap Includes Steel Military Grade E-Coated Castle Nut and Locking Ring Includes AR-15 Recoil Plug & Buffer Spring Virtually Indestructible Limited Lifetime Warranty Made in the USA Mfg: Advanced Technology
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