Guntec USA AR-15 Castle Nut For Car/M4 Buffer Tube
$7.95 at OpticsPlanet · 2 stores
In stock Sale
Guntec USA AR-15 Pistol Buffer Tube Foam Sleeve Black
Guntec Usa · Buffer Tubes & Springs
No ratings yetBest price
$7.89at OpticsPlanet
Out of stock Sale checked Nov 3, 2026
In stock now instead
- Guntec USA AR-15 Castle Nut For Car/M4 Buffer Tube $7.95at OpticsPlanet
- Guntec USA AR-15 Heavy Duty Wide Castle Nut For Car/M4 Buffer T… $8.99at OpticsPlanet
- Battle Arms Development Receiver Extension Castle Nut Mil-Spec … $7.95at MidwayUSA
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $7.89Salechecked Nov 3, 2026 | Out of stock | Buy at OpticsPlanet |
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.
Guntec USA AR-15 Heavy Duty Wide Castle Nut For Car/M4 Buffer Tube Black
$8.99 at OpticsPlanet · 2 stores
In stock Sale
Battle Arms Development Receiver Extension Castle Nut Mil-Spec AR-15/M16 Black
$7.95 at MidwayUSA · 2 stores
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CMMG Inc Nut Receiver Extension MK4
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Foam AR15 Pistol Buffer Tube Cover
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Spikes Tactical Castle Nut Buffer Tube to Receiver Mil-Spec
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In stock Sale
Price history
Dashed line = out of stock. Tracking since Oct 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $7.89 | $7.89 | $7.89 |
Since Oct 28, 2026.
About this part
The Guntec USA AR-15 Pistol Buffer Tube Foam Sleeve Black is an AR-15 buffer part from Guntec Usa. One store lists it, OpticsPlanet at $7.89.
Fits and works with
- Buffer system
- Pistol · Buffers and springs
Specifications
- Manufacturer
- Guntec Usa
- Type
- Buffer Tube
- Platform
- AR-15
From the manufacturer
Guntec USA AR-15 Pistol Buffer Tube Foam Sleeve Black. The manufacturer says that Guntec USA AR-15 Pistol Buffer Tube Foam Sleeve is compatible with AR-15GUNTEC USA FOAM: AR-15 Pistol Buffer Tube Foam SleeveBlack
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