Guntec USA AR-15 Castle Nut For Car/M4 Buffer Tube
$7.95 at OpticsPlanet · 2 stores
In stock Sale
Best price
$5.99at 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
- AR-15 Buttcap Spacer $5.99at Brownells
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $5.99Salechecked 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
AR-15 Buttcap Spacer
$5.99 at Brownells
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Price history
Dashed line = out of stock. Tracking since Oct 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $5.99 | $5.99 | $5.99 |
Since Oct 28, 2026.
About this part
The Guntec USA AR-15 Receiver End Plate is an AR-15 buffer part from Guntec Usa. One store lists it, OpticsPlanet at $5.99.
Specifications
- Manufacturer
- Guntec Usa
- Platform
- AR-15
From the manufacturer
Guntec USA AR-15 Receiver End Plate. The manufacturer suggests that Guntec USA AR-15 Receiver End Plate is compatible with AR-15GUNTEC USA ENDPLATE: AR15 Receiver End Plate
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