Sniper AR-15 Buffer Tube Receiver End Plate .223/5.56/.308 Standard Black
$3.99 at OpticsPlanet
In stock
Best price
$3.95at Dirty Bird
checked Oct 31, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Dirty Bird Best price | $3.95checked Oct 31, 2026 | Check store | Buy at Dirty Bird | |
| AR15Discounts | $5.00checked Oct 31, 2026 | Check store | Buy at AR15Discounts |
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
Dashed line = out of stock. Tracking since Oct 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $5.00 | $5.00 | $5.00 |
| Dirty Bird | $3.95 | $3.95 | $3.95 |
Since Oct 28, 2026.
About this part
The NBS Mil-Spec Carbine Receiver Extension (Castle) Nut is an AR-15 buffer part from NBS. It's sold by 2 stores, from $3.95 to $5.00.
Fits and works with
- Buffer system
- Carbine · Buffers and springs
Specifications
- Manufacturer
- NBS
- Type
- Buffer Tube
- Platform
- AR-15
From the manufacturer
Mil-spec carbine castle nut/lock ring for securing lock plate on an adjustable stock for AR-15, M4.
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