AR-15 Mil-Spec Castle Nut
$4.99 at OpticsPlanet · 2 stores
In stock Sale
At3 Tactical · Buffer Tubes & Springs
No ratings yetBest price
$4.99at OpticsPlanet
Out of stock checked Nov 3, 2026
In stock now instead
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $4.99checked 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.
This part is out of stock at every store we track. These similar buffer parts are in stock, with today's prices.
Dashed line = out of stock. Tracking since Oct 27, 2026.
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $4.99 | $4.99 | $4.99 |
Since Oct 27, 2026.
The AT3 Tactical Mil Spec End Plate for AR-15 Black is an AR-15 buffer part from At3 Tactical. One store lists it, OpticsPlanet at $4.99.
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