AR-15 Ejection Port Cover Kit - 308 AR Mk3 Ejection Port Cover Kit
$14.99 at Ammunition Depot · 7 stores
In stock
Best price
$14.99at AR15Discounts
checked Oct 31, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| AR15Discounts Best price | $14.99checked Oct 31, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $15.99checked Oct 31, 2026 | Check store | Buy at Dirty Bird |
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 | $14.99 | $14.99 | $14.99 |
| Dirty Bird | $15.99 | $15.99 | $15.99 |
Since Oct 28, 2026.
About this part
The NBS AR-15/M16 Gas Key - Nickel Boron is an AR-15 upper part from NBS. It's sold by 2 stores, from $14.99 to $15.99.
Specifications
- Manufacturer
- NBS
- Platform
- AR-15
From the manufacturer
NBS Mil-Spec AR-15 Nickel Boron Gas Key AR-15 Mil.Spec. Nickel Boron Made in the USA *Mounting screws not included
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