Battle Arms Development Engraved Ejection Dust Cover - 9MM
$15.89 at OpticsPlanet · 2 stores
In stock Sale
Best price
$16.99at OpticsPlanet
In stock Sale checked Oct 21, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $16.99Salechecked Oct 21, 2026 | In stock | Buy at OpticsPlanet | |
| Battlehawk Armory | $12.25Salechecked Oct 21, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $13.99Salechecked Sep 29, 2026 | Check store | Buy at Palmetto State Armory | |
| Brownells | $13.75checked Oct 21, 2026 | Out of stock | Buy at Brownells | |
| MidwayUSA | $15.50checked Oct 21, 2026 | Out of stock | Buy at MidwayUSA | |
| GunMag Warehouse | $17.99checked Sep 29, 2026 | Out of stock | Buy at GunMag Warehouse | |
| Ammunition Depot | $21.99checked Sep 30, 2026 | Out of stock | Buy at Ammunition Depot |
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
Lowest in-stock price in the last 30 days: $15.50 at MidwayUSA. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | — | $21.99 | $21.99 |
| Battlehawk Armory | $12.25 | $11.91 | $12.25 |
| Brownells | $13.75 | $13.75 | $13.75 |
| GunMag Warehouse | — | $17.99 | $17.99 |
| MidwayUSA | $15.50 | $15.50 | $15.50 |
| OpticsPlanet | $16.99 | $16.99 | $16.99 |
| Palmetto State Armory | — | $13.99 | $13.99 |
Since Sep 28, 2026.
About this part
The Caliber Marked Dust Cover Assembly 9mm is an AR-9 upper part from Yankee Hill Machine. It's sold by 7 stores (1 in stock), from $12.25 to $21.99. The lowest in-stock price in the last 30 days was $15.50 at MidwayUSA.
Fits and works with
- Caliber
- 9mm · Shop matching ammo
- Bolt
- 9mm · Bolt carrier groups
Specifications
- Manufacturer
- Yankee Hill Machine
- Type
- Ejection Cover
- Platform
- AR-9
From the manufacturer
YHM has long been a supplier of Caliber Marked upper receivers, but they soon asked themsleves ""What if we want to change the caliber of that upper receiver?"" For this reason, they now offer caliber marked dust covers for those who may end up changing the caliber of their top end/upper receiver. SPECIFICATIONS Assemblies Include the following: Caliber Marked Dust Cover Rod and Retaining Clip Spring Mfg: Yankee Hill Machine Co., Inc.
Similar upper parts
ABC RIFLE COMPANY AR Engraved Ejection Port Dust Cover Assembly 9mm Luger Black
$19.99 at OpticsPlanet
In stock
Wilson Combat Ejection Port Dust Cover 9mm Carbine
$10.95 at OpticsPlanet
In stock Sale
Rating
No ratings yet
Log in to rate this part.
Comments
Please log in to read and leave comments.