Stag Arms Upper Receiver Assembly Kit Left Hand
$29.99 at OpticsPlanet
In stock Sale
Best price
$25.99at OpticsPlanet
Out of stock Sale checked Oct 21, 2026
In stock now instead
- Stag Arms Upper Receiver Assembly Kit Left Hand $29.99at OpticsPlanet
- Matrix Arms Stripped Upper Receiver 5.56mm Hardcoat Anodized Bl… $49.00at MidwayUSA
- Guntec USA AR-15 Upper Receiver Assembly Kit $49.99at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $25.99Salechecked Oct 21, 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 upper receivers in stock
This part is out of stock at every store we track. These similar upper receivers are in stock, with today's prices.
Matrix Arms Stripped Upper Receiver 5.56mm Hardcoat Anodized Black
$49.00 at MidwayUSA · 2 stores
In stock
Guntec USA AR-15 Upper Receiver Assembly Kit
$49.99 at OpticsPlanet
In stock Sale
Price history
Dashed line = out of stock. Tracking since Oct 16, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $25.99 | $25.99 | $25.99 |
Since Oct 16, 2026.
About this part
The Stag Arms Upper Receiver Assembly Kit Right Hand is a 5.56 / .223 upper receiver from Stag Arms. One store lists it, OpticsPlanet at $25.99.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Specifications
- Manufacturer
- Stag Arms
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
From the manufacturer
Stag Arms Upper Receiver Assembly Kit Right Hand. Specs Parts: C-clip Ejection port cover Ejection port cover roll pin Ejection port cover spring Forward Assist assembly Forward Assist roll pin Forward Assist spring SKU:STAG300451 FAQ Q: Does Stag Arms have instructions or a video on how to install the kit? A: We strongly recommend having a gunsmith install the upper parts kit to prevent damage during installation. Specifications for Stag Arms Upper Receiver Assembly Kit: Manufacturer: Stag Arms Color: Black Fabric/Material: Aluminum Caliber: 5.56x45mm NATO .223 Remington Gun Make: AR Platform Gun Model: AR-15 Weight: 1 lb Country of Origin: USA Package Contents: Stag Arms Upper Receiver Assembly Kit Ejection Port Cover Ejection Port Cover Roll Pin Ejection Port Cover Spring Forward Assist Assembly Forward Assist Roll Pin Forward Assist Spring What firearm models does the manufacturer say Stag Arms Upper Receiver Assembly Kit is compatible with? The manufacturer says that Stag Arms Upper Receiver Assembly Kit is compatible with AR-15Stag Arms STAG300451: Upper Receiver Assembly Kit Right Hand
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