CMMG Mk3 Upper Receiver Assembly .308 Armor Black
$324.95 at MidwayUSA · 2 stores
In stock
Best price
$329.99at OpticsPlanet
Out of stock Sale checked Oct 22, 2026
In stock now instead
- CMMG Mk3 Upper Receiver Assembly .308 Armor Black $324.95at MidwayUSA
- Tacfire 16" Complete Upper Assembly .308 Win 1:10, Black $359.99at GunMag Warehouse
- Bear Creek Arsenal BC-10 .308 16in Right Side Upper Receiver He… $366.49at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $329.99Salechecked Oct 22, 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.
Tacfire 16" Complete Upper Assembly .308 Win 1:10, Black
$359.99 at GunMag Warehouse · 8 stores
In stock
Bear Creek Arsenal BC-10 .308 16in Right Side Upper Receiver Heavy Mid-Length 1-10 5/8x24 Flash Hider Parkerized Tungsten
$366.49 at OpticsPlanet
In stock Sale
Tacfire 18" Complete Upper Assembly .308 Win 1:10, Black
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Luth-AR .308 A3 Assembled Upper Receiver w/ Charging Handle & Ejection Port Door Installed
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Price history
Dashed line = out of stock. Tracking since Oct 14, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $329.99 | $329.99 | $329.99 |
Since Oct 14, 2026.
About this part
The CMMG Upper Receiver Assembly Mk3/.308WIN Sniper Grey is a .308 / 7.62x51 upper receiver from CMMG. One store lists it, OpticsPlanet at $329.99.
Fits and works with
- Caliber
- .308 / 7.62x51 · Shop matching ammo
- Bolt
- AR-10 (.308 / 6.5 CM) · Bolt carrier groups
Specifications
- Manufacturer
- CMMG
- Color
- Grey
- Platform
- AR-10
- Caliber
- .308 / 7.62
From the manufacturer
CMMG Upper Receiver Assembly Mk3/.308WIN Sniper Grey Sniper Grey. The CMMG Mk3 upper receiver assembly based on the DPMS LR308 gen1 high-pattern design gives shooters an AR10-style platform with the widest range of compatible parts and accessories on the market. Specifications for CMMG Mk3/.308WIN Upper Receiver Assembly: Manufacturer: CMMG Caliber: .308 Winchester Fabric/Material: 7075 T6 Aluminum Gun Make: CMMG Gun Model: CMMG Mk3 Magazine Included: No Condition: New Mount Type: M-LOK Package Contents: CMMG Mk3/.308WIN Upper Receiver Assembly What firearm models does the manufacturer say CMMG Mk3/.308WIN Upper Receiver Assembly is compatible with? The manufacturer suggests that CMMG Mk3/.308WIN Upper Receiver Assembly is compatible with CMMG Mk3CMMG 38BA22E-SG: Upper Receiver Assembly Mk3/.308WIN Sniper Grey Sniper Grey
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