CMMG Banshee Mk3 8.6 Blackout 12.5 inch Upper Receiver Armor Black
$929.99 at OpticsPlanet
In stock Sale
CMMG Mk3 .308WIN Resolute Upper Group Receiver 16.1in Midnight Bronze
No ratings yetBest price
$999.99at OpticsPlanet
Out of stock Sale checked Oct 22, 2026
In stock now instead
- CMMG Banshee Mk3 8.6 Blackout 12.5 inch Upper Receiver Armor Bl… $929.99at OpticsPlanet
- Rock River Arms Completed Upper Receiver Predator HP A4 .308/7.… $967.99at MidwayUSA
- Rock River Arms Completed Upper Receiver Standart A4 .308/7.62X… $664.99at MidwayUSA
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $999.99Salechecked 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.
Rock River Arms Completed Upper Receiver Predator HP A4 .308/7.62X51mm NATO 20 Inch Barrel 1-10 Twist Free-Float Handguard Brake Black
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Rock River Arms Completed Upper Receiver Standart A4 .308/7.62X51mm NATO 20 Inch Barrel 1-10 Twist 5/8-24 Thread A2 Handguard A2 Flash Hider Black
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Patriot Ordnance Factory Rogue 16.50" Upper .308 Win 1:8 M-LOK Rail Mid-Length with BCG and CH, OD Green - Heavy Duty
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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 | $999.99 | $999.99 | $999.99 |
Since Oct 14, 2026.
About this part
The CMMG Mk3 .308WIN Resolute Upper Group Receiver 16.1in Midnight Bronze is a 16.1" .308 / 7.62x51 upper receiver from CMMG. One store lists it, OpticsPlanet at $999.99.
Fits and works with
- Caliber
- .308 / 7.62x51 · Shop matching ammo
- Bolt
- AR-10 (.308 / 6.5 CM) · Bolt carrier groups
- Barrel length
- 16.1" · Handguards
Specifications
- Manufacturer
- CMMG
- Color
- Bronze
- Platform
- AR-10
- Caliber
- .308 / 7.62
From the manufacturer
CMMG Mk3 .308WIN Resolute Upper Group Receiver 16.1in Midnight Bronze. 308 Win carbine with the RESOLUTE Mk3 upper group. Combining heavy hitting performance with styling in a league of its own there is no doubt that this upper will set your rifle apart from the crowd. There can be a lot of confusion with .308 AR platforms and compatibility CMMG has kept it simple by basing our Mk3 platform off the popular Gen 1 DPMS High-Pattern LR308 design which means greater parts availability and more customization potential. Specifications for CMMG Mk3 .308WIN Banshee Upper Group Receiver: Manufacturer: CMMG Caliber: .308 Winchester Barrel Profile: Medium Tapered Barrel Twist Rate: 1-10 Fabric/Material: 7075 T6 Aluminum Gas Block Journal Size-Diameter: .750 in Gun Rail: M-LOK Gun Make: CMMG Gun Model: CMMG Mk3 Magazine Included: No Mount Type: M-LOK Package Contents: CMMG Mk3 .308WIN Banshee Upper Group Receiver What firearm models does the manufacturer say CMMG Mk3 .308WIN Banshee Upper Group Receiver is compatible with? The manufacturer says that CMMG Mk3 .308WIN Banshee Upper Group Receiver is compatible with CMMG Mk3CMMG 38B7D78-MB: Mk3 .308WIN Resolute Upper Group Receiver 16.1in Midnight Bronze
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