CMMG Upper Group Resolute Fixed Ejector 9mm 16.1in 1-10 Twist 1/2 X 28 TPI 25.3in Armor Black
$956.71 at MidwayUSA · 2 stores
In stock
Best price
$919.99at OpticsPlanet
Out of stock Sale checked Oct 22, 2026
In stock now instead
- CMMG Upper Group Resolute Fixed Ejector 9mm 16.1in 1-10 Twist 1… $956.71at MidwayUSA
- CMMG 9mm Banshee Fixed Ejector Upper Group Receiver 5in 1-10 Tw… $874.99at MidwayUSA
- Bilson Arms BA9FC 9mm Luger PCC 16in Forward Charging Complete … $944.00at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $919.99Salechecked 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.
CMMG 9mm Banshee Fixed Ejector Upper Group Receiver 5in 1-10 Twist 1/2 X 28 TPI 13.7in Armor Black
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Bilson Arms BA9FC 9mm Luger PCC 16in Forward Charging Complete Upper Assembly Standard Carbine Length 1-10 Twist 1/2x28 Nitride FDE/Sniper Green
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Matador Arms MAT-9 AR-9 9mm 7.825in Roller Delayed Upper Reciever 4150 Lightweight Nitrided Barrel 1-10 Twist 1/2x28 Threads Anodized Black
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In stock Sale
Price history
Dashed line = out of stock. Tracking since Oct 14, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $919.99 | $919.99 | $919.99 |
Since Oct 14, 2026.
About this part
The CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Titanium is a 16.1" 9mm upper receiver from CMMG. One store lists it, OpticsPlanet at $919.99.
Fits and works with
- Caliber
- 9mm · Shop matching ammo
- Bolt
- 9mm · Bolt carrier groups
- Barrel length
- 16.1" · Handguards
Specifications
- Manufacturer
- CMMG
- Platform
- AR-9
- Caliber
- 9mm
From the manufacturer
CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Titanium. We have you covered Utilizing our Radial Delayed Blowback operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is unmistakably CMMG this upper group is designed to work with a number of different lower receivers. From standard AR15 lowers (when used with AR 9 conversion mags) to any of our pistol magazine lowers (Mk9 MkGs and Mk17) you can build your next PCC exactly how you imagine. Specifications for CMMG Mk4 9mm Resolute Upper Group Receiver: Manufacturer: CMMG Caliber: 9mm Luger Overall Length: 25.3 in Barrel Length: 16.1 in Barrel Profile: Medium Tapered Barrel Twist Rate: 1-10 Muzzle Device: CMMG Zeroed Muzzle Brake Fabric/Material: 6061-T6 Aluminum Gun Rail: M-LOK Gun Make: CMMG Gun Model: CMMG Mk4 Weight: 4 lb Magazine Included: No Condition: New Mount Type: M-LOK Threads per Inch: 1/2x28 Package Contents: CMMG Mk4 9mm Resolute Upper Group Receiver What firearm models does the manufacturer say CMMG Mk4 9mm Resolute Upper Group Receiver is compatible with? The manufacturer suggests that CMMG Mk4 9mm Resolute Upper Group Receiver is compatible with CMMG Mk4CMMG 99BE6B6-TI: Mk4 9mm Resolute Upper Group Receiver 16.1in Titanium
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