CMMG 9mm Banshee Fixed Ejector Upper Group Receiver 8in 1-10 Twist 1/2 X 28 TPI 16.5in Armor Black
$869.99 at OpticsPlanet
In stock Sale
CMMG 9mm Banshee Fixed Ejector Upper Group Receiver 8in 1-10 Twist 1/2 X 28 TPI 16.5in Tungsten
No ratings yetBest price
$839.99at OpticsPlanet
Out of stock Sale checked Oct 23, 2026
In stock now instead
- CMMG 9mm Banshee Fixed Ejector Upper Group Receiver 8in 1-10 Tw… $869.99at OpticsPlanet
- CMMG 9mm Banshee Fixed Ejector Upper Group Receiver 5in 1-10 Tw… $874.99at MidwayUSA
- Next Level Armament Horus AR-15 9mm Luger 5 inch Upper Receiver… $826.50at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $839.99Salechecked Oct 23, 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.
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Price history
Dashed line = out of stock. Tracking since Oct 13, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $839.99 | $839.99 | $839.99 |
Since Oct 13, 2026.
About this part
The CMMG 9mm Banshee Fixed Ejector Upper Group Receiver 8in 1-10 Twist 1/2 X 28 TPI 16.5in Tungsten is an 8" 9mm upper receiver from CMMG. One store lists it, OpticsPlanet at $839.99.
Fits and works with
- Caliber
- 9mm · Shop matching ammo
- Bolt
- 9mm · Bolt carrier groups
- Muzzle thread
- 1/2x28 · Muzzle devices
- Barrel length
- 8" · Handguards
Specifications
- Manufacturer
- CMMG
- Color
- Tungsten
- Platform
- AR-9
- Caliber
- 9mm
From the manufacturer
CMMG 9mm Banshee Fixed Ejector Upper Group Receiver 8in 1-10 Twist 1/2 X 28 TPI 16.5in Tungsten. Compact action RDB was an advancement to the original RDB. This (fixed ejector on RDB) is a continued advancement bringing new technologies to the original platform. If youre looking to build the most compact 9mm AR then look no further. CMMGs 9mm RDB uppers feature uncompromised design and engineering with styling that is never mistaken for something else. Having more options is always better like what magazines you would like to use. 9mm Radial Delayed Blowback uppers are designed exclusively to work with CMMG MkGs Mk17 and Mk9 9mm lowers or with mil-spec AR15 lowers using our 9mm Conversion Magazines. Specifications for CMMG 9mm 8in Banshee Fixed Ejector Upper Group Receiver: Manufacturer: CMMG Caliber: 9mm Luger Overall Length: 16.5 in Barrel Length: 8 in Barrel Twist Rate: 1-10 Firearms Threads Per Inch: 1/2x28 Muzzle Device: CMMG Zeroed Muzzle Brake Finish: Cerakote Fabric/Material: Aluminum Gun Rail: M-LOK Weight: 3 lb Barrel Material: 4140 Chrome Moly Vanadium Magazine Included: No Condition: New Package Contents: CMMG 9mm 8in Banshee Fixed Ejector Upper Group Receiver CMMG 99B9A0F-TNG: 9mm Banshee Fixed Ejector Upper Group Receiver 8in 1-10 Twist 1/2 X 28 TPI 16.5in Tungsten
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