CMMG 5.7X28mm Banshee Upper Group Receiver 5in 1-9 Twist 1/2 X 28 TPI 13.8in Armor Black
$749.99 at GunMag Warehouse · 5 stores
In stock
CMMG Mk4 4.6X30mm Banshee Upper Group Receiver 8in Charcoal Green
No ratings yetBest price
$749.99at OpticsPlanet
Out of stock Sale checked Oct 22, 2026
In stock now instead
- CMMG 5.7X28mm Banshee Upper Group Receiver 5in 1-9 Twist 1/2 X … $749.99at GunMag Warehouse
- CMMG Resolute MK4 .350 Legend Upper with 16.1" Barrel, Black $799.99at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $749.99Salechecked 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 Resolute MK4 .350 Legend Upper with 16.1" Barrel, Black
$799.99 at OpticsPlanet · 6 stores
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 | $749.99 | $749.99 | $749.99 |
Since Oct 14, 2026.
About this part
The CMMG Mk4 4.6X30mm Banshee Upper Group Receiver 8in Charcoal Green is an 8" AR-15 upper receiver from CMMG. One store lists it, OpticsPlanet at $749.99.
Fits and works with
- Barrel length
- 8" · Handguards
Specifications
- Manufacturer
- CMMG
- Color
- Green
- Platform
- AR-15
From the manufacturer
CMMG Mk4 4.6X30mm Banshee Upper Group Receiver 8in Charcoal Green. 6x30mm firearm to the U.S. civilian market continuing a tradition of innovation shooters everywhere can now build a light recoiling flat shooting PDW (personal defense weapon) like no other. Designed to work with any standard AR15 lower receiver and our 4.6x30mm magazines. Specifications for CMMG Mk4 4.6X30mm Banshee Upper Group Receiver: Manufacturer: CMMG Overall Length: 16.5 in Barrel Length: 8 in Barrel Profile: Medium Tapered Muzzle Device: CMMG Zeroed Linear Compensator Fabric/Material: 6061-T6 Aluminum Gas Block Journal Size-Diameter: .750 in Gun Rail: M-LOK Gun Make: CMMG Gun Model: CMMG Mk4 Weight: 3.2 lb Magazine Included: No Mount Type: M-LOK Threads per Inch: 1/2x28 Package Contents: CMMG Mk4 4.6X30mm Banshee Upper Group Receiver What firearm models does the manufacturer say CMMG Mk4 4.6X30mm Banshee Upper Group Receiver is compatible with? The manufacturer says that CMMG Mk4 4.6X30mm Banshee Upper Group Receiver is compatible with CMMG Mk4CMMG 46B965A-CG: Mk4 4.6X30mm Banshee Upper Group Receiver 8in Charcoal Green
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