Mk4 Banshee Upper Receiver Group, 5.56 NATO, 12.5", Armor Black
$819.99 at OpticsPlanet
In stock Sale
Best price
$827.49at Ammunition Depot
In stock checked Oct 23, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Ammunition Depot Best price | $827.49checked Oct 23, 2026 | In stock | Buy at Ammunition Depot | |
| OpticsPlanet | $877.99Salechecked Oct 23, 2026 | In stock | Buy at OpticsPlanet | |
| GunMag Warehouse | $946.99checked Oct 23, 2026 | In stock | Buy at GunMag Warehouse | |
| Palmetto State Armory | $967.99Salechecked Oct 23, 2026 | Check store | Buy at Palmetto State Armory |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $827.49 at Ammunition Depot. Dashed line = out of stock. Tracking since Oct 12, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $827.49 | $827.49 | $827.49 |
| GunMag Warehouse | $946.99 | $946.99 | $946.99 |
| OpticsPlanet | $877.99 | $877.99 | $877.99 |
| Palmetto State Armory | $967.99 | $967.99 | $967.99 |
Since Oct 12, 2026.
About this part
The CMMG Resolute Upper Receiver Group 5.7x28mm 16.1in Armor Black is a 16.1" AR-15 upper receiver from CMMG. It's sold by 4 stores (3 in stock), from $827.49 to $967.99. The lowest in-stock price in the last 30 days was $827.49 at Ammunition Depot.
Fits and works with
- Barrel length
- 16.1" · Handguards
Specifications
- Manufacturer
- CMMG
- Color
- Black
- Platform
- AR-15
From the manufacturer
CMMG Resolute Upper Receiver Group 5.7x28mm 16.1in Armor Black. Combine this RESOLUTE Upper Group with either our Mk57 Lower or a standard AR15 lower group and CMMGs 5.7 AR Conversion Magazines and youll be ready to hit the range Specifications for CMMG Resolute Upper Receiver Group: Manufacturer: CMMG Barrel Length: 16.1 in Muzzle Device: CMMG Zeroed Muzzle Brake Color: Armor Black Fabric/Material: 6061-T6 Aluminum Gun Rail: M-LOK Gun Type: Rifle Gun Make: AR Platform Gun Model: Universal Magazine Included: No Condition: New Mount Type: M-LOK Package Contents: CMMG Resolute Upper Receiver Group What firearm models does the manufacturer say CMMG Resolute Upper Receiver Group is compatible with? The manufacturer says that CMMG Resolute Upper Receiver Group is compatible with UniversalCMMG 57B40E4-AB: Resolute Upper Receiver Group 5.7x28mm 16.1in Armor Black
Similar upper receivers
CMMG Mk4 Resolute Upper Receiver Group 5.56x45mm NATO 16.1in Armor Black
$849.99 at MidwayUSA · 2 stores
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