Resolute Mk4 5.56 NATO Assembled Upper Rcvr 16.1" Bbl Black
$489.99 at OpticsPlanet · 5 stores
In stock Sale
Best price
$499.99at OpticsPlanet
Out of stock Sale checked Oct 22, 2026
In stock now instead
- Resolute Mk4 5.56 NATO Assembled Upper Rcvr 16.1" Bbl Black $489.99at OpticsPlanet
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- Rainier Arms RUC DI 5.56 NATO Partial Upper Receiver Black 10.5… $500.00at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $499.99Salechecked 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.
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This part is out of stock at every store we track. These similar upper receivers are in stock, with today's prices.
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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 | $499.99 | $499.99 | $499.99 |
Since Oct 14, 2026.
About this part
The CMMG Resolute Mk3 8.6 Blackout 16.1 inch Upper Receiver CMM is a 16.1" AR-15 upper receiver from CMMG. One store lists it, OpticsPlanet at $499.99.
Fits and works with
- Barrel length
- 16.1" · Handguards
Specifications
- Manufacturer
- CMMG
- Platform
- AR-15
From the manufacturer
CMMG Resolute Mk3 8.6 Blackout 16.1 inch Upper Receiver CMM. 1in Upper Receiver w/out BCG & Charging Handle. These AR15 Upper Receivers through the professional product professionals at CMMG are designed using dependable and efficient resources as a way to provide you with product that will be beneficial for quite some time. Manufactured utilizing some of the most useful attainable components and construction these AR15 Upper Receivers from the product experts at CMMG can last you an incredibly lengthy time. CMMG has been generating top quality products for a very long time and the CMMG Resolute MK4 300BLK 16.1in Upper Receiver w/out BCG & Charging Handle is their approach to showing you exactly how much they care. Here at OpticsPlanet we ensure that it is our obligation to obtain the perfect solution for all your requirements and featuring the CMMG Resolute MK4 300BLK 16.1in Upper Receiver w/out BCG & Charging Handle is one thing that we're pleased to offer. CMMG Resolute Mk3 8.6 Blackout 16.1 inch Upper Receiver CMM30BC40ATNG
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