CMMG Resolute MK4 .350 Legend Upper with 16.1" Barrel, Black
$799.99 at OpticsPlanet · 6 stores
In stock Sale
CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Titanium
No ratings yetBest price
$819.99at OpticsPlanet
Out of stock Sale checked Oct 22, 2026
In stock now instead
- CMMG Resolute MK4 .350 Legend Upper with 16.1" Barrel, Black $799.99at OpticsPlanet
- APF Armory 350 Legend Fury Complete Upper Receiver Armor Black $749.00at OpticsPlanet
- Faxon Firearms Duty Series AR-15 350 Legend 16in Upper Receiver… $679.00at MidwayUSA
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $819.99Salechecked 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 | $819.99 | $819.99 | $819.99 |
Since Oct 14, 2026.
About this part
The CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Titanium is a 16.1" .350 Legend upper receiver from CMMG. One store lists it, OpticsPlanet at $819.99.
Fits and works with
- Caliber
- .350 Legend · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Barrel length
- 16.1" · Handguards
Specifications
- Manufacturer
- CMMG
- Platform
- AR-15
- Caliber
- .350 Legend
From the manufacturer
CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Titanium. 30-30 or .243 Win. Designed to work with any standard AR15 lower group this 350 Legend RESOLUTE Mk4 Upper Group is just what you need for your next build. Specifications for CMMG Mk4 .350 Legend Resolute Upper Group Receiver: Manufacturer: CMMG Caliber: .350 Legend Barrel Length: 16.1 in Barrel Profile: Medium Taper Barrel Twist Rate: 1-10 Muzzle Device: CMMG Zeroed Muzzle Brake Fabric/Material: Billet 6061 T6 Aluminum Handguard Length: 16.5 in Gun Rail: M-LOK Weight: 3 lb Magazine Included: No Mount Type: M-LOK Package Contents: CMMG Mk4 .350 Legend Resolute Upper Group Receiver CMMG 35B5FBC-TI: Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Titanium
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