Rock River Arms 350 Legend CAR Upper Receiver
Complete 350 Legend upper receiver with 16-inch stainless steel barrel, RRA Operator brake, low-profile gas block, and 13-inch free-float M-LOK rail. Includes bolt carrier group, charging handle, and magazine.
Fits: AR-15
Rock River Arms 350 Legend CAR Upper Receiver
This complete upper receiver assembly delivers modern sporting rifle capability in the increasingly popular 350 Legend cartridge. Rock River Arms has engineered a practical, reliable platform for hunters and sport shooters seeking an efficient intermediate cartridge.
Key Features
Barrel & Action
- 16-inch stainless steel barrel with 1:16 twist rate optimized for 350 Legend ballistics
- Cryogenically treated for enhanced durability and consistency
- Forged A4 upper receiver for strength and precision
Gas System & Controls
- Low-profile gas block with carbine-length gas system for reliable cycling
- RRA Operator brake (1/2-36 threaded) for muzzle control and flash reduction
- Charging handle assembly included and ready to install
Handguard & Accessory Mounting
- 13-inch extended lightweight free-float rail provides excellent accuracy potential
- M-LOK compatible slots for mounting optics, lights, and other tactical accessories
- Free-floating design isolates the barrel from handguard pressure
What's Included
- Bolt carrier group
- Charging handle assembly
- One 10-round magazine
This upper receiver pairs with any standard AR-15 lower receiver to create a complete rifle. The 350 Legend cartridge offers moderate recoil, excellent accuracy, and effective hunting performance in a modern platform.
