Rock River Arms RRA 350L0326 350 Legend 16in Upper

This is a Rock River Arms upper assembly chambered for the .350 Legend cartridge. It features a 16-inch stainless steel heavy barrel and a car-length gas system paired with a low-profile gas block. The upper is fitted with an extended 13-inch free-float M-LOK handguard and ships with a bolt carrier group, charging handle, and a single 10-round magazine. The package is configured for users seeking a purpose-built .350 Legend upper for field and range use.

Key Specifications

• The caliber is .350 Legend.
• The barrel measures 16 inches.
• The barrel finish is stainless steel.
• The barrel material is steel and described as heavy.
• The muzzle device is an RRA Operator Brake, 1/2-36 thread.
• The gas system uses a car-length gas system.
• The gas block is a low-profile gas block.
• The handguard is an RRA 13-inch extended lightweight free-float rail, M-LOK compatible.
• The package includes a bolt carrier group, charging handle assembly, and one 10-round magazine.
• The product type is listed as Complete.

This upper assembly delivers a straightforward, no-nonsense configuration for those who want a robust .350 Legend setup with a stainless heavy barrel and a long M-LOK free-float handguard. Its included bolt carrier group, charging handle, and magazine make it a practical option to integrate into compatible platforms for hunting, target work, or general-purpose shooting where the .350 Legend cartridge is desired.