AR-15 350 Legend 18" Upper Assembly / Left Hand / M-LOK Rail / Slick Side Upper

350 Legend

AR-15 350 Legend 18" Upper Assembly / Left Hand / Slick Side / 15" Free Float Rail

Supercharge your AR-15 with the 350 Legend 18" Upper Assembly, designed specifically for left-handed shooters. This upper is a perfect upgrade to your standard AR-15 platform, offering superior velocity and energy with the 350 Legend cartridge. No need to buy specialty bolts — it’s a direct upgrade that enhances the performance of your rifle with just one simple step!

Equipped with an 18" parkerized barrel and mid-length gas system, this slick side upper comes with a 15" free float slim rail for improved handling and precision. Ideal for hunting, target shooting, or just enhancing your shooting experience, this upper is designed with quality materials, including 7075-T6 aluminum forging for the upper receiver and a steel low-profile gas block.

Note: The upper does not come with a bolt carrier group (BCG) or charging handle and must be purchased separately.

Key Features:

• Barrel: 18" 4150 CMV parkerized barrel with a 1:16 twist for optimal stabilization of projectiles.

• Gas System: Mid-length gas system with a .750 low-profile steel gas block for smooth and reliable cycling.

• Muzzle Device: A2 flash hider for superior recoil reduction and flash suppression.

• Handguard: 15" free-floating slim M-LOK rail for lightweight, high-performance customization options.

• Receiver: Billet AR-15 left-hand slick side upper receiver – no forward assist or dust cover for a sleek profile.

• Muzzle Thread: 5/8x24 for compatibility with most muzzle devices.

• Feed Ramp: 300 Blackout-style feed ramps for smooth feeding and cycling.

• Material: 7075-T6 aluminum forging for durability and long-lasting performance.

Please note: Comes assembled and ready to mount to your lower receiver. Does not include AR-15 BCG and Charging Handle. Does not come with complete AR-15 lower receiver. Images may not be the exact representation of the product.