AR-15 300 BLK 5" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Rail

AR-15 300 BLK 5" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Rail is designed with compatibility as its cornerstone, allowing for a seamless integration with standard AR-15 lower receivers. With this interchangeability, upgrading your current platform becomes effortless, creating a custom shooting experience without the need for specialized tools or extensive modifications. This assembly goes beyond a mere upgrade, as it is a complete transformation. It promises to open up a new realm of precision, power, and personalization to enhance your shooting experience. Whether participating in dynamic shooting competitions, improving your tactical skills, or simply enjoying target practice, this assembly sets a new standard in the firearm community, surpassing expectations and delivering unmatched performance.

Key Features:

• Chamber: 300 Blackout – Optimized for 300 BLK cartridges, perfect for short-barrel setups and suppressed shooting.

• Barrel: 5" 4150 Chrome Moly Vanadium (CRMOV) – Heat-treated with a black nitride finish for superior durability and corrosion resistance. The 1/7 twist rate ensures stability for heavier projectiles, ideal for both subsonic and supersonic ammunition.

• Muzzle Device: Spitfire with QD Blast – Featuring a quick-detach (QD) blast-style muzzle device, this helps mitigate recoil while providing efficient muzzle control, ideal for short-barreled rifles and pistols.

• Barrel Threads: 5/8x24 – Compatible with a wide range of suppressors and muzzle devices.

• Handguard: 4" Slim Profile Mlok Free Float – A lightweight, Mlok-compatible handguard, hardcoat anodized for durability, and perfect for mounting lights, lasers, and other accessories.

• Gas System: Micro Length – The Micro gas system ensures a smooth, reliable cycling of the weapon while maintaining a compact, efficient build for use in confined spaces.

• Gas Block: .750 Low Profile Gas Block – Constructed from steel with a nitride finish, this gas block is designed for long-lasting performance in harsh conditions.

• Upper Receiver: A3 Flat-Top Upper – Crafted from 7075-T6 aluminum, this upper is black hardcoat anodized to military specifications for maximum strength and corrosion resistance. Includes forward assist and dust cover.

Specifications:

• Weight: 2.5 lbs
• Overall Length: 15"
• Platform: AR-15
• Barrel Length: 5"
• Barrel Material: 4150 CRMOV
• Twist Rate: 1/7
• Muzzle Thread: 5/8x24
• Gas Block: .750 Low Profile Steel, Nitride Coated
• Gas System: Micro

Additional Notes:

• Bolt Carrier Group (BCG) and Charging Handle are not included but can be purchased separately.
• Images may not be an exact representation of the product due to variations in design or finish.

Why Choose This Upper Assembly?

The AR-15 300 Blackout 5" Upper Assembly is designed to deliver outstanding performance in a compact package. The Spitfire QD muzzle device enhances shooting comfort, while the Mlok handguard and Micro gas system give you unmatched flexibility and reliability. Whether you’re building a compact AR-15 for home defense, tactical use, or recreational shooting, this upper offers premium quality for serious enthusiasts.