Ormal 16-Inch AR-15 .300 BLK Rifle Full Build Kit

The. Ormal 16-inch .300 BLK full build kit delivers a complete rifle platform with quality components across the upper and lower systems. This kit includes everything except the serialized lower receiver, making it ideal for builders who want a proven .300 BLK configuration without sourcing individual parts.

Key Features

• 16-inch 4150 CrMoV barrel with 1:8 twist rate optimized for .300 BLK subsonic and supersonic loads
• 7075-T6 aluminum upper receiver with M4 feed ramps
• Nickel boron bolt carrier group rated for .300 BLK, 5.56, and .350 Legend
• Recoil Technologies micro low-profile gas block sized for .750 O.D. barrel
• Adjustable carbine stock with mil-spec buffer tube and carbine recoil spring
• AR-15 mil-spec charging handle and complete lower parts kit included

Perfect For

• Builders seeking a complete .300 BLK platform without component sourcing
• Shooters wanting subsonic and supersonic ammunition flexibility
• Users prioritizing lightweight configurations for tactical applications
• First-time builders who prefer validated kit combinations

.300 BLK Platform Strength

The .300 BLK caliber thrives in 16-inch barrel lengths. This configuration balances velocity retention for both subsonic rounds and standard pressure loads. The 1:8 twist rate stabilizes a wide range of bullet weights, from 110-grain supersonic rounds to 220-grain subsonic ammunition. The pistol gas system pairs well with the shorter barrel and lighter recoil impulse.

Nickel Boron Bolt Carrier Durability

The nickel boron finish on the bolt carrier group reduces friction and extends service life compared to standard mil-spec phosphate. The carrier is rated across multiple calibers, meaning it cycles reliably whether you're running .300 BLK, 5.56, or .350 Legend ammunition. This multi-caliber compatibility adds flexibility to your platform without requiring separate carriers.

Micro Low-Profile Gas Block Design

The. Recoil. Technologies gas block uses a low-profile footprint, preserving rail space on your handguard for optics and accessories. The .750 O.D. sizing matches the barrel profile precisely, ensuring reliable gas regulation across different load types. Proper gas block alignment is critical for cycling consistency with .300 BLK ammunition.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Lower receiver not included. BCG and charging handle compatibility verified for .300 BLK, 5.56, and .350 Legend platforms.