Description

Upgrade your AR-15 with this AR-15 .300 Blackout 10.5″ Right Side Charging Upper w/ BCG MLOK Rail, built for reliability and compact performance. Featuring a heavy profile 4150 CMV barrel, 1:8 twist rate, pistol-length gas system, and lightweight 10” MLOK split rail, this upper arrives ready to install with BCG and charging handle included.

Compatible with standard mil-spec AR-15 multi-caliber lowers.

Designed for shooters who demand compact power and dependable cycling, this .300 Blackout complete upper delivers performance in a lightweight, ready-to-install configuration.

AR-15 .300 Blackout 10.5″ Right Side Charging Upper w/ BCG MLOK Rail Built around a 10.5” heavy profile barrel, this upper is chambered in .300 AAC Blackout and optimized with a 1:8 twist rate, ideal for stabilizing both subsonic and supersonic loads. The pistol-length gas system ensures smooth operation and consistent reliability.

The Gen 2 right side charging system allows fast manipulation without breaking your shooting position — ideal for tactical setups and range performance.

🔧 Upper Features:

• Caliber: .300 AAC Blackout

• Barrel Length: 10.5”

• Barrel Material: 4150 Chrome Moly Vanadium

• Barrel Finish: Parkerized

• Barrel Profile: Heavy

• Twist Rate: 1:8

• Thread Pitch: 5/8×24

• Gas System: Pistol Length

• Gas Block Size: .750

• Charging Style: Right Side Charging (Gen 2)

• Handguard: 10” MLOK Split Rail

• Receiver: M4 Flat-Top 7075 Billet Aluminum

• Includes: AR-15 Bolt Carrier Group (BCG) & Charging Handle

• Flash Hider Included

• Weight: 3.5 lbs

• Compatibility: Mil-Spec AR-15 Multi-Cal Lower Receivers

Why Choose This .300 Blackout Upper?

• Compact 10.5” barrel ideal for maneuverability

• Heavy barrel profile for durability and heat management

• Right side charging for improved handling

• Complete assembly – ready to mount

• Optimized for suppressed or unsuppressed setups

Whether you’re building a compact AR pistol or upgrading your current rifle platform, this AR-15 .300 Blackout complete upper delivers reliable performance and modern features.

Warning: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.