300 AAC BLK Upper Assembly
300 AAC Blackout 16" Complete AR-15 Upper Assembly with CLAW Muzzle Brake | Moriarti Armaments
16 Inch 300 Blackout Upper – AR-15 300 AAC Blackout 16" Carbine CLAW Upper Assembly
Upgrade your AR-15 build with the Moriarti Armaments 16 Inch 300 Blackout Upper, featuring the AR-15 300 AAC Blackout 16" Carbine "CLAW" Upper Assembly. Designed for reliability, accuracy, and versatility, this complete upper assembly delivers the performance expected from the .300 AAC Blackout cartridge while maintaining compatibility with standard AR-15 lower receivers.
The CLAW upper features a precision 16" medium profile barrel, free-float M-LOK handguard, and Moriarti CLAW Muzzle Brake, making it an excellent choice for recreational shooting, hunting applications where permitted, and custom AR-15 builds.
Key Features at a Glance
Caliber: .300 AAC Blackout
Platform: AR-15
Barrel Length: 16"
Handguard: 15" Slim Profile Free-Float M-LOK Handguard
Muzzle Device: Moriarti CLAW Muzzle Brake
Receiver: A3 Flat Top Mil-Spec Upper Receiver
Magazine Compatibility: Standard AR-15 Magazines
Best For: Hunting, Range Shooting, Recreational Shooting, AR Builds
Features
Gas System: Pistol Length Gas System
Chamber: .300 AAC Blackout, designed for compatibility with both supersonic and subsonic ammunition
Twist Rate: 1/7 Button Rifled for enhanced projectile stabilization and accuracy
Barrel:
- 16" Medium Profile Barrel
- 4150V Chrome Moly Steel
- Nitride Coated Finish
- M4 Feed Ramps
- .750 Gas Block Diameter
Muzzle Device:
- 5/8x24 Thread Pitch
- Moriarti CLAW Muzzle Brake
- Designed to help reduce muzzle rise and improve shooting control
Handguard:
- 15" Slim Profile Free-Float M-LOK Handguard
- Provides flexible mounting options for lights, grips, bipods, and other accessories
Upper Receiver:
- A3 Flat Top Upper Receiver
- 7075-T6 Aluminum Construction
- Black Hardcoat Anodized Finish
- Forward Assist Installed
- Dust Cover Installed
Compatibility:
Designed to work with most standard mil-spec AR-15 lower receivers.
Included:
Upper assembly only. BCG and charging handle are not included.
Best Applications
The 16 inch 300 Blackout Upper is an excellent choice for:
- Recreational shooting
- Target practice
- Hunting applications where .300 Blackout is permitted
- Ranch and property use
- General-purpose AR-15 builds
- Shooters looking to expand their AR-15 caliber options
Frequently Asked Questions
Does this 16 inch 300 Blackout upper fit my AR-15 lower?
Yes. This upper assembly is designed to fit most standard mil-spec AR-15 lower receivers.
Can I use standard AR-15 magazines with .300 Blackout?
Yes. .300 AAC Blackout was designed to work with standard AR-15 magazines. Many shooters choose to dedicate magazines to each caliber to prevent ammunition mix-ups.
What ammunition can I use with this upper?
This upper is chambered for .300 AAC Blackout ammunition. It is capable of using both supersonic and subsonic loads when paired with an appropriate firearm configuration and ammunition.
Is this 300 Blackout upper suppressor ready?
The barrel features a 5/8x24 threaded muzzle that accepts compatible muzzle devices and suppressors where legally permitted.
Why choose a 16 inch 300 Blackout upper?
A 16 inch .300 Blackout upper provides an excellent balance between velocity, accuracy, and maneuverability. The longer barrel allows shooters to maximize the performance of supersonic ammunition while maintaining the versatility that makes .300 Blackout popular for AR-15 builds.
Build Your 300 Blackout AR
Complete your build with:
Note: Images may not represent the exact product configuration.
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Tags: 300 Blackout Upper, 300 AAC Blackout, 300 BLK, 16 Inch Upper, AR-15 Upper Assembly, Complete AR-15 Upper, Carbine Upper, Free Float M-LOK, CLAW Muzzle Brake, Threaded Barrel, Mil-Spec AR-15, Hunting Upper, Range Upper, Suppressor Ready