Moriarti 7.5" AR-15 Cookie Cutter Upper – 5.56 NATO, 300 BLK & 7.62x39

7.5" Cookie Cutter Upper: Specs

Give your AR-15 a distinctive look with the Moriarti 7.5" Cookie Cutter Upper Assembly, featuring the recognizable Strike Industries Cookie Cutter compensator and a compact, free-floating M-LOK handguard.

Available in 5.56 NATO, 300 AAC Blackout, and 7.62x39, this upper combines a 7.5-inch 4150 CMV nitride-finished barrel, pistol-length gas system, and forged 7075-T6 aluminum receiver.

The oversized Cookie Cutter compensator sets this configuration apart from conventional AR-15 uppers, while the black 7-inch M-LOK handguard provides a clean, streamlined appearance.

Whether you're looking for a distinctive short-barrel configuration or a specialty upper for an existing AR platform, the Moriarti Cookie Cutter offers three caliber choices in one established design.

Key Features

• 7.5" 4150 CMV Barrel: Medium-profile barrel with nitride finish and M4 feed ramps.

• Three Caliber Choices: 5.56 NATO, 300 AAC Blackout, or 7.62x39.

• Strike Industries Cookie Cutter Compensator: Distinctive oversized muzzle device designed for short-barrel configurations.

• Pistol-Length Gas System: Confirmed across the listed caliber options.

• 7" Free-Float M-LOK Handguard: Slim-profile black handguard.

• Caliber-Specific Twist Rates: 1:7 for 5.56 NATO and 300 BLK; 1:10 for 7.62x39.

• Caliber-Specific Muzzle Threads: 1/2x28 for 5.56 NATO; 5/8x24 for 300 BLK and 7.62x39.

• Forged A3 Upper Receiver: 7075-T6 aluminum with black hardcoat anodized finish.

• Assembled Upper: Forward assist and dust cover installed.

Specifications

Package Includes

• Assembled 7.5" AR-15 upper in selected caliber

• Installed 7" slim free-floating M-LOK handguard

• Installed pistol-length gas system

• Installed Strike Industries Cookie Cutter compensator

• Forged A3 upper receiver with forward assist and dust cover

Bolt carrier group (BCG), charging handle, and lower receiver are not included.

Frequently Asked Questions

What calibers are available for the Cookie Cutter upper?

This upper is offered in 5.56 NATO, 300 AAC Blackout, and 7.62x39. Select your preferred caliber before adding the product to your cart.

What makes the Cookie Cutter upper different from a standard AR-15 upper?

Its defining feature is the oversized Strike Industries Cookie Cutter compensator, which gives the upper a distinctive appearance compared with conventional flash-hider and muzzle-brake configurations.

Does the Cookie Cutter upper include a BCG and charging handle?

No. The bolt carrier group and charging handle are sold separately.

Is the Cookie Cutter upper suppressor-ready?

This model includes a dedicated Cookie Cutter compensator and is not advertised as a suppressor-ready configuration.

Can this upper be used in a short-barreled rifle configuration?

It may be used as a component of a lawfully configured short-barreled rifle. Applicable federal and state requirements depend on the completed firearm.

Product Image Notice

Images may not be the exact representation of the product.

FAQ

Which calibers are available?

5.56 NATO, 300 AAC Blackout and 7.62x39. Choose the caliber at the top of this page.

Will it fit my AR-15 lower?

Yes. It fits standard mil-spec AR-15 lower receivers.

Related: 300 Blackout AR-15 uppers · Micro ARP 300 Blackout pistols · 5.56 NATO vs 300 Blackout