Moriarti MA-15 4.5″ 5.56 NATO Micro ARP Pistol – SBPDW

Micro ARP

Moriarti MA-15 4.5″ 5.56 NATO Micro ARP Pistol – SBPDW

The Moriarti MA-15 Micro ARP is a compact semi-automatic AR-15 pistol chambered in 5.56 NATO. This configuration features a 4.5-inch 4150 CMV nitride barrel, a 4-inch M-LOK handguard, and a genuine SBPDW adjustable pistol brace.

The 4.5-inch barrel has a 1:7 twist rate and 1/2×28 muzzle threads with an installed micro cone muzzle device. The pistol uses a micro-length gas system with a .750-inch gas block.

The MA-15 Micro ARP is equipped with an M16-profile nitride bolt carrier group and includes one compatible black magazine.

Six matching receiver and handguard finishes are available: Black, Blue, OD Green, Grey, FDE, and Burnt Bronze. The upper receiver, lower receiver, and handguard share the selected finish, while the pistol grip and magazine remain black.

Key Features

• MA-15 Micro ARP Platform: Compact AR-15 pistol configuration.

• 4.5″ Barrel: 4150 CMV construction with nitride finish.

• 1:7 Barrel Twist: Confirmed twist specification.

• Micro-Length Gas System: Equipped with a .750″ gas block.

• 4″ M-LOK Handguard: Matching finish for each selected color.

• Micro Cone Muzzle Device: Installed on 1/2×28 muzzle threads.

• Genuine SBPDW Brace: Adjustable pistol brace.

• M16-Profile BCG: Nitride-finished bolt carrier group.

• Six Color Configurations: Black, Blue, OD Green, Grey, FDE, and Burnt Bronze.

• Magazine Included: One compatible black magazine.

Specifications

Package Includes

• Moriarti MA-15 4.5″ 5.56 NATO Micro ARP pistol

• Installed 4″ M-LOK handguard

• Installed micro cone muzzle device

• Genuine SBPDW adjustable pistol brace

• M16-profile nitride bolt carrier group

• One compatible black magazine

Optics, ammunition, and accessories not specifically identified in the package contents are not included.

Frequently Asked Questions

What is the barrel length of the MA-15 Micro ARP?

This model has a 4.5-inch barrel.

What caliber does the MA-15 Micro ARP use?

This configuration is chambered in 5.56 NATO only.

What barrel material and twist rate are specified?

The barrel is made from 4150 CMV steel, has a nitride finish, and features a 1:7 twist rate.

What gas system is installed?

The pistol uses a micro-length gas system with a .750-inch gas block.

Does the MA-15 Micro ARP include a muzzle device?

Yes. A micro cone muzzle device is installed on the 1/2×28 threaded barrel.

What type of handguard is installed?

The pistol features a 4-inch M-LOK handguard.

Is the SBPDW brace included?

Yes. The pistol includes a genuine SBPDW adjustable pistol brace.

Are the upper and lower receivers color-matched?

Yes. The upper receiver, lower receiver, and handguard use the selected color finish.

What colors are available?

Black, Blue, OD Green, Grey, FDE, and Burnt Bronze.

Does the MA-15 Micro ARP include a magazine?

Yes. One compatible black magazine is included.

Product Image Notice

Images may not be the exact representation of the product.

FFL Transfer Notice

This firearm must be transferred through a valid Federal Firearms Licensee (FFL), subject to applicable federal, state, and local requirements, purchaser eligibility, and required background checks.