MA-15 Micro ARP 4.5" .300 Blackout Semi-Auto Pistol – Color Choice

300 Blackout Micro ARP

MA-15 Micro ARP 4.5" .300 Blackout Semi-Auto Pistol – Color Choice

The Moriarti Armaments MA-15 Micro Mini Series is a compact, semi-automatic AR-15 pistol chambered in .300 AAC Blackout. This configuration features a 4.5-inch 4150 Chrome Moly Vanadium nitride barrel with a 1:7 twist rate, a micro-length gas system, and a 4-inch slim M-LOK handguard.

The pistol features forged aluminum upper and lower receivers, an M16-profile bolt carrier group, a micro pistol buffer tube, and an Ergo pistol grip. The barrel is threaded 5/8×24.

Available in selectable exterior color finishes, the MA-15 Micro Mini 4.5" is a distinct configuration within Moriarti's Micro Mini Series.

Key Features

• Caliber: .300 AAC Blackout

• Barrel: 4.5" 4150 CMV, nitride finish

• Twist Rate: 1:7

• Gas System: Micro-length

• Gas Tube: Micro-length

• Muzzle Threads: 5/8×24

• Handguard: 4" slim M-LOK

• Upper Receiver: Forged aluminum

• Lower Receiver: Forged aluminum

• Bolt Carrier Group: M16-profile

• Buffer Configuration: Micro pistol buffer tube

• Pistol Grip: Ergo

• Finish: Selectable exterior colors

• Magazine: 30-round caliber-compatible magazine

Specifications

Package Includes

• One MA-15 Micro Mini 4.5" .300 Blackout semi-automatic pistol

• One 30-round magazine, where permitted

Frequently Asked Questions

What caliber is the MA-15 Micro Mini 4.5" chambered in?

The MA-15 Micro Mini 4.5" is chambered in .300 AAC Blackout.

What barrel length and twist rate does this model use?

It features a 4.5-inch 4150 CMV nitride barrel with a 1:7 twist rate.

What gas system does the MA-15 Micro Mini use?

This configuration uses a micro-length gas system with a micro-length gas tube.

What muzzle thread pitch does this pistol have?

The barrel features 5/8×24 muzzle threads.

How does this model differ from the 5" Micro Mini?

This version features a 4.5-inch barrel and micro-length gas system. The 5-inch Micro Mini is a separate model within the same product family.

Does this pistol include an adjustable brace?

No. This configuration uses a micro pistol buffer tube.

What handguard and grip are included?

The pistol features a 4-inch slim M-LOK handguard and an Ergo pistol grip.

Are different color finishes available?

Yes. This model is offered with selectable exterior color finishes.

Does the pistol include a magazine?

Yes. One 30-round magazine is included where permitted by applicable law.

Product Image Notice

Images may not be the exact representation of the product.

FFL Transfer Notice

This product is a complete firearm and must be transferred through a licensed Federal Firearms Licensee (FFL). Applicable federal, state, and local firearm laws and magazine-capacity restrictions apply.