Moriarti MA-15 5" Micro ARP Pistol – Mil-Spec Buffer, SBR Ready, Choose Caliber & Color

Micro ARP Pistol: Specs & Features

The Moriarti Micro ARP AR-15 5" Semi-Auto Pistol is built for shooters who demand premium performance from an ultra-compact AR platform. ARP pistol combines lightweight construction, premium American-made components, and exceptional reliability in one of the most compact AR platforms available.

Available in multiple calibers and anodized color options, the Micro ARP can be configured to match your shooting style and preferences. Whether you choose 5.56 NATO, 300 AAC Blackout, 7.62x39, or another available caliber, you'll enjoy the familiar ergonomics of the AR-15 in a highly maneuverable mini ARP platform.

Perfect for enthusiasts looking to build a custom collection or own a compact micro AR pistol, it delivers the quality, modularity, and craftsmanship that define Moriarti Armaments.

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Specifications:

• Gas System: Compact gas system with a steel low-profile gas block, designed for dependable cycling in the selected caliber and barrel configuration.

• Handguard: 4" Free-Float Slim M-LOK Handguard manufactured from aircraft-grade aluminum. Lightweight and durable with M-LOK mounting capability for compatible accessories.
• Bolt Carrier Group: M16-profile BCG with nitride finish, properly staked gas key, and serrations for dependable cycling and long-term durability.
• Buffer System: Mil-Spec carbine buffer tube with 3 oz carbine buffer and AR-15 carbine spring. This standard AR-15 receiver-extension system provides broader compatibility with Mil-Spec components and makes the platform SBR ready for customers who later choose to configure the firearm in accordance with applicable NFA requirements.
• Grip: Skeletonized aluminum grip with anodized finish, designed to reduce weight while providing a distinctive Micro AR appearance.
• Lower Receiver: MA-15 forged lower receiver assembled with Mil-Spec AR-15 lower components for a strong, dependable foundation.
• Magazine: Magazine included. Capacity will vary according to applicable state and local restrictions.

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Additional Features

• Custom Color Options: Choose from Red, Clear, Tungsten, Blue, Purple, or Black for selected components, allowing you to personalize your Micro AR.
• Multiple Calibers: Available in 5.56 NATO, 300 Blackout, and 7.62x39, depending on current inventory.
• 7.62x39 Configuration: The 7.62x39 model includes caliber-appropriate components, including an enhanced firing pin and heavy hammer spring. Brass-cased ammunition is recommended and required for warranty coverage.
• SBR Ready: The Mil-Spec carbine receiver extension provides compatibility with appropriate Mil-Spec components should the owner later choose to lawfully reconfigure the firearm. Any configuration subject to the National Firearms Act must comply with applicable federal, state, and local requirements.
• FFL Transfer Required: This is a complete firearm and must be shipped to an eligible FFL dealer for transfer. Please have your dealer provide a signed copy of its FFL along with your order or invoice information.

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Important Notes

• Sights are not included and are sold separately.
• warranted for use with brass-cased ammunition.
• Magazine capacity varies according to applicable laws.
• Images may not be an exact representation of the final product due to component and color availability.
• This firearm requires shipment to an FFL for transfer.

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Why Choose the Moriarti MA-15 5" Micro Pistol?

The Moriarti MA-15 5" Micro Pistol combines an ultra-compact AR platform with the flexibility of a conventional Mil-Spec carbine buffer system. Available in 5.56 NATO, 300 Blackout, and 7.62x39, the platform can be customized with multiple component colors for a distinctive Micro AR configuration.

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What caliber should I choose for a Micro ARP?

The best caliber depends on your intended use. 300 AAC Blackout is popular for compact and suppressor-ready builds, 5.56 NATO offers broad ammunition availability, 7.62x39 provides increased energy, and 338 ARC is designed for shooters seeking enhanced ballistic performance. Choosing the right caliber allows you to tailor your Micro ARP to your shooting goals.

Elevate your shooting game with the AR-15 Moriarti 5" Micro Pistol. Customizable, durable, and powerful—this pistol delivers top-tier performance in a compact design. Order now and make it your own!

FAQ

Does it ship to an FFL?

Yes. This is a complete firearm, so it ships to your local FFL dealer for transfer. The buyer must meet all federal, state and local requirements.

Which calibers are available?

Choose the caliber on this page; every option runs on the AR-15 platform with the matching bolt and magazines.

What does "SBR ready" mean?

The rear setup accepts a stock, but adding a shoulder stock to a pistol with this barrel length changes its federal classification. Do it only in compliance with NFA and state rules.

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