Micro ARP MA-15 4.5" Semi-Auto Pistol | SBR Ready

Micro ARP

Micro ARP MA-15 4.5" Semi-Auto Pistol | SBR Ready | Choose Color & Caliber | Moriarti Armaments

The MA-15 Micro ARP 4.5" Semi-Auto Pistol from Moriarti Armaments is engineered for shooters who demand maximum performance from an ultra-compact platform. Built as an SBR-ready firearm, this ARP pistol combines premium American-made components with the modularity of the AR-15, allowing you to choose your preferred color and caliber to create a truly custom build.

Available in 5.56 NATO, 300 AAC Blackout, 7.62x39, and .338 ARC configurations, the Micro ARP is designed for exceptional maneuverability while maintaining the reliability and accuracy expected from a premium AR platform. Its 4.5-inch barrel and compact footprint make it one of the most versatile mini ARP platforms in the Moriarti lineup.

Whether you're looking for a micro AR pistol for range use, recreational shooting, or your next custom build, the MA-15 Micro ARP delivers premium craftsmanship in an exceptionally compact package.

Features

• SBR Ready Platform
• Available in:
  • 5.56 NATO
  • .300 AAC Blackout
  • 7.62×39
  • .338 ARC
• Ultra Compact 4.5" Barrel
• Forged 7075-T6 Upper & Lower Receivers
• Free Float M-LOK Handguard
• Mil-Spec Charging Handle
• A2 Flash Hider
• Micro Gas System
• Milspec Buffer Tube
• Hard Coat Anodized Finish (also available in various cerakote colors)
• Accepts Standard AR-15 Accessories
• Made in the USA by Moriarti Armaments
• Limited Lifetime Warranty

Why You'll Love It

Whether you're looking for a compact backpack firearm, truck gun, range toy, home-defense platform, or the perfect base for a future tax-stamped build, the Moriarti 4.5" Micro delivers outstanding performance in an incredibly compact package.

The forged receiver set provides long-term durability, while the M-LOK handguard keeps weight low and offers plenty of room for lights, lasers, hand stops, and other accessories.

Its compact footprint makes it one of the most versatile AR-15 pistols available today.

Magazines are not included.

What does SBR-ready mean?

SBR-ready means the firearm is designed to serve as the foundation for a Short-Barreled Rifle (SBR) configuration if lawfully registered under applicable federal, state, and local laws. In its factory configuration, it is sold as a pistol, but owners may choose to lawfully configure it as an SBR after complying with all applicable legal requirements.

Legal Notice

This firearm is manufactured and transferred as a pistol and ships without a stock or brace. "SBR Ready" means the platform is suitable for lawful conversion into a Short-Barreled Rifle after compliance with all applicable federal, state, and local laws, including prior ATF approval. Compatibility with aftermarket trigger systems varies by manufacturer and configuration, and any modifications must comply with applicable law.