MA-45 .45 ACP 4″ Micro ARP Pistol – SBR Ready

AR-45 ACP

Moriarti MA-45 .45 ACP 4″ Micro ARP Pistol – SBR Ready | Choose Color

The Moriarti MA-45 is a compact, semi-automatic .45 ACP pistol featuring a 4-inch barrel and direct-blowback operating system. This SBR Ready configuration includes a Mil-Spec receiver extension without a stock or pistol brace.

The pistol incorporates a slick-side billet upper receiver, a free-floating M-LOK handguard, a ramped bolt carrier assembly, and a Glock-style billet PCC lower receiver.

Available color options apply to selected components. This model does not include Last Round Bolt Hold Open (LRBHO) functionality.

Key Features

• .45 ACP chambering

• 4″ 4150 CMV barrel

• 1:16 right-hand twist

• 5/8×24 muzzle threading

• Mini flash cone

• 4″ free-floating M-LOK handguard

• Slick-side billet upper receiver

• Direct-blowback operating system

• Ramped bolt carrier assembly

• Standard AR-pattern charging handle

• 8.2 oz PCC buffer

• Mil-Spec receiver extension

• Skeleton-style pistol grip

• Non-LRBHO configuration

• Available color options

Specifications

Package Includes

• MA-45 complete pistol

• Installed 4″ barrel and mini flash cone

• M-LOK handguard

• Upper and lower receiver assemblies

• Installed operating components

• Mil-Spec receiver extension and buffer system

Magazine and sights are not included.

Frequently Asked Questions

Does this model include a stock or pistol brace?

No. This SBR Ready configuration is supplied with a receiver extension only.

Does this pistol feature LRBHO?

No. This model uses a Non-LRBHO configuration.

What operating system does it use?

The MA-45 uses a direct-blowback operating system.

Are multiple colors available?

Yes. Available finishes are listed in the product's color-selection options.

Is this a complete firearm?

Yes. It requires transfer through a licensed Federal Firearms Licensee.

Product Image Notice

Images may not be the exact representation of the product.

FFL Transfer

This firearm must ship to a licensed Federal Firearms Licensee (FFL) for transfer. Applicable federal, state, and local requirements govern eligibility and transfer.