Moriarti MA-15 10.5″ AR-15 Pistol – SBPDW Brace | 5.56 / 300 BLK / 7.62×39

5.56 NATO &.223 Wylde

Moriarti MA-15 10.5″ AR-15 Pistol with SBPDW Brace – 5.56 NATO / .300 Blackout / 7.62×39

The Moriarti MA-15 10.5″ AR-15 Pistol features an all-black configuration with the SB Tactical SBPDW brace, a 10-inch geometric M-LOK handguard, and a 10.5-inch 4150 CMV nitride barrel.

Available in 5.56 NATO, .300 Blackout, and 7.62×39, this model combines 7075 aluminum upper and lower receivers, an M16-cut nitride bolt carrier group, and an A2-style flash hider.

The SBPDW brace features a compact, collapsible design with a distinctive dual-rod profile. The 10-inch handguard features angular ventilation cutouts, M-LOK accessory mounting slots, and a continuous top Picatinny rail.

Each caliber is offered with its corresponding barrel twist rate, gas system, and muzzle thread specification.

Key Features

• Three Caliber Options: 5.56 NATO, .300 Blackout, and 7.62×39

• 10.5″ Barrel: 4150 Chrome Moly Vanadium steel with nitride finish

• 7075 Aluminum Receivers: Upper and lower receiver construction

• SB Tactical SBPDW Brace: Compact, collapsible pistol brace

• 10″ M-LOK Handguard: Black geometric-cutout design

• M16-Cut Bolt Carrier Group: Nitride finish

• Caliber-Specific Gas Systems: Carbine-length or pistol-length, depending on selection

• A2-Style Flash Hider: Included on all three configurations

• All-Black Finish: Matching receiver, handguard, brace, and furniture

• Included Magazine: One 30-round magazine

Specifications

Caliber-Specific Specifications

Package Includes

• One Moriarti MA-15 10.5″ semi-automatic AR-15 pistol in the selected caliber

• One installed SB Tactical SBPDW brace

• One installed A2-style flash hider

• One 30-round magazine

Frequently Asked Questions

What calibers are available for the Moriarti MA-15 10.5″ pistol?

This model is available in 5.56 NATO, .300 Blackout, and 7.62×39. The selected caliber determines the barrel twist rate, gas system, and muzzle thread specification.

What is the difference between the three caliber configurations?

All three configurations share the 10.5-inch barrel length, SBPDW brace, 10-inch M-LOK handguard, and all-black appearance. The barrel twist rates, gas systems, and muzzle threads differ according to caliber.

What brace comes installed on this pistol?

The Moriarti MA-15 is equipped with an SB Tactical SBPDW collapsible pistol brace.

What is the barrel twist rate for each caliber?

The 5.56 NATO and .300 Blackout configurations feature 1:7 twist barrels. The 7.62×39 configuration features a 1:10 twist barrel.

Does the .300 Blackout configuration use the same gas system as the 5.56 model?

No. The .300 Blackout configuration uses a pistol-length gas system. The 5.56 NATO and 7.62×39 configurations use carbine-length gas systems.

What barrel threads are used?

The 5.56 NATO configuration has 1/2×28 barrel threads. The .300 Blackout and 7.62×39 configurations have 5/8×24 barrel threads.

What handguard is included?

The pistol features a 10-inch black geometric-cutout M-LOK handguard with a continuous top Picatinny rail.

Is a magazine included?

Yes. One 30-round magazine is included, subject to applicable state and local magazine-capacity restrictions.

Does this firearm require an FFL transfer?

Yes. This is a complete firearm and requires transfer through a licensed FFL dealer.

FFL Transfer Notice

This product is a complete firearm and must be transferred through a Federal Firearms Licensee (FFL). All purchases and transfers are subject to applicable federal, state, and local laws. Magazine-capacity restrictions may apply.

Product Image Notice

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