Moriarti AR-45 .45 ACP 4" Slick Side Cone Upper Assembly with BCG and Charging Handle – Non-LRBHO

Uppers

AR-45 .45 ACP 4" Slick Side Cone Upper / BCG and Charging Handle / Non-LRBHO – Moriarti Armaments

The AR-45 .45 ACP 4" Slick Side Cone Upper from Moriarti Armaments is engineered for compact .45 ACP firepower in a minimalist design. Built on a non-LRBHO billet upper, this CA-compliant setup includes a 4-inch match barrel, cone muzzle device, M-LOK rail, ramped BCG, and charging handle—all pre-assembled for your convenience.

Features

Barrel:

• 4-inch match grade barrel chambered in .45 ACP

• 4150 CrMoV steel, black nitride finish

• 1:16 twist rate

• Threaded 5/8x24 with included cone muzzle device

• Integrated feed ramp

• Blowback operation

Upper Receiver:

• Slick side billet upper made from 7075-T6 aircraft-grade aluminum

• Type III Class 2 hardcoat anodized

• No dust cover or forward assist

• Compatible with AR-15, AR-9, and AR-45 mil-spec components

Gas System:

• Blowback system optimized for pistol caliber reliability

Handguard:

• 4-inch lightweight free-floating M-LOK handguard

• Aircraft-grade aluminum, black anodized finish

Bolt Carrier Group:

• Ramped BCG

• US-made 8620 steel, phosphate finish

• Precision milled for Glock and Colt style AR-45 lower receivers

• M16 cut

Charging Handle:

• Standard AR-15 charging handle included

For optimal performance, we recommend pairing this upper with a minimum 8 oz heavy buffer. Images may not be the exact representation of the product.

Looking for more options? View the AR-45 .45 ACP 16" Slick Side M-LOK Upper with LRBHO – Moriarti Armaments.