Moriarti AR-45 .45 ACP 10.5" Slick Side Complete Upper Assembly with BCG and Charging Handle – LRBHO

Uppers

AR-45 .45 ACP 10.5" Upper – Complete Slick Side w/ LRBHO | Moriarti Armaments

The AR-45 .45 ACP 10.5" complete upper from Moriarti Armaments offers power, reliability, and precision for your pistol-caliber AR build. Engineered with a billet slick side upper and last round bolt hold open (LRBHO) compatibility, this upper comes fully assembled and includes a bolt carrier group and charging handle for a complete drop-in solution.

Features

Barrel:

• 10.5" match grade barrel chambered in .45 ACP

• 4150 CMV steel construction

• 1:16 twist rate

• Threaded 0.578x28

• A2 flash hider included

• Black nitride finish for durability

• Integrated feed ramp (blowback)

Upper Receiver:

• Slick side billet design with LRBHO

• Made from 7075-T6 aircraft-grade aluminum

• Hardcoat anodized to MIL-8625 Type III Class 2

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

Gas System:

• Blowback operated for pistol caliber functionality

Handguard:

• 10" lightweight, slim M-LOK free-floating rail

• Aircraft-grade aluminum

• Hardcoat anodized black finish

Bolt Carrier Group (BCG):

• Ramped .45 ACP BCG (Glock/Colt compatible)

• 8620 steel, phosphate finish

• M16-cut

• Precision milled for Glock-style AR-45 lowers

Charging Handle:

• Standard MIL-SPEC AR-15 CH included

Assembly:

• Fully assembled and test-fired

• Made in the USA by Moriarti Armaments

To pair this upper with compatible lowers and parts, browse the Moriarti AR-45 Build Kits.