Moriarti AR-45 .45 ACP 16" Slick Side Lightweight Upper with Diverter, BCG and Charging Handle – Non-LRBHO

Uppers

AR-45 .45 ACP 16" Lightweight Upper with Diverter – Slick Side, BCG and CH | Moriarti Armaments

Moriarti Armaments presents a lightweight, full-length upper designed for power, precision, and clean aesthetics. The AR-45 16" Slick Side Lightweight Upper delivers optimal performance with a 16" match-grade barrel, a non-LRBHO slick side receiver, and a precision-cut ramped BCG. Whether you’re upgrading your build or starting fresh, this upper is a reliable .45 ACP solution engineered for excellence.

Features

Barrel:

• 16" match-grade barrel chambered in .45 ACP

• 4150 CrMoV steel, black nitride finish

• 1:16 twist rate

• 5/8x24 threads with diverter muzzle brake

• Integrated feed ramp (blowback)

Upper Receiver:

• Slick side billet upper, non-LRBHO

• No dust cover or forward assist

• 7075-T6 aircraft-grade aluminum construction

• MIL-8625 Type III Class 2 anodized

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

Gas System:

• Blowback operation for smooth cycling and reduced recoil

Handguard:

• 15" free-floating M-LOK rail

• Slim profile

• Lightweight aircraft aluminum with hardcoat anodized finish

• Note: Rail M-LOK design may vary slightly, maintaining equal quality

Bolt Carrier Group (BCG):

• Ramped AR-45 BCG

• 8620 steel with phosphate finish

• Precision milled for Glock-style or traditional AR-45 lowers

• M16 cut

Charging Handle:

• Standard MIL-SPEC AR-15 CH included

This upper comes fully assembled and test-fired for reliability and performance. Combine it with a compatible lower from our AR-45 Lower Receivers collection for a complete build. Images may not be the exact representation of the product.