Moriarti AR-45 .45 ACP 4" Slick Side Tactical Upper with BCG and American Flag Charging Handle – Non-LRBHO

Uppers

AR-45 .45 ACP 4" Slick Side Tactical Upper / American Flag Charging Handle / Non-LRBHO – Moriarti Armaments

The AR-45 .45 ACP 4" Slick Side Tactical Upper from Moriarti Armaments is designed for compact performance and sleek aesthetics. Built on a billet slick side receiver with no LRBHO (last round bolt hold open), this upper comes fully assembled with premium components, including a mini cone muzzle device and American flag charging handle.

Features

Barrel:

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

• 4150 CrMoV steel, black nitride finish

• 1:16 twist rate

• Threaded 5/8x24, includes aluminum mini cone muzzle device

• Integrated feed ramp, blowback operation

Upper Receiver:

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

• Type III Class 2 black hardcoat anodized

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

Gas System:

• Blowback system for reliable cycling with .45 ACP

Handguard:

• 4 inch slim-profile free-float M-LOK handguard

• Aircraft-quality aluminum, black hardcoat anodized

Bolt Carrier Group:

• AR-45 ramped BCG

• US-made 8620 steel with phosphate finish

• Precision milled for Glock and Colt style .45 ACP lowers

• M16 cut

Charging Handle:

• American flag laser-engraved standard AR-15 charging handle included

Upper assembly comes complete and ready to drop into your AR-45 lower. As with all .45 ACP builds, a heavy buffer is recommended for optimal cycling and performance.

Looking for a full-size build? See the AR-45 .45 ACP 16" Slick Side M-LOK Upper with LRBHO – Moriarti Armaments.