MMC 'MOAB Gen 5' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit

.45 ACP / 11.43x23mm

This Pistol Upper Build Kit is chambered in .45 ACP. .45 ACP is an iconic round and is often associated with timeless classics like the 1911, or Tommy Gun. In recent years, it has been adopted by the AR Platform. With this Upper Build Kit, you can experience the iconic .45 ACP while staying with the familiar AR platform.

ELD Performance AR-15 4.5", .45ACP, .578x28, Medium profile, 1-16T, 4150 CrMoV, Nitride Barrel

Introducing the ELD Performance AR-15 Mainstay, a high-quality barrel designed for pistol caliber AR builds. With a caliber of .45 ACP and a length of 4.5 inches, this barrel is perfect for compact and maneuverable builds. The medium profile design of this barrel is optimized for accuracy while maintaining a lightweight feel. The Mainstay is constructed from 4150 Chrome Moly Vanadium and is finished with a durable Nitride finish, ensuring durability and longevity. Additionally, the barrel is precision machined with a 1:16 twist rate, allowing for exceptional accuracy and consistent performance. The .578x28 thread pitch is compatible with most standard muzzle devices. Whether you're building a pistol caliber carbine for home defense or competition shooting, the ELD Performance AR-15 Mainstay barrel is an excellent choice. With its high-quality construction, optimized design, and precise machining, this barrel is sure to deliver reliable performance for years to come.

KAK Industry .45 ACP Compensator .578-28 thread

The KAK Industry .45 ACP Compensator has a .578-28 thread and a clean, classic design. It’s made from high-strength material with corrosion corrosion-resistant finish making it reliable and durable.

Davidson Defense Enhanced Pistol Caliber AR-15 Billet Upper Receiver

This Build Features The "Vertex" Pistol AR-15 Caliber Billet Upper Receiver. The Vertex Upper Is Machined Out Of A Single Block Of 7075 T6 Billet Aluminum To Create Its Intricate Lines And Angles And Finished With A Hard Coat of Black Anodization. The Vertex Upper Was Designed To Be Used With Pistol Calibers Specifically And As A Result Doesn't Have A Dust Door Or Forward Assist. This Was Done To Save Weight As Well as Improve Functionality And Reliability By Focusing On A Simple Design That Has Fewer Moving Parts And Therefore Fewer Parts That Can Break, All The While Not Compromising On Strength And Durability. This Upper Will Fit On A Traditional Mil-spec Lower Receiver Or A Pistol Caliber Specific Lower Receiver.

Gauntlet Arms "Ace Series" AR-15 4" M-Lok Freefloat Handguard

This Upper Features A Premium 4" Lakota Ops ACE Series M-Lok Handguard. This Handguard Is Made From The Highest Grade 6061-T6 Aluminum And Is Reinforced With Class 2 Type III Black Hard Anodizing. With M-Lok Cutouts On The Sides, This USA Made Handguard Will Allow You To Mount A Variety Of Accessories.