The Moriarti Micro ARP AR-15 5" Centurion Semi-Auto Pistol is built for shooters who demand premium performance from an ultra-compact AR platform. Featuring Moriarti's distinctive Centurion Series styling, this ARP pistol combines lightweight construction, premium American-made components, and exceptional reliability in one of the most compact AR platforms available.
Available in multiple calibers and anodized color options, the Micro ARP can be configured to match your shooting style and preferences. Whether you choose 5.56 NATO, 300 AAC Blackout, 7.62x39, or another available caliber, you'll enjoy the familiar ergonomics of the AR-15 in a highly maneuverable mini ARP platform.
Perfect for enthusiasts looking to build a custom collection or own a compact micro AR pistol, the Centurion Series delivers the quality, modularity, and craftsmanship that define Moriarti Armaments.
Barrel: 5" 4150 CMV Steel Government Profile Barrel, stress-relieved and hardened to 26-32 RC for enhanced durability. Chambered in 5.56 NATO (compatible with 5.56 and .223 Rem rounds), featuring a 1-5 RH twist and threaded 1/2x28. 300 blk and 7.62x39 cal are 5/8x24 TPI. The barrel is completed with a Centurion Brake to improve recoil management and accuracy.
Upper Receiver: Moriarti Forged AR-15 Upper Receiver, mil-spec anodized black, equipped with a dust cover and forward assist for flawless operation in any environment.
Gas System: Micro Gas System with a steel gas block, offering reliable cycling in a compact configuration.
Handguards: 4" Free Floating Slim M-LOK Handguard made from aircraft-grade aluminum. Lightweight, durable, and perfect for adding accessories to your micro pistol.
Bolt Carrier Group: M16 BCG, nitride-treated, properly staked gas key, and serrated for smooth cycling and exceptional durability.
Stock: Micro System Buffer Tube with a staked castle nut, designed for compactness and strength, ensuring maximum stability and reliability.
Grip: Skeletonized Grip, anodized for extra strength and comfort while reducing weight for improved handling.
Lower Receiver: MA-15 Forged Lower Receiver completed with mil-spec AR-15 aluminum lower parts, ensuring a solid and durable foundation for your pistol.
Magazine: Included, with a capacity depending on your state laws—either 30rd or 10rd.
Custom Color Options: Choose from Red, Clear, Tungsten, Blue, Purple, or Black for your rail, buffer tube, and grip for ultimate personalization.
7.62x39 Model: The 7.62x39 model is specially modified with an enhanced firing pin and heavy spring to provide maximum performance. The 4" Micro Buffer Tube is used to accommodate this caliber. Only brass ammo is recommended and warranted for optimal function.
FFL Transfer Requirement: This firearm must be shipped to an FFL (Federal Firearms License) dealer. Please ensure your FFL dealer emails a signed copy of their FFL to info@moriartiamenments.com, including your invoice number for order processing. Orders will not be processed until the signed FFL copy is received.
Why Choose the AR-15 Moriarti 5" Micro Pistol?
The best caliber depends on your intended use. 300 AAC Blackout is popular for compact and suppressor-ready builds, 5.56 NATO offers broad ammunition availability, 7.62x39 provides increased energy, and 338 ARC is designed for shooters seeking enhanced ballistic performance. Choosing the right caliber allows you to tailor your Micro ARP to your shooting goals.
Elevate your shooting game with the AR-15 Moriarti 5" Micro Pistol. Customizable, durable, and powerful—this pistol delivers top-tier performance in a compact design. Order now and make it your own!