Micro ARP 10MM
Micro ARP 10mm builds combine the compact size of a pistol-caliber AR platform with the impressive energy of the 10mm cartridge. Designed for shooters seeking increased power over traditional PCC calibers, these compact AR builds offer excellent performance in a maneuverable package.
The 10mm Auto cartridge has earned a strong reputation for its velocity, energy, and versatility. When paired with a Micro ARP platform, it creates a powerful firearm suitable for recreational shooting, outdoor use, home defense, and custom AR projects.
Browse our selection of Micro ARP 10mm pistols, uppers, barrels, and components built for reliability and performance.
-20%
AR-10mm 5.5" Slick Side Pistol Upper with Diverter, BCG & Charging Handle - Choose Color
Build your perfect AR-10mm pistol with this 5.5" Slick Side Upper in 10mm, featuring a muzzle blast ..
-40%
Moriarti AR-10MM 5.5" Slick Side Micro Pistol Complete Upper / Shroud / BCG & Charging Handle - Non-LRBHO
Key Features5.5-inch 10mm barrel, 4150 CrMoV steel, nitride finish, 1:16 twist, 5/8x24 thread pitch5..
-28%
AR-10MM 5.5" Micro ARP 10mm AR-15 Pistol Kit /Slick / Suppressor Ready
This Micro ARP 10mm AR-15 Pistol Build Kit is configured for the SBR Ready designation. The kit cent..
-36%
AR-10MM 5.5" MLOK COMPLETE PISTOL KIT /SLICK SIDE / NON-LRBHO
Moriarti Arms, Blow Back, 10MM, 5.5" Barrel, Black Finish, Slick side upper, Non-LRBHO, Mlok, Glock ..
-600x600-228x228.webp "AR-10MM 4\" Slick Side Complete Cone Upper – M-LOK, Non-LRBHO | Moriarti Arms")
-27%
AR-10MM 4" Slick Side Complete Cone Upper – M-LOK, Non-LRBHO | Moriarti Arms
Built for compact power and sleek design, the AR-10MM 4" Slick Side Cone Complete Upper by Moriarti ..
AR-10MM 5" Slick Side Complete Upper | LRBHO | Micro ARP | Moriarti Armaments
Experience the power of 10mm Auto in an ultra-compact package with the Moriarti AR-10MM 5" Slick Sid..
-22%
MA-10MM 4" Micro Glock Style Pistol / Custom Anodized Colors / Non-LRBHO
CURRENT ETA: 6-8 WEEKSIntroducing the MA-10MM 4" Micro Glock Style Pistol — your compact and customi..
-25%
Moriarti Arms AR-10MM 4" Micro Glock Style Pistol | Anodized Black | Non-LRBHO | Blowback
The Moriarti Arms AR-10MM 4" Micro Glock Style Pistol offers superior power and precision in a compa..
-29%
AR-10MM 4.5" MLOK COMPLETE PISTOL KIT /SLICK SIDE/NON-LRBHO
Moriarti Arms, Blow Back, 10MM, 4.5" Barrel, Black Finish, Slick side upper, Non-LRBHO, Mlok, Glock ..