Uppers
Moriarti Arms provides a wide selection of high-quality Upper Assemblies at unbeatable prices. Unleash your inner armorer by building your own pistol caliber AR from scratch or upgrading your current setup with top-tier components.
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AR-40 4" Side Charging LRBHO Pistol Upper with BCG - .40 S&W | Moriarti Armaments
The AR-40 4" Side Charging LRBHO Pistol Cal Complete Upper Assembly in .40 S&W is designed for u..
AR-40 4" Slick Side LRBHO Pistol Upper with BCG - .40 S&W | Moriarti Armaments
The AR-40 4" Slick Side LRBHO Pistol Cone Complete Upper Assembly with BCG in .40 S&W is the per..
-20%
AR-40 4" Slick Side Pistol Upper with Diverter, BCG & Charging Handle - Choose Color
Build your perfect AR-40 pistol with this 4" Slick Side Upper in .40 S&W, featuring a muzzle bla..
-26%
AR-40 4" Slick Side Pistol Upper | .40 S&W | Flash Can, BCG & Charging Handle, Non-LRBHO
The AR-40 4" Slick Side Pistol Upper is a high-performance upper assembly chambered in .40 S&W, ..
-43%
AR-PCC Moriarti Duo TakeDown Pistol Upper Assembly | 8" | 9mm & 380 Complete Combo Set – Advanced Caliber Switch System
AR-PCC Moriarti Duo TakeDown Pistol Upper Assembly | 8" | 9mm & 380 Complete Combo Set – Advance..
AR 10MM 10.5" SLICK SIDE PREMIUM UPPER ASSEMBLY / LRBHO / BCG & CH
AR 10MM 10.5" 'SLICK SIDE' PREMIUM COMPLETE UPPER RECEIVER IS BUILD ON A SLICK SIDE BILLET..
AR 10MM 10″ Pistol Caliber Side Charging Complete Upper / BCG / LRBHO
AR 10MM 10″ Pistol Caliber Side Charging LRBHO Complete Upper with BCG – 10mm IS BUILD ON..
AR 10MM 10″ Pistol Caliber Side Charging Complete Upper / BCG / LRBHO / OD Green
AR 10MM 10″ Pistol Caliber Side Charging Complete Upper / BCG / LRBHO / OD Green IS BUILD ON&nb..
-17%
AR 10MM 12.5″ Slick Side Cone Complete Upper W/ BCG and CH – 10mm, Non-LRBHO
AR 10MM 12.5″ Slick Side Cone Complete Upper W/ BCG and CH – 10mm, Non-LRBHO IS BUILD ON&n..
AR 10MM 16" Complete Upper Assembly with BCG / Side Charger / LRBHO
AR 10MM 16" Pistol Caliber Side Charging Complete Upper – 10mm IS BUILD ON A NON RECIPROCA..
AR 10MM 16" SLICK SIDE PREMIUM M-LOK UPPER ASSEMBLY / BCG & CH /LRBHO
AR 10MM 16" 'SLICK SIDE' PREMIUM COMPLETE M-LOK UPPER RECEIVER IS BUILD ON A SLICK SIDE BI..
AR 10MM 4″ Pistol Caliber Side Charging Complete Upper / BCG /LRBHO – 10mm
AR 10MM 4″ Pistol Caliber Side Charging LRBHO Complete Upper with BCG – 10mm IS BUILD ON A..
AR 10MM 4″ Slick Side Complete Upper W/ BCG and CH/LRBHO – 10mm
AR 10MM 4″ Pistol Caliber Side Charging LRBHO Complete Upper with BCG – 10mm IS BUILD ON A..
-600x600-228x228.jpg "AR 10MM 4″ Slick Side Cone Complete Upper / BCG and CH – 10mm, Non-LRBHO")
-27%
AR 10MM 4″ Slick Side Cone Complete Upper / BCG and CH – 10mm, Non-LRBHO
AR 10MM 4″ Slick Side Cone Complete Upper W/ BCG and CH – 10mm, Non-LRBHO IS BUILD ON ..
-30%
AR 10MM 8" SLICK SIDE PISTOL UPPER WITH FLASH CAN AND CH / NO BCG / NON-LRBHO
AR 10MM 8" SLICK SIDE PISTOL UPPER WITH FLASH CAN AND CH / NO BCG / NON-LRBHOTHIS UPPER FEATUR..
AR 10MM 8" SLICK SIDE PREMIUM UPPER ASSEMBLY / BCG & CH / LRBHO
AR 10MM 8" 'SLICK SIDE' PREMIUM COMPLETE UPPER RECEIVER IS BUILD ON A SLICK SIDE BILLET UP..
AR 10MM 8″ Pistol Caliber Side Charging Complete Upper / BCG / LRBHO
AR 10MM 8″ Pistol Caliber Side Charging LRBHO Complete Upper with BCG – 10mm IS BUILD ON A..
AR-40 8" Side Charging LRBHO Pistol Cal Complete Upper Assembly with BCG - .40 S&W
The AR-40 8" Side Charging LRBHO Pistol Cal Complete Upper Assembly is designed for maximum performa..
AR-40 8" Slick Side LRBHO Pistol Complete Upper Assembly with BCG & CH - .40 S&W
The AR-40 8" Slick Side LRBHO Pistol Cal Complete Upper Assembly in .40 S&W is designed for thos..
-20%
AR-40 8" Slick Side Pistol Upper with Diverter, BCG & Charging Handle - Choose Color
Build your perfect AR-40 pistol with this 8" Slick Side Upper in .40 S&W, featuring a muzzle bla..
-44%
AR-40 8" Slick Side Pistol Upper with Flash Can & Charging Handle - .40 S&W (No BCG)
The AR-40 8" Slick Side Pistol Upper in .40 S&W is designed for those looking to build a compact..
-25%
AR-45 .45 ACP 16" SLICK SIDE CLAW MLOK UPPER / BCG AND CHARGING HANDLE/NON LRBHO
AR-45 .45 ACP 16" "SLICK SIDE" CLAW MLOK UPPER WITH BCG AND CHARGING HANDLE. THIS UPPER IS BUIL..
AR-45 .45 ACP 16" SLICK SIDE COMPLETE M-LOK UPPER ASSEMBLY/ BCG AND CH /LRBHO
AR-45 .45 ACP 16" SLICK SIDE LRBHO COMPLETE M-LOK UPPER ASSEMBLY IS BUILD ON A SLICK SIDE ..
-18%
AR-45 .45 ACP 4" SLICK SIDE COMPLETE UPPER HALF/AMERICAN FLAG/NON-LRBHO
AR-45 .45 ACP 4" LRBHO "SLICK SIDE" TACTICAL UPPER HALF WITH BCG AND CHARGING HANDLE. THI..
-228x228.jpg "AR-45 .45 ACP 4\" SLICK SIDE CONE UPPER HALF / BCG AND CH / NON-LRBHO")
-228x228.jpg "AR-45 .45 ACP 4\" SLICK SIDE CONE UPPER HALF / BCG AND CH / NON-LRBHO")
-9%
AR-45 .45 ACP 4" SLICK SIDE CONE UPPER HALF / BCG AND CH / NON-LRBHO
AR-45 .45 ACP 4" 'SLICK SIDE' CONE UPPER HALF WITH RAMPED BCG AND CHARGING HANDLE. THIS UPPER I..
AR-45 .45 ACP 7.5" Slick Side Pistol Upper Half with BCG and Charging Handle / LRBHO
AR-45 .45 ACP 7.5" Slick Side Pistol Upper Half with BCG and Charging Handle / LRBHOUpgrade your AR-..
-20%
AR-45 .45 ACP 7.5" SLICK SIDE UPPER HALF / BCG AND CH/ NON-LRBHO
AR-45 .45 ACP 7.5" 'SLICK SIDE' UPPER HALF WITH BCG AND CHARGING HANDLE. THIS UPPER IS BUILD ON..
AR-45 .45 ACP 8" PISTOL SIDE CHARGING UPPER / BCG /LRBHO / MLOK
AR-45 .45 ACP 8" LRBHO SIDE CHARGING UPPER WITH BCG. THIS UPPER IS BUILD ON SIDE CHARGING ..
-228x228.jpg "AR-45 .45 ACP 8\" SLICK SIDE CONE PISTOL UPPER HALF WITH BCG AND CHARGING HANDLE / LRBHO")
AR-45 .45 ACP 8" SLICK SIDE CONE PISTOL UPPER HALF WITH BCG AND CHARGING HANDLE / LRBHO
AR-45 .45 ACP 8" LRBHO "SLICK SIDE" CONE PISTOL UPPER HALF WITH RAMPED BCG AND CHARGING HANDLE.&nb..
-600x600-228x228.jpg "AR-45 10.5\" SLICK SIDE COMPLETE UPPER ASSEMBLY /BCG AND CH / LRBHO")
AR-45 10.5" SLICK SIDE COMPLETE UPPER ASSEMBLY /BCG AND CH / LRBHO
AR-40 10.5" SLICK SIDE LRBHO COMPLETE UPPER ASSEMBLY WITH BCG AND CH - BUILD ON A SLICK SI..
AR-45 16" Side Charging Complete Upper Assembly /BCG /LRBHO- .45 ACP
AR-45 16" Side Charging LRBHO Complete Upper Assembly with BCG IS BUILD ON A NON REC..
-17%
AR-45 16" SLICK SIDE LIGHTWEIGHT UPPER HALF / BCG AND CH/ DIVERTER / NON-LRBHO
AR-45 16" SLICK SIDE LIGHTWEIGHT UPPER HALF / BCG AND CH/ DIVERTER / NON-LRBHOFEATURES:BARREL -..
AR-45 4" Side Charging Pistol Complete Upper Assembly / BCG /LRBHO - .45 ACP
AR-45 4" Side Charging LRBHO Pistol Cal Complete Upper Assembly with BCG - .45 ACP IS BUI..
-9%
AR-45 45 ACP 4″ Slick Side Complete Upper / BCG and CH /LRBHO
AR-45 45ACP 4″ LRBHO “Slick Side” Complete Upper W/ BCG and CH IS BUILD ON A NO..
AR-9 5.5" Side Charging Pistol Complete Upper Assembly / BCG / LRBHO
AR-9 5.5" Side Charging LRBHO Pistol Cal Complete Upper Assembly with BCG - 9MM IS BUILD ..
-22%
AR-9 5.5" Slick Side Complete Upper Assembly / BCG and CH / LRBHO
AR-9 5.5" LRBHO Slick Side Complete Upper Assembly with BCG and CH - 9MM IS BUILD ON A BIL..
-20%
AR-9 5.5" SLICK SIDE PISTOL UPPER / SOCOM / BCG AND CHARGING HANDLE / NON LRBHO
AR-9 5.5" 'SLICK SIDE' PISTOL UPPER WITH SOCOM FAKE SUPPRESSOR, BCG AND CHARGING HANDLE. ..
-20%
AR-9 5.5" SLICK SIDE' MICRO PISTOL UPPER / BCG & CH / NON - LRBHO
AR-9 5.5" 'SLICK SIDE' MICRO PISTOL UPPER WITH HYBRID BCG AND CHARGING HANDLE. NON-LRBHO Ba..
AR-9 9MM 10.5" Predator Side Charging Pistol Cal Complete Upper Assembly / BCG / LRBHO
AR-9 9MM 10.5" Predator Side Charging Pistol Cal Complete Upper Assembly / BCG / LRBHO IS BUILD ON&n..
-33%
AR-9 9MM 10.5" PREMIUM UPPER HALF / BCG AND CHARGING HANDLE / SHROUD / NON LRBHO
9MM 10" SLIM PREMIUM UPPER HALF IS YOUR PERFECT CHOICE FOR 9MM AR UPGRADE. FITS MOST 9MM AR LOWER RE..
-40%
AR-9 9MM 10.5" TANKER PISTOL UPPER / BCG AND CHARGING HANDLE / MLOK
AR-9 9MM 10.5" TANKER PISTOL UPPER / BCG AND CHARGING HANDLE / MLOK - WE CURRENTLY MAKE THESE ..
AR-9 9MM 16" Side Charging Complete Upper Assembly / BCG / MLOK / Tanker / LRBHO
AR-9 16" Side Charging LRBHO Complete Upper Assembly with BCG - 9MM IS BUILD ON A NON RECI..
-11%
AR-9 9MM 16" Slick Side Complete Upper Assembly / BCG and CH /LRBHO
AR-9 16" LRBHO Slick Side Complete Upper Assembly with BCG and CH - 9MM IS BUILD ON A BILL..
-20%
AR-9 9MM 16" UPPER HALF /12" MLOK / BCG AND CHARGING HANDLE
AR-9 9MM 16" UPPER HALF /12" MLOK / BCG AND CHARGING HANDLEBARREL - 16" 4150 CMV STEEL STRAIGHT..
-40%
AR-9 9MM 16" XTREME SLIM UPPER HALF / BCG AND CH / MLOK / SHROUD
AR-9 9MM 16" XTREME SLIM UPPER HALF / BCG AND CH / MLOK / SHROUD IS YOUR PERFECT CHOICE FOR 9MM RIFL..
-40%
AR-9 9MM 4.5" PISTOL LENGTH COMPLETE UPPER /MLOK /FLASH CAN/NON-LRBHO/AMERICAN FLAG
AR-9 9MM 4.5" PISTOL LENGTH COMPLETE UPPER /MLOK /FLASH CAN/NON-LRBHO MADE ON SLICK SIDE UPPER RECEI..
-30%
AR-9 9MM 4.5" PISTOL UPPER ASSEMBLY / BCG and CH / SLICK / NON LRBHO
AR-9 9MM 4.5" PISTOL UPPER ASSEMBLY / BCG and CH / SLICK / NON LRBHO - This setup merges the ve..
-600x600-600x600%20(1)-228x228.jpg "AR-9 9MM 4.5\" PISTOL UPPER ASSEMBLY / FLASH CAN, BCG & CH / NON LRBHO")
-228x228.JPG "AR-9 9MM 4.5\" PISTOL UPPER ASSEMBLY / FLASH CAN, BCG & CH / NON LRBHO")
-30%
AR-9 9MM 4.5" PISTOL UPPER ASSEMBLY / FLASH CAN, BCG & CH / NON LRBHO
AR-9 4.5" PISTOL UPPER / FLASH CAN, BCG AND CHARGING HANDLE / NON LRBHO (LOWER IS NOT INCLUDED..
-14%
AR-9 9MM 4.5" SLICK SIDE COMPLETE UPPER ASSEMBLY / BCG AND CH /LRBHO
AR-9 9MM 4.5" LRBHO SLICK SIDE COMPLETE UPPER ASSEMBLY WITH BCG AND CH IS BUILD ON A..
-40%
AR-9 9MM 4.5" SLICK SIDE MICRO PISTOL UPPER /SHROUD / BCG & CH / NON-LRBHO
AR-9 9MM 4.5" SLICK SIDE MICRO PISTOL UPPER /SHROUD / BCG & CH / NON-LRBHO Barrel Length: 4.5..