AR-9 / AR-45 / AR-40 / 10MM

Based on popular demand, Moriarti Armaments is now offering AR-9,  AR-45 , 10mm, and AR-40 rifles, pistols, build kits and accessories.  Choose pre-build options carefully selected from top notch US Manufacturers or build your own desired rifle.

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  • AR 10MM 16" MA-10MM Keymod LRBHO Slick Side Rifle Kit
    AR 10MM 16" MA-10MM Slick Side Rifle Kit LRBHOAR 10mm 16" LRBHO "SLICK SIDE" RIFLE KIT IS BUILD ON A SLICK SIDE BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN) FEATURE.  KIT COMES WITH EVERYTHING YOU NEED TO COMPLETE YOUR 10MM BUILD EXCEPT  THE LOWER RECEIVER, C..
    AR 10MM 16" MA-10MM Slick Side Rifle Kit LRBHOAR 10mm 16" LRBHO "SL...
    $569.95$759.95
  • AR 10MM 16" Side Charging LRBHO Complete Upper Assembly with BCG – 10mm
    AR 10MM 16" Pistol Caliber Side Charging Complete Upper – 10mm IS BUILD ON A NON RECIPROCATING SIDE CHARGING BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  WEIGHT: 4.2 LB 16" 10MM LRBHO UPPER FEATURES: BARREL - 16" 10MM MATCH GRADE AR BARREL. 4150 CROMOLY ..
    AR 10MM 16" Pistol Caliber Side Charging Complete Upper – 10mm ...
    $599.95$624.95
  • AR 10MM 16" SLICK SIDE LRBHO PREMIUM COMPLETE M-LOK UPPER ASSEMBLY
    AR 10MM 16" 'SLICK SIDE' PREMIUM COMPLETE M-LOK UPPER RECEIVER IS BUILD ON A SLICK SIDE BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).   16" 10MM LRBHO UPPER FEATURES: BARREL - 16" 10MM MATCH GRADE AR BARREL. 4150 CROMOLY STEEL. BLACK NITRIDE FINISH. CHAMBE..
    AR 10MM 16" 'SLICK SIDE' PREMIUM COMPLETE M-LOK UPPER RECEIVER ...
    $469.95$599.99
  • AR 10MM 4″ LRBHO  “Slick Side” Complete Upper W/ BCG and CH – 10mm
    AR 10MM 4″ Pistol Caliber Side Charging LRBHO Complete Upper with BCG – 10mm IS BUILD ON A NON RECIPROCATING LAST ROUND BOLT HOLD OPEN BILLET UPPER RECEIVER.  WEIGHT: 3.2 LB 4" 10MM LRBHO UPPER FEATURES: BARREL - 4" 10MM MATCH GRADE AR BARREL. 4150 CROMOLY STEEL. BLACK NIT..
    AR 10MM 4″ Pistol Caliber Side Charging LRBHO Complete Upper with B...
    $424.95$499.95
  • AR 10MM 4″ Pistol Caliber Side Charging LRBHO Complete Upper with BCG – 10mm
    AR 10MM 4″ Pistol Caliber Side Charging LRBHO Complete Upper with BCG – 10mm IS BUILD ON A NON RECIPROCATING SIDE CHARGING BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  WEIGHT: 3.2 LB 4" 10MM LRBHO UPPER FEATURES: BARREL - 4" 10MM MATCH GRADE AR BARREL. 4..
    AR 10MM 4″ Pistol Caliber Side Charging LRBHO Complete Upper with B...
    $569.95$599.95
  • AR 10mm 8" LRBHO "SLICK SIDE" PREMIUM CONE KEYMOD PISTOL KIT
    AR 10mm 8" LRBHO "SLICK SIDE" PREMIUM CONE KEYMOD PISTOL KIT IS BUILD ON A SLICK SIDE BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  KIT COMES WITH EVERYTHING YOU NEED TO COMPLETE YOUR 10mm BUILD EXCEPT LOWER RECEIVER, CAN BE PURCHASED SEPARATELY. This kit is co..
    AR 10mm 8" LRBHO "SLICK SIDE" PREMIUM CONE KEYMOD PISTOL KIT I...
    $599.95$759.99
  • AR 10MM 8" SLICK SIDE LRBHO PREMIUM COMPLETE UPPER ASSEMBLY
    AR 10MM 8" 'SLICK SIDE' PREMIUM COMPLETE UPPER RECEIVER IS BUILD ON A SLICK SIDE BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).   8" 10MM LRBHO UPPER FEATURES: BARREL - 8" 10MM MATCH GRADE AR BARREL. 4150 CROMOLY STEEL. BLACK NITRIDE FINISH. CHAMBERED IN 10..
    AR 10MM 8" 'SLICK SIDE' PREMIUM COMPLETE UPPER RECEIVER IS BUI...
    $449.95$599.99
  • AR 10MM 8″ Pistol Caliber Side Charging LRBHO Complete Upper with BCG – 10mm
    AR 10MM 8″ Pistol Caliber Side Charging LRBHO Complete Upper with BCG – 10mm IS BUILD ON A NON RECIPROCATING SIDE CHARGING BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).   8" 10MM LRBHO UPPER FEATURES: BARREL - 8" 10MM MATCH GRADE AR BARREL. 4150 CROMOLY ST..
    AR 10MM 8″ Pistol Caliber Side Charging LRBHO Complete Upper with B...
    $599.95
  • AR 10MM Moriarti Arms 16" MA-10MM Slick Side Rifle LRBHO
    AR 10MM Moriarti Arms 16" MA-10MM Slick Side Rifle, LRBHO (Last Round Bolt Hold Open) Moriarti Arms, Blow Back, 10MM, 16" Barrel, 5/8x24, 1:16 Twist, Black Finish, LRBHOPicture shows quadrail free float handguard. Available also in slim keymod and mlok option.PRODUCT SPECIFICATIONSManufacturer:&n..
    AR 10MM Moriarti Arms 16" MA-10MM Slick Side Rifle, LRBHO (Last Rou...
    $999.95$1,150.00
  • AR 10MM Moriarti Arms 4" MA-10MM Side Charging Pistol LRBHO
    AR 10MM Moriarti Arms 4" MA-10MM Side Charging Pistol LRBHO Moriarti Arms, Blow Back, 10MM, 4" Barrel, 1:16 Twist, Black Finish, Cone Muzzle Brake, Side Charger, Last Round Bolt Hold OpenPRODUCT SPECIFICATIONSManufacturer: Moriarti ArmamentsModel: MA-10M-4-LRBHOAction: Blow BackTyp..
    AR 10MM Moriarti Arms 4" MA-10MM Side Charging Pistol LRBHO Mori...
    $999.95$1,250.00
  • AR 9 NITRIDE HYBRID BOLT CARRIER GROUP  COMPLETE BCG
    AR 9 NITRIDE HYBRID BOLT CARRIER GROUP  COMPLETE BCG. Compatable with 9mm Conversion Kits and  9mm billet lowers that accept GLOCK®-style magazines.MIL-SPEC 8620 SteelExternal ExtractorDust Cover CompatibleTotal Weight : 14.9 OuncesUSA MadeFully Heat TreatedQPQ Salt Bath Nitride ..
    AR 9 NITRIDE HYBRID BOLT CARRIER GROUP  COMPLETE BCG. Com...
    $149.95
  • AR-40 .40 S&W / 10mm Bolt Carrier Group – BCG (Glock Compatible)
    AR-40 .40 S&W / 10mm Bolt Carrier Group – BCG (Glock Compatible)Model: AR-40 Standard .40 S&W BCG (Glock Compatible)Caliber: .40 cal / 10mmWeight: 14.3 ozAR-40 .40 S&W / 10mm Bolt Carrier Group – BCG (Glock Compatible)US Made 8620 steel with mag phosphate finishRamped..
    AR-40 .40 S&W / 10mm Bolt Carrier Group – BCG (Glock Compatible...
    $149.95
  • AR-40 12" Side Charging LRBHO Pistol Cal Complete Upper Assembly with BCG - .40 S&W
    AR-40 12" Side Charging LRBHO Pistol Cal Complete Upper Assembly with BCG - .40 S&W IS BUILD ON A NON RECIPROCATING SIDE CHARGING BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  This upper is a perfect addition to your MA-9 Glock Style lower receiver. 12" AR-40 ..
    AR-40 12" Side Charging LRBHO Pistol Cal Complete Upper Assembly wi...
    $569.95$599.95
  • AR-40 16" Side Charging LRBHO Pistol Cal Complete Upper Assembly with BCG - .40 S&W
    AR-40 16" Side Charging LRBHO Pistol Cal Complete Upper Assembly with BCG - .40 S&W IS BUILD ON A NON RECIPROCATING SIDE CHARGING BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  This upper is a perfect addition to your MA-9 Glock Style lower receiver. 16" AR-40 ..
    AR-40 16" Side Charging LRBHO Pistol Cal Complete Upper Assembly wi...
    $599.95$629.95
  • AR-40 16" Slick Side LRBHO Pistol Cal Complete Upper Assembly with BCG and CH - .40 S&W
    AR-40 16" Slick Side LRBHO Pistol Cal Complete Upper Assembly with BCG - .40 S&W IS BUILD ON A BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  This upper is a perfect addition to your MA-9 Glock Style lower receiver. 16" AR-40 SLICK SIDE LRBHO UPPER FEATURES: ..
    AR-40 16" Slick Side LRBHO Pistol Cal Complete Upper Assembly with ...
    $499.95
  • AR-40 4" 'SLICK SIDE' PISTOL UPPER  WITH FLASH CAN, BCG AND CHARGING HANDLE - .40 S&W
    AR-40 4" 'SLICK SIDE' PISTOL UPPER  WITH FLASH CAN, BCG AND CHARGING HANDLE - .40 S&W. THIS UPPER IS BUILD ON SLICK SIDE BILLET UPPER RECEIVER, NON-LRBHO.  This is a perfect upper to use on your MA-9 Glock Style lower Barrel Length: 4" Barrel Profile: Heavy Bar..
    AR-40 4" 'SLICK SIDE' PISTOL UPPER  WITH FLASH CAN, BCG AND C...
    $424.95$499.95
  • AR-40 4" Side Charging LRBHO Pistol Cal Complete Upper Assembly with BCG - .40 S&W
    AR-40 4" Side Charging LRBHO Pistol Cal Complete Upper Assembly with BCG - .40 S&W IS BUILD ON A NON RECIPROCATING SIDE CHARGING BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  This upper is a perfect addition to your MA-9 Glock Style lower receiver. 4" AR-40 LR..
    AR-40 4" Side Charging LRBHO Pistol Cal Complete Upper Assembly wit...
    $579.95
  • AR-40 4" Slick Side LRBHO Pistol Cal Complete Upper Assembly with BCG and CH - .40 S&W
    AR-40 4" Slick Side LRBHO Pistol Cal Complete Upper Assembly with BCG - .40 S&W IS BUILD ON A BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  This upper is a perfect addition to your MA-9 Glock Style lower receiver. 4" AR-40 SLICK SIDE LRBHO UPPER FEATURES: B..
    AR-40 4" Slick Side LRBHO Pistol Cal Complete Upper Assembly with B...
    $429.95
  • AR-40 8" Side Charging LRBHO Pistol Cal Complete Upper Assembly with BCG - .40 S&W - Make It A Complete Kit
    AR-40 8" Side Charging LRBHO Pistol Cal Complete Upper Assembly with BCG - .40 S&W IS BUILD ON A NON RECIPROCATING SIDE CHARGING BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  This upper is a perfect addition to your MA-9 Glock Style lower receiver.  8" AR..
    AR-40 8" Side Charging LRBHO Pistol Cal Complete Upper Assembly wit...
    $599.95
  • AR-40 8" Slick Side LRBHO Pistol Cal Complete Upper Assembly with BCG - .40 S&W
    AR-40 8" Slick Side LRBHO Pistol Cal Complete Upper Assembly with BCG - .40 S&W IS BUILD ON A BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  This upper is a perfect addition to your MA-9 Glock Style lower receiver. 8" AR-40 SLICK SIDE LRBHO UPPER FEATURES: B..
    AR-40 8" Slick Side LRBHO Pistol Cal Complete Upper Assembly with B...
    $449.95
  • AR-45 .45 ACP 16" "SLICK SIDE" CLAW MLOK UPPER WITH BCG AND CHARGING HANDLE
    AR-45 .45 ACP 16" "SLICK SIDE" CLAW MLOK UPPER WITH BCG AND CHARGING HANDLE. THIS UPPER IS BUILD ON SLICK SIDE BILLET UPPER RECEIVER - NON LRBHO. CA COMPLIANT.FEATURES:BARREL - 16" 45 ACP MATCH GRADE AR BARREL. 4150 CROMOLY STEEL. BLACK NITRIDE FINISH. CHAMBERED IN 45 ACP.  TWI..
    AR-45 .45 ACP 16" "SLICK SIDE" CLAW MLOK UPPER WITH BCG AND CHARGIN...
    $549.95$599.95
  • AR-45 .45 ACP 16" "SLICK SIDE" LIGHTWEIGHT KEYMOD UPPER HALF WITH RAMPED BCG AND CHARGING HANDLE
    AR-45 .45 ACP 16" "SLICK SIDE" LIGHTWEIGHT KEYMOD UPPER HALF WITH RAMPED BCG AND CHARGING HANDLE. THIS UPPER IS BUILD ON SLICK SIDE BILLET UPPER RECEIVER - NON LRBHO. CA COMPLIANT.FEATURES:BARREL - 16" 45 ACP MATCH GRADE AR BARREL. 4150 CROMOLY STEEL. BLACK NITRIDE FINISH. CHAMBERED..
    AR-45 .45 ACP 16" "SLICK SIDE" LIGHTWEIGHT KEYMOD UPPER HALF WITH R...
    $549.95$599.95
  • AR-45 .45 ACP 16" SLICK SIDE LRBHO COMPLETE M-LOK UPPER ASSEMBLY
    AR-45 .45 ACP 16" SLICK SIDE LRBHO COMPLETE M-LOK UPPER ASSEMBLY IS BUILD ON A SLICK SIDE BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN FEATURE).   16" .45 ACP LRBHO UPPER FEATURES: BARREL - 16" MATCH GRADE AR BARREL. 4150 CROMOLY STEEL. BLACK NITRIDE FINISH..
    AR-45 .45 ACP 16" SLICK SIDE LRBHO COMPLETE M-LOK UPPER ASSEMBLY&nb...
    $469.95$599.99
  • AR-45 .45 ACP 4" 'SLICK SIDE' CONE UPPER HALF W/ BCG AND CH
    AR-45 .45 ACP 4" 'SLICK SIDE' KEYMOD UPPER HALF WITH RAMPED BCG AND CHARGING HANDLE. THIS UPPER IS BUILD ON SLICK SIDE BILLET UPPER RECEIVER - NON LRBHO. CA COMPLIANT.FEATURES:BARREL - 4" 45 ACP MATCH GRADE AR BARREL. 4150 CROMOLY STEEL. BLACK NITRIDE FINISH. CHAMBERED IN 45 ACP. &n..
    AR-45 .45 ACP 4" 'SLICK SIDE' KEYMOD UPPER HALF WITH RAMPED BCG AND...
    $489.95$549.95
  • AR-45 .45 ACP 4" LRBHO "SLICK SIDE" UPPER HALF WITH BCG AND CHARGING HANDLE
    AR-45 .45 ACP 4" LRBHO "SLICK SIDE" TACTICAL UPPER HALF WITH BCG AND CHARGING HANDLE. THIS UPPER IS BUILD ON SLICK SIDE BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  FEATURES:BARREL - 4" 45 ACP MATCH GRADE AR BARREL. 4150 CROMOLY STEEL. BLACK NITRIDE..
    AR-45 .45 ACP 4" LRBHO "SLICK SIDE" TACTICAL UPPER HALF WITH ...
    $419.95$549.95