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" 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 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 ...
    $499.95$599.99
  • 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...
    $549.95$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″ 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...
    $549.95$599.95
  • 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