AR-45

 AR-45 .45 ACP Uppers, Kits, Lowers and Accessories. AR-45 ACP is compatible with large frame Glock mags, including 21, 30 and 41 Mags.

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  • 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
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  • 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...
    $499.95$599.95
  • AR-45 .45 ACP 16" MLOK COMPLETE RIFLE KIT W/HEAVY BUFFER, NON-LRBHO
    MORIARTI ARMAMENTS IS PROUD TO PRESENT AN INTRODUCTORY KIT FOR AR-45 .45 ACP 16" MLOK COMPLETE RIFLE KIT W/HEAVY BUFFER, NON-LRBHO.  KIT COMES WITH EVERYTHING YOU NEED TO COMPLETE YOUR AR-45 BUILD EXCEPT LOWER RECEIVER, CAN BE PURCHASED SEPARATELY.  AR-45 RIFLE KIT FEATURES: ..
    MORIARTI ARMAMENTS IS PROUD TO PRESENT AN INTRODUCTORY KIT FOR ...
    $499.95$599.99
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  • AR-45 .45 ACP 16" MLOK UNASSEMBLED UPPER KIT W/BCG, NON-LRBHO
    AR-45 .45 ACP 16" MLOK UNASSEMBLED UPPER KIT W/ BCG, NON-LRBHO BARREL - 16" 45 ACP MATCH GRADE AR BARREL. 4150 CROMOLY STEEL. BLACK NITRIDE FINISH. CHAMBERED IN 45 ACP.  TWIST: 1:16. 5/8-24 MUZZLE BRAKE THREADS. INTEGRATED FEED RAMP. BARREL IS FINISHED OFF WITH A2 FLASH HIDER DE..
    AR-45 .45 ACP 16" MLOK UNASSEMBLED UPPER KIT W/ BCG, NON-LRBHO B...
    $399.95$499.99
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  • 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" TUBE 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 ...
    $449.95$549.95
  • AR-45 .45 ACP 8" LRBHO "SLICK SIDE" CONE PISTOL UPPER HALF WITH RAMPED BCG AND CHARGING HANDLE
    AR-45 .45 ACP 8" LRBHO "SLICK SIDE" CONE PISTOL UPPER HALF WITH RAMPED BCG AND CHARGING HANDLE. THIS UPPER IS BUILD ON SLICK SIDE BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  FEATURES:BARREL - 8" 45 ACP MATCH GRADE AR BARREL. 4150 CROMOLY STEEL. BL..
    AR-45 .45 ACP 8" LRBHO "SLICK SIDE" CONE PISTOL UPPER HALF WITH RA...
    $499.95$599.95
  • AR-45 .45 ACP 8" LRBHO "SLICK SIDE" PREMIUM CONE KEYMOD PISTOL KIT
    AR-45 .45 ACP 8" LRBHO "SLICK SIDE" PREMIUM CONE 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 AR-45 BUILD EXCEPT LOWER RECEIVER, CAN BE PURCHASED SEPARATELY. AR-45 LRBHO KIT..
    AR-45 .45 ACP 8" LRBHO "SLICK SIDE" PREMIUM CONE PISTOL KIT IS BUI...
    $659.95$759.99
  • AR-45 .45 ACP 8" LRBHO "SLICK SIDE" TACTICAL UPPER HALF WITH BCG AND CHARGING HANDLE
    AR-45 .45 ACP 8" 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 - 8" 45 ACP MATCH GRADE AR BARREL. 4150 CROMOLY STEEL. BLACK NI..
    AR-45 .45 ACP 8" LRBHO "SLICK SIDE" TACTICAL UPPER HALF WITH ...
    $449.95$549.95
  • AR-45 .45 ACP 8" LRBHO SIDE CHARGING UPPER WITH BCG
    AR-45 .45 ACP 8" LRBHO SIDE CHARGING UPPER WITH BCG. THIS UPPER IS BUILD ON SIDE CHARGING BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  FEATURES:BARREL - 8" 45 ACP MATCH GRADE AR BARREL. 4150 CROMOLY STEEL. BLACK NITRIDE FINISH. CHAMBERED IN 45 ACP. ..
    AR-45 .45 ACP 8" LRBHO SIDE CHARGING UPPER WITH BCG. THIS UPPE...
    $594.95
  • AR-45 .45 ACP 8.5" 'SLICK SIDE' UPPER HALF WITH BCG AND CHARGING HANDLE
    AR-45 .45 ACP 8.5" 'SLICK SIDE' UPPER HALF WITH BCG AND CHARGING HANDLE. THIS UPPER IS BUILD ON SLICK SIDE UPPER RECEIVER, NON LRBHO.  FEATURES:BARREL - 8.5" 45ACP MATCH GRADE AR BARREL. 4150 CROMOLY STEEL. BLACK NITRIDE FINISH. CHAMBERED IN 45MM.  TWIST: 1:..
    AR-45 .45 ACP 8.5" 'SLICK SIDE' UPPER HALF WITH BCG AND CHARGING HA...
    $449.95
  • AR-45 .45 ACP 8.5" MLOK COMPLETE PISTOL KIT W/HEAVY BUFFER, NON-LRBHO
    MORIARTI ARMAMENTS IS PROUD TO PRESENT AN INTRODUCTORY KIT FOR AR-45 .45 ACP 8.5" MLOK COMPLETE PISTOL KIT W/HEAVY BUFFER, NON-LRBHO.  KIT COMES WITH EVERYTHING YOU NEED TO COMPLETE YOUR AR-45 BUILD EXCEPT LOWER RECEIVER, CAN BE PURCHASED SEPARATELY.  AR-45 PISTOL KIT FEATURES: ..
    MORIARTI ARMAMENTS IS PROUD TO PRESENT AN INTRODUCTORY KIT FOR AR-4...
    $449.95$599.99
  • AR-45 16" Side Charging LRBHO Complete Upper Assembly with BCG - .45 ACP
    AR-45 16" Side Charging LRBHO Complete Upper Assembly with BCG  IS BUILD ON A NON RECIPROCATING SIDE CHARGING BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  WEIGHT: 4.2 LB 16" AR-45 LRBHO UPPER FEATURES: BARREL - 16" .45 acp MATCH GRADE AR BARREL. 415..
    AR-45 16" Side Charging LRBHO Complete Upper Assembly with BCG ...
    $624.95
  • AR-45 4" Side Charging LRBHO Pistol Complete Upper Assembly with BCG - .45 ACP
    AR-45 4" Side Charging LRBHO Pistol Cal Complete Upper Assembly with BCG - .45 ACP  IS BUILD ON A NON RECIPROCATING SIDE CHARGING BILLET UPPER RECEIVER WITH LRBHO (LAST ROUND BOLT HOLD OPEN).  WEIGHT: 4.2 LB 4" AR-45 LRBHO UPPER FEATURES: BARREL - 4" .45 ACP MATCH GRA..
    AR-45 4" Side Charging LRBHO Pistol Cal Complete Upper Assembly wit...
    $559.95$599.95
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  • AR-45 45 ACP Moriarti Arms 16" MA-45 Rifle Side Charger LRBHO
    Moriarti Arms, Blow Back, 45 ACP, 16" Barrel, 1:16 Twist, Black Finish, Side Charger LRBHOAR-45 45 ACP Moriarti Arms 16" MA-45 Rifle Side Charger LRBHOPRODUCT SPECIFICATIONSManufacturer: Moriarti ArmamentsModel: MA-45-16-SideChargerBarrel Length: 16”Barrel Material: 4150 Nitride Treat..
    Moriarti Arms, Blow Back, 45 ACP, 16" Barrel, 1:16 Twist, Black Fin...
    $949.95$1,350.00
  • AR-45 45 ACP Moriarti Arms 16" MA-45 Slick Side Rifle LRBHO
    Moriarti Arms, Blow Back, 45 ACP, 16" Barrel, 1:16 Twist, Black Finish, LRBHOPicture shows quadrail free float handguard. Available also in slim keymod and mlok option.PRODUCT SPECIFICATIONSManufacturer: Moriarti ArmamentsModel: MA-45-16Barrel Length: 16”Barrel Material: 4150 Nitride Treat..
    Moriarti Arms, Blow Back, 45 ACP, 16" Barrel, 1:16 Twist, Black Fin...
    $899.95$1,150.00
  • AR-45 45ACP 4″ LRBHO  “Slick Side” Complete Upper W/ BCG and CH
    AR-45 45ACP 4″ LRBHO  “Slick Side” Complete Upper W/ BCG and CH IS BUILD ON A NON RECIPROCATING LAST ROUND BOLT HOLD OPEN BILLET UPPER RECEIVER.  WEIGHT: 3.2 LB 4" 45ACP LRBHO UPPER FEATURES: BARREL - 4" MATCH GRADE AR BARREL. 4150 CROMOLY STEEL. BLACK NITRIDE FI..
    AR-45 45ACP 4″ LRBHO  “Slick Side” Complete Upper W/ BCG and C...
    $424.95$499.95
  • AR-45 45ACP Moriarti Arms 4" Side Charging Pistol LRBHO w/SBA3 Brace
    Moriarti Arms, Blow Back, 45 ACP, 4" Barrel, Black Finish, Side Charger, LRBHOCURRENT ETA: 10-14 DAYSPRODUCT SPECIFICATIONSManufacturer: Moriarti ArmamentsModel: MA-45-4-LRBHOBarrel Length: 4”Barrel Material: 4150 Nitride Treated Chromoly SteelBarrel Profile: A2, Match GradeChamber: .45 AC..
    Moriarti Arms, Blow Back, 45 ACP, 4" Barrel, Black Finish, Side Cha...
    $899.95$1,350.00
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  • AR-45 45ACP Moriarti Arms 4" Side Charging Pistol LRBHO w/SBPDW-3 Brace
    Moriarti Arms, Blow Back, 45 ACP, 4" Barrel, Black Finish, Side Charger, LRBHO. SBPDW-3 Adj BracePRODUCT SPECIFICATIONSManufacturer: Moriarti ArmamentsModel: MA-45-4-LRBHO-SBPDWBarrel Length: 4”Barrel Material: 4150 Nitride Treated Chromoly SteelBarrel Profile: A2, Match GradeChamber: .45 ..
    Moriarti Arms, Blow Back, 45 ACP, 4" Barrel, Black Finish, Side Cha...
    $1,149.95$1,499.95
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  • AR-45 45ACP Moriarti Arms 4" Slick Side Pistol LRBHO w/SBA3 Brace
    Moriarti Arms, Blow Back, 45 ACP, 4" Barrel, Black Finish, Slick Side, LRBHOPRODUCT SPECIFICATIONSManufacturer: Moriarti ArmamentsModel: MA-45-4-LRBHOBarrel Length: 4”Barrel Material: 4150 Nitride Treated Chromoly SteelBarrel Profile: A2, Match GradeChamber: .45 ACPTwist Rate: 1 in 16”Thre..
    Moriarti Arms, Blow Back, 45 ACP, 4" Barrel, Black Finish, Slick Si...
    $899.95$1,250.00
  • AR-45 80% Billet Lower Receiver — Glock Style
    AR-45 80% Billet Lower Receiver — Glock Style Manufacturer: New Frontier ArmoryModel: C-45 80% LowerType: AR-45 80% Lower Receiver — milled from 7075 T6 aircraft grade aluminum billetsCaliber: .45 ACP and 10MMMagazine: Accepts any Glock style large frame pistol cal..
    AR-45 80% Billet Lower Receiver — Glock Style Manufacturer:&nb...
    $129.99
  • AR-45 Complete Billet Lower Receiver w/Cobra Stock — Glock Style Mags
    AR-45 Complete Billet Lower Receiver — Glock Style Mags Manufacturer: Moriarti ArmamentsModel: AR-45 Billet Lower ReceiverType: AR-45 Complete Lower Receiver w/Cobra Stock — milled from 7075 T6 aircraft grade aluminum billetsCaliber: MultiMagazine: Accepts any ..
    AR-45 Complete Billet Lower Receiver — Glock Style Mags Manufa...
    $329.99
  • AR-45 Pistol Billet Lower Receiver w/ SB Brace — Glock Style Mags
    Manufacturer: Moriarti ArmamentsModel: AR-45 Billet Lower ReceiverType: AR-45 Complete Lower Receiver — milled from 7075 T6 aircraft grade aluminum billetsCaliber: MultiMagazine: Accepts any Glock style large frame pistol caliber magazines in .45ACP/10mm,..
    Manufacturer: Moriarti ArmamentsModel: AR-45 Billet Lower...
    $429.95$449.99
  • AR-45 Pistol Billet Lower Receiver w/ SBA3 Adjustable Brace — Glock Style Mags
    Manufacturer: Moriarti ArmamentsModel: AR-45 Billet Lower ReceiverType: AR-45 Complete Lower Receiver — milled from 7075 T6 aircraft grade aluminum billetsCaliber: MultiMagazine: Accepts any Glock style large frame pistol caliber magazines in .45ACP/10mm,..
    Manufacturer: Moriarti ArmamentsModel: AR-45 Billet Lower...
    $449.95$499.99
  • AR-45 Pistol Billet Lower Receiver W/ Shockwave — Glock Style Mags
    Manufacturer: Moriarti ArmamentsModel: AR-45 Billet Lower ReceiverType: AR-45 Complete Lower Receiver — milled from 7075 T6 aircraft grade aluminum billetsCaliber: MultiMagazine: Accepts any Glock style large frame pistol caliber magazines in .45ACP/10mm,..
    Manufacturer: Moriarti ArmamentsModel: AR-45 Billet Lower...
    $399.99
  • AR-45 Pistol Billet Lower Receiver — Glock Style Mags
    Manufacturer: Moriarti ArmamentsModel: AR-45 Billet Lower ReceiverType: AR-45 Complete Lower Receiver — milled from 7075 T6 aircraft grade aluminum billetsCaliber: MultiMagazine: Accepts any Glock style large frame pistol caliber magazines in .45ACP/10mm,..
    Manufacturer: Moriarti ArmamentsModel: AR-45 Billet Lower...
    $299.95$379.99
  • AR-45 Stripped Billet Lower Receiver — Glock Mags
    AR-45 Stripped Billet Lower Receiver — Glock Mags. Current Pre-Order ETA: 1-2 weeksManufacturer: Moriarti ArmamentsModel: C-45Type: AR-45 Stripped Lower Receiver — milled from 7075 T6 aircraft grade aluminum billetsCaliber: Multi (will accept .45/10mm, and other Glock large frame cali..
    AR-45 Stripped Billet Lower Receiver — Glock Mags. Current Pre-Orde...
    $169.99
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  • AR-9/45 Pistol Caliber Billet Upper LRBHO - 9mm, 45ACP, 40S&W, 10mm
    AR Pistol Caliber Billet Upper LRBHO - 9mm, 45ACP, 40S&W, 10mm Manufacturer: New Frontier ArmoryModel: Pistol Caliber Billet AR-9/45 “Slick Side” Upper with LRBHO — LAST ROUND BOLT HOLD OPENCaliber: Multi (will accept any barrels, bolts and caliber designed for the AR..
    AR Pistol Caliber Billet Upper LRBHO - 9mm, 45ACP, 40S&W, 10mm ...
    $139.95
  • AR-45 Glock .45 26-Round Magazine KCI
    Manufacturer: KCIModel: Glock .45 26-Round MagazineCALIBER: .45 ACPCompatible With: Glock 21, 30, & 41 modelsLarge/High Capacity Magazine Restrictions: Large/high capacity magazines are not legal in all areas of the U.S. Please be aware of your local laws prior to ordering.Orders ..
    Manufacturer: KCIModel: Glock .45 26-Round MagazineCALIBE...
    $19.99
  • AR-45 45ACP 10 oz Blowback Buffer
    AR-45 45ACP 10 oz Blowback BufferEXTENDED LENGTH FOR PROPER BOLT CATCH OVER TRAVELWORKS WITH STANDARD CARBINE SPRING10 OZ BUFFER WEIGHTFOR BLOWBACK OPERATED BUILDS ONLYMade in U.S.A. ..
    AR-45 45ACP 10 oz Blowback BufferEXTENDED LENGTH FOR PROPER BOLT CA...
    $49.95
  • Mag Lock  for AR-9 and AR-45 - California Compliant
    Manufacturer: ARMaglockThis California Compliant Bullet Button for AR-9 & AR-45 converts the AR-9 & AR-45 detachable mag system into a system that requires the user to slightly pivot the upper receiver open to release the magazine. The magazine lock can be used on Mo..
    Manufacturer: ARMaglockThis California Compliant Bullet Button...
    $39.49