Upper Parts
Complete your pistol caliber carbine build with our top-quality upper parts kits, designed for AR-9, AR-45, AR-10mm, and other pistol caliber carbines. Whether you’re building your AR pistol or pistol caliber carbine rifle, we provide all the necessary components to assemble a reliable and high-performance upper receiver that delivers consistent accuracy and smooth cycling with every shot.
AR-15/AR-10/AR-9 Micro Mini Slip Over Barrel Shroud with Multi Port Muzzle Brake | Reduce Recoil | Moriarti Armaments
The AR-15/AR-10/AR-9 Micro Mini Slip Over Barrel Shroud from Moriarti Armaments is designed to enhan..
AR-9mm Micro Flash Can | 1/2x36 Thread, Nitride Finish | Perfect for AR Pistols
The AR-9mm Micro Flash Can is the perfect muzzle device for your 9mm AR-15 pistol build. Made from s..
-57%
AR 9mm Mini Tanker Muzzle Brake | Steel, Phosphate Finish, 1/2x36
The AR 9mm Mini Tanker Muzzle Brake is designed to reduce recoil and muzzle rise, making it ideal fo..
-43%
AR 9mm Thread Protector | 1/2x36 Pitch | Black Oxide Finish | G2
The AR 9mm Thread Protector is a high-quality, lightweight, and durable accessory designed to protec..
AR-10 / AR-45 "CLAW" MULTI-PRONG FLASH HIDER, 5/8X34
AR "CLAW" MULTI-PRONG FLASH HIDER, 5/8X34Multi Prong Flash HiderClaw Style Door Breacher&n..
AR-15 .40 S&W Match Grade 16" Barrel | Black Nitride | 1:16 Twist Rate | 5/8x24 Thread
Upgrade your AR-15 build with the .40 S&W Match Grade 16" Barrel, designed for superior accuracy..
-21%
AR-15 10MM 10.5" AUTO BARREL 4150 STEEL / NITRIDE
AR-15 10MM 10.5" AUTO BARREL 4150 STEEL / NITRIDECartridge: 10 mm AutoFinish: BlackLength:..
-33%
AR-15 9MM 9″ FAKE SUPPRESSOR /1/2×28/ ANODIZED BLACK
AR-15 9MM 9″ FAKE SUPPRESSOR /1/2×28/ ANODIZED BLACKThis product refers to a decorative or functiona..
AR-15 9MM CAL MICRO MULTI PORT MUZZLE COMPENSATOR / G2
Multi Port Compensator2 Side Porting Slots And 1 Top Porting Hole To Reduce Muzzle Climb And RecoilC..
AR-15 9MM/40/45 Dedicated Slick Billet Upper Receiver | Rainbow PVD Coated | Non-LRBHO
The AR-15 / 9MM/40/45 Dedicated Slick Billet Upper Receiver is crafted to provide the ultimate in re..
AR-40 .40 S&W / 10mm Bolt Carrier Group | Glock Compatible | 8620 Steel | M-16 Cut
The AR-40 .40 S&W / 10mm Bolt Carrier Group (BCG) is specifically designed for reliable performa..
AR-40 .40 S&W 4" Barrel 1:16 Twist Black Nitride Finish
AR-40 .40 S&W 4" Barrel 1:16 Twist Black Nitride FinishSpecifications:Length: 4".40 S&W Cali..
AR-40 .40 S&W 8" Barrel 1:16 Twist Black Nitride Finish
AR-40 .40 S&W 8" Barrel 1:16 Twist Black Nitride FinishSpecifications:Length: 8".40 S&W Cali..
AR-45 .45 ACP Complete Bolt Carrier Group - Nitride
AR-45 Bolt assembly is designed for AR-15 style rifles chambered for .45 ACP with a direct blowback ..
AR-45 8.5″ 45 CAL 1:10 TWIST 4150 BARREL / NITRIDE
AR-45 8.5″ 45 CAL 1:10 TWIST 4150 BARREL / NITRIDE 8.5" LENGTHMADE FROM 4150 CMV STEEL HARDE..
-22%
AR-45 ACP COMPLETE UPPER RECEIVER COMBO KIT / 7.5″ BARREL & BCG
AR-45 ACP COMPLETE UPPER RECEIVER COMBO KIT / 7.5″ BARREL & BCG is Glock style compatible.&..
-33%
AR-9 4.5" 9MM CAL 1:10 TWIST 4150 CMV BARREL
AR-9 4.5" 1:10 TWIST, 9MM, 4150 BLACK NITRIDE4150 Chrome Moly VanadiumChambered in 9mm Cal4.5" Lengt..
-40%
AR-9 5.5" 9MM CAL 1:10 TWIST 4150 CMV BARREL
AR-9 5.5" 1:10 TWIST, 9MM, 4150 BLACK NITRIDE4150 Chrome Moly VanadiumChambered in 9mm Cal5.5" Lengt..
-40%
AR-9 7.5" 9MM CAL 1:10 TWIST 4150 CMV BARREL
AR-9 7.5" 9MM CAL 1:10 TWIST 4150 CMV BARREL4150 Chrome Moly VanadiumChambered in 9mm Cal7.5" Length..
AR-9 9MM 9X19 10.5" Pistol Barrel 1:10 Twist Black Nitride Finish
AR-9 9MM 9X19 10.5" Pistol Barrel 1:10 Twist Black Nitride FinishSpecifications:Length:10.5"9mm Cali..
-29%
AR-9 NITRIDE BOLT CARRIER GROUP COMPLETE BCG / NITRIDE / GLOCK COMPATIBLE
Compatable with 9mm Conversion Kits and 9mm billet lowers that accept GLOCK®-style magazi..
AR-9/45 Pistol Caliber Billet Upper LRBHO | 9mm, .45 ACP, .40 S&W, 10mm | G2
Build your custom AR-9/45 pistol caliber carbine with the AR-9/45 Pistol Caliber Billet Upper LRBHO ..
AR-9/9X19 11" Ballistic Advantage Modern Series Barrel / 1:10 Twist / 1/2x28
AR-9/9X19 11" Ballistic Advantage Modern Series Barrel / 1:10 Twist / 1/2x28Length: 11"Caliber: 9X19..
AR-99X19 Flatline Compensator / 1/2X36 Thread Pitch / Black
This product is for the PCC enthusiast Features: Black Oxide..
-50%
AR-9MM 9X19 Muzzle Brake for 1/2"x36 Pitch - 5 Ports
AR-9MM 9X19 Muzzle Brake for 1/2"x36 Pitch - 5 Ports Features:Solid 4150 steel constructionPhosphate..
AR-9MM Muzzle Comp with QD Blast Shield | Reduces Concussion | 1/2x28 Thread | Moriarti Armaments
Enhance your 9mm AR pistol with the AR-9MM Muzzle Comp with QD Blast Shield from Moriarti Armaments...
LRBHO Hardware Kit
This kit is a spare part only, NOT intended for uppers without the LRBHO feature. Once assembled ..
Moriarti 9mm / 22LR / .40 Slick Side Upper Receiver – No Forward Assist
The Moriarti 9mm / 22LR / .40 Slick Side Upper Receiver is a high-quality, forged 7075-T6 aluminum u..
-33%
MORIARTI AR-9 16" MED PROFILE BARREL, 1:10 TWIST, 9MM, 4150 NITRIDE STEEL
AR-9 16" MEDIUM PROFILE BARREL, 1:10 TWIST, 9MM, 4150 NITRIDE STEELLength: 16"Weight: 1lbProfile: Me..
-33%
MORIARTI AR-9 8.3" MED PROFILE BARREL, 1:10 TWIST, 1/2X36, 4150 CMV
MORIARTI AR-9 8.3" MED PROFILE BARREL, 1:10 TWIST, 1/2X36, 4150 CMVLength: 8.3"Profile: MedTwist: 1:..
-25%
Moriarti AR-9 9mm 7" Thread-On Fake Suppressor – 1/2x36 Thread – USA Made
Moriarti AR-9 9mm 7" Thread-On Fake Suppressor – 1/2x36 Thread – USA MadeKey Features:Overall Length..
-30%
MORIARTI ARMAMENTS 9MM AR BARREL, 4.5 INCH, MED PROFILE, 1/2X36
MORIARTI ARMAMENTS 9MM AR BARREL, 4.5 INCH, MED PROFILE, 1/2X36Package content: 9mm AR Barrel, ..
-30%
Moriarti Armaments 9mm AR Barrel, 5.5 inch, Med profile, 1/2x36
Moriarti Armaments 9mm AR Barrel, 5.5 inch, Med profile, 1/2x36 Package content: 9mm AR Barr..
Pistol Caliber Side Charging Upper LRBHO | 9mm, .45 ACP, .40 S&W, 10mm
Complete your pistol caliber carbine (PCC) build with the Pistol Caliber Side Charging Upper LRBHO f..
-20%
Q Cherry Bomb 9mm 1/2x28 - Muzzle Brake for 9MM
Q, Cherry Bomb, Muzzle Brake, 9MM, 1/2-28SpecificationsUPC850000857612ManufacturerQManufacturer Part..
AR .45 ACP 16" Barrel | 1:16 Twist | 4150 CMV, Black Nitride | USA Made
This AR .45 ACP 16" Barrel is specifically designed for those who want to build a reliable and power..