Build Kits
Build your pistol caliber AR with confidence by selecting from our all-American made AR build kits. Crafted with top-quality components, each kit is designed for optimal performance, superior accuracy, and long-lasting durability. Whether you're building an AR9, AR-45, or another pistol caliber AR, our kits include everything you need to assemble your dream build.
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AR-9 9MM 4.5" Mini Pistol Build Kit w/ SBA3 Brace - M-Lok / Non-LRBHO
AR-9 9MM 4.5" Mini Pistol Build Kit w/ SBA3 Brace - M-Lok / Non-LRBHOBuild your custom AR-9 9MM pist..
-25%
AR-9 9MM 4.5" Pistol Build Kit - Side Cut Billet Upper with 4" Mlok - Cerakote Camo Color Options
AR-9 9MM 4.5" Pistol Build Kit - Side Cut Billet Upper with 4" Handguard - Cerakote Camo Color Optio..
-38%
MA-9 9MM 4.5" Micro Glock Style Pistol Kit - Choose Color | Non-LRBHO
MA-9 9MM 4.5" Micro Glock Style Pistol Kit - Choose Color | Non-LRBHO - Complete Your DIY 9MM Projec..
-25%
AR 10mm 8" SLICK SIDE PREMIUM PISTOL KIT / SHROUD / MLOK / SBA3
AR 10mm 8" SLICK SIDE PREMIUM PISTOL KIT / SHROUD / MLOK / SBA3 / NON-LRBHO - KIT COMES WITH EV..
-33%
AR 40 S&W 16" Slick Side Rifle Kit / NON-LRBHO / Mlok / Magpul SL
AR 40S&W 16" MA-40 Slick Side Rifle Kit IS BUILD ON A SLICK SIDE BILLET UPPER RE..
-29%
AR-10MM 4.5" MLOK COMPLETE PISTOL KIT /SLICK SIDE/NON-LRBHO
Moriarti Arms, Blow Back, 10MM, 4.5" Barrel, Black Finish, Slick side upper, Non-LRBHO, Mlok, Glock ..
-39%
AR-40 40 S&W 10.5" Pistol Build Kit / 10" M-LOK / DIVERTER / SBA3 / SLICK
AR-40 40 S&W 10.5" Pistol Build Kit / 10" M-LOK / DIVERTER / SBA3 / SLICK contains all the compo..
-43%
AR-40 40 S&W 4.5" MICRO PISTOL BUILD KIT / MLOK/ CLASSIC
AR-40 40 S&W 4.5" MICRO PISTOL BUILD KIT / MLOK/ CLASSIC contains all components to complet..
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AR-40 40 S&W 8" Micro Pistol Build Kit / Slim Octagonal Cone / ADJ Shockwave
AR-40 40 S&W 8" Micro Pistol Build Kit / Slim Octagonal Cone / ADJ Shockwave contains all the co..
-33%
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 ..
-36%
AR-45 .45 ACP 16" UNASSEMBLED UPPER KIT /BCG AND CH / MLOK / NON-LRBHO
AR-45 .45 ACP 16" MLOK UNASSEMBLED UPPER KIT W/ BCG, NON-LRBHO BARREL - 16" 45 ACP MATC..
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AR-45 .45 ACP 4.5" MLOK COMPLETE PISTOL KIT /SLICK SIDE/NON-LRBHO
Moriarti Arms, Blow Back, 45 ACP, 4.5" Barrel, Black Finish, Slick side upper, Non-LRBHO, MlokBARREL..
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AR-45 .45 ACP 7.5" MLOK COMPLETE PISTOL KIT W/HEAVY BUFFER, NON-LRBHO
MORIARTI ARMAMENTS IS PROUD TO PRESENT AN INTRODUCTORY KIT FOR AR-45 .45 ACP 7f.5" MLOK COMPLETE PIS..
-21%
AR-45 .45 ACP 8" SLICK SIDE PREMIUM CONE PISTOL KIT / MLOK / LRBHO
AR-45 .45 ACP 8" SLICK SIDE PREMIUM CONE PISTOL KIT / MLOK / LRBHO IS BUILD ON A SLICK SID..
-33%
AR-45 45 ACP 7.5" Micro Pistol Build Kit / Shroud / Mlok / SBA3
AR-45 45 ACP 7.5" Micro Pistol Build Kit / Shroud / Mlok / SBA3 kit is based on Mil Spec AR-15 ..
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AR-9 9MM 5.5" 'Beware' Pistol Build Kit – Forged Upper, 4" Handguard, Non LRBHO
AR-9 9MM 5.5" 'Beware' Pistol Build Kit – Forged Upper, 4" Handguard, Blowback Gas SystemBuild your ..
-33%
AR-9 9MM 5.5" Complete Pistol Kit – M-Lok, Spider Web Dust Cover, Color Options
AR-9 9MM 5.5" Complete Pistol Kit – M-Lok, Spider Web Dust Cover, Color OptionsBuild your custom AR-..
-25%
AR-9 9MM 5.5" Pistol Build Kit - Side Cut Billet Upper with 4" Handguard - Cerakote Camo Burnt Bronze
AR-9 9MM 5.5" Pistol Build Kit - Side Cut Billet Upper with 4" Handguard - Cerakote Camo Burnt Bronz..
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AR-10MM 16" Slick Side Rifle Kit – 10MM Blowback, M-Lok, Alpha Stock, Glock-Compatible
Build your ultimate rifle with the AR-10MM 16" Slick Side Rifle Kit from Moriarti Armaments. Designe..
AR-9 9MM 7.5" LRBHO "SLICK SIDE" PREMIUM CONE PISTOL KIT / MLOK
AR-9 9MM 7.5" LRBHO "SLICK SIDE" PREMIUM CONE PISTOL KIT – Build Your Ultimate AR-9 Pistol!The AR-9 ..
-32%
AR-9 9MM PISTOL KIT – 7.5″ M-LOK / SBA3 BRACE / MICROCAN - NON LRBHO
AR-9 9MM PISTOL KIT – 7.5″ M-LOK / SBA3 BRACE / MICROCAN – Build Your Perfect AR-9 Pistol!Everything..
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Moriarti Arms AR-9 9MM 7.5" Glock-Compatible Custom Pistol Kit / Cerakote Gradient Color Options
Moriarti Arms® AR-9 9MM 7.5" Glock-Compatible Custom Pistol Kit / Cerakote Gradient Color OptionsUnl..
-36%
AR-9 9MM 8.3" Pistol Build Kit – 7" M-Lok, SBA3 Brace, Diverter, Slick Side, Non-LRBHO
AR-9 9MM 8.3" Pistol Build Kit – 7" M-Lok, SBA3 Brace, Diverter, Slick Side, Non-LRBHOBuild your AR-..
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AR-9 9MM 8.3" Shockwave Pistol Build Kit – M-Lok, Non-LRBHO – Choose Your Color
AR-9 9MM 8.3" Shockwave Pistol Build Kit – M-Lok, Non-LRBHO – Choose Your Color!Build your perfect A..
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AR-9 9MM 11" Micro Pistol Build Kit – M-Lok, SBA3 Brace, Shroud
AR-9 9MM 11" Micro Pistol Build Kit – M-Lok, SBA3 Brace, Shroud – Mil-Spec, Glock Lower CompatibleBu..
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AR-9 9MM 11" PISTOL KIT WITH 10" QUAD HANDGUARD - Custom Color Options
AR-9 9MM 11" PISTOL KIT WITH 10" QUAD HANDGUARD - Custom Color OptionsBuild your ultimate AR-9 pisto..
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AR-9 16" Rifle Build Kit – 15" M-Lok, Magpul SL Stock, Mil-Spec Components – Choose Your Color
AR-9 16" Rifle Build Kit – 15" M-Lok, Magpul SL Stock, Mil-Spec Components – Choose Your Color!Ready..
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AR-9 9MM 16" Carbine Rifle Kit - 10" QuadRail | LE Stock | Color Options
AR-9 9MM 16" Carbine Rifle Kit - 10" QaudRail | LE Stock | Color OptionsUpgrade your AR-9 build with..
-28%
AR-9 9MM 16" Carbine Rifle Kit - 15" Slim M-LOK Rail | LE Stock | Glock Style Build
AR-9 9MM 16" Carbine Rifle Kit - 15" Slim M-LOK Rail | LE Stock | Glock Style BuildBuild your ultima..
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AR-9 9MM 16" Carbine Tactical Rifle Kit – 12" M-Lok Handguard, Cerakote Camo Options, Glock Style
AR-9 9MM 16" Carbine Tactical Rifle Kit – 12" M-Lok Handguard, Cerakote Camo Options, Glock StyleBui..