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300 AAC Blackout
From its humble origins in the U.S. military, the 300 Blackout has grown in popularity as more customers recognize its versatility and extreme performance. Moriarti Arms ® offers a wide variety of AR builds, assemblies, parts and more, chambered in the versatile 300 blackout cartridge.
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AR-15 300 AAC 14.5" Blackout keymod tactical pistol kit. This kit contains all components to complete your AR-15 300 BLK build. The kit comes WITHOUT 80% lower receiver. All options and modifications to your kit are available on top of this page. All components are Mil Spec and made in the USA..AR-15 300 AAC 14.5" Blackout keymod tactical pistol kit. This kit c...$399.95$549.95 -
AR-15 5.56/.223 16" M4 "BLACK CANON" UPPER ASSEMBLY. CA and NY compliant.Action: Semi-autoGas System: Carbine Length Gas SystemChamber: 300 BlackoutTwist Rate: 1/8 button rifledBarrel: 16" heavy barrel, 4150V steel, chrome moly, heat treated, black, M4 feedram..AR-15 5.56/.223 16" M4 "BLACK CANON" UPPER ASSEMBLY. CA a...$209.95$399.95 -
AR-15 300AAC Blackout 16" Diamond "Predator" Upper Assembly. Created by Moriarti Armaments. CA and NY compliant.Action: Semi-auto Gas System: Carbine Length Gas System Chamber: 300 Blackout Twist Rate: 1/8 button rifled Barrel: 16" heavy barrel, 4150V s..AR-15 300AAC Blackout 16" Diamond "Predator" Upper Assembly. Create...$399.95 -
AR-15 300 AAC BLK 10.5" Nitro-Met Quad Upper Assembly with Socom Style Brake -is a perfect addition to your AR-15 build. All you need is a case of ammo to change your standard AR 5.56 to a new 300 Blackout upper.Assembly Features:Chamber - 300 AACBarrel Twist - 1x8Barrel Thread -..AR-15 300 AAC BLK 10.5" Nitro-Met Quad Upper Assembly with Socom St...$229.95$399.95
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AR-15 300 AAC BLK 7.5" KEYMOD UPPER ASSEMBLY WITH FLASH CONEAction: Semi-auto Gas System: Pistol Length Gas System Chamber: 300 AAC Twist Rate: 1/7 Muzzle Device: Flash Cone Can Barrel: 7.5" 300 AAC M4 hbar contour, phosphate finish, heat tr..AR-15 300 AAC BLK 7.5" KEYMOD UPPER ASSEMBLY WITH FLASH CONEAction:...$229.95$349.95
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AR-15 300 Blackout 7.5" Pistol Shark Quad Upper Assembly - Chamber - 300 Blackout Barrel Twist - 1x7 Barrel Thread - 5/8x24 Barrel Steel - Black Nitride Finish 4150 CMV Flash Hider - Shark Style Muzzle Brake Handguard - 7" Anodized Quadrail Fr..AR-15 300 Blackout 7.5" Pistol Shark Quad Upper Assembly ...$219.95$299.95
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AR-15 300AAC Blackout 16" Fluted "Black Shark" Upper Assembly. Created by Moriarti Armaments. CA and NY compliant. Action: Semi-auto Gas System: Carbine Length Gas System Chamber: 300 Blackout Twist Rate: 1/8 button rifled Barrel: 16" heavy barrel,..AR-15 300AAC Blackout 16" Fluted "Black Shark" Upper Assembly. Crea...$269.95$399.95
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T6 AluminumUS Made5.5 " Total Length5/8 x 24 ThreadExtends Barrel Length 5.5 InchesLaser Engraved With Military Style Markings300 AAC/ .308 Cal / 7.62x39 ..T6 AluminumUS Made5.5 " Total Length5/8 x 24 ThreadExtends Barrel L...$49.95 -
AR SlimLine MicroCone Flash 5/8x24Solid T6 Aluminum Body 5/8 x 24 Thread .308/ 300 AAC Blackout Cal Pushes Flash Forward Micro VersionMade in USA ..AR SlimLine MicroCone Flash 5/8x24Solid T6 Aluminum Body 5/8 x...$49.95
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AR GEN 2 STAINLESS STEEL MULTI PORT COMPENSATOR, 5/8x24 (AR-10, 300BLK, 7.62X39)Multi Port CompensatorFlat side, tanker style3 Side Porting Slots and 2 Top Porting Holes To Reduce Muzzle Climb And RecoilCrush Washer IncludedAll Steel Construction, Stainless Steel.308 Cal / 300 AAC Blackout / 7.62x39..AR GEN 2 STAINLESS STEEL MULTI PORT COMPENSATOR, 5/8x24 (AR-10, 300...$89.95 -
Multi Port CompensatorFlat side, tanker style3 Side Porting Slots and 2 Top Porting Holes To Reduce Muzzle Climb And RecoilCrush Washer IncludedAll Steel Construction, Black Nitride Coated.308 Cal / 300 AAC Blackout / 7.62x39 / AR-455/8 x 24 ThreadsUSA made ..Multi Port CompensatorFlat side, tanker style3 Side Porting Slots a...$89.95 -
AR-15 16" 300AAC BLK BARRETT STYLE 15" LIGHTWEIGHT FDE UPPER Barrel Length: 16"Gas System: CarbineBarrel Steel: 4150V Chrome Moly VanadiumBarrel Finish: NitrideMuzzle Thread: 5/8-24Chamber: 300 BlackoutTwist Rate: 1 in 8"Barrel Extension: M4Diameter at Gas Block: .750"Gas Block Type: ..AR-15 16" 300AAC BLK BARRETT STYLE 15" LIGHTWEIGHT FDE UPPER ...$249.95$349.95 -
-800x800-200x200.JPG "AR-15 16\" 300 AAC BLACKOUT BARRETT STYLE 15\" LIGHTWEIGHT MLOK UPPER")
AR-15 16" 300 AAC BLACKOUT PISTOL LENGTH 1/8 NITRIDE 15" LIGHTWEIGHT KEYMOD UPPER. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines. No special bolts or magazines to buy to get into a new caliber! Just drop an upper on your standard mil-spec AR-15 lower, and y..AR-15 16" 300 AAC BLACKOUT PISTOL LENGTH 1/8 NITRIDE 15" LIGHTWEIGH...$249.95$369.95 -
AR-15 16" 300 AAC BLACKOUT STAINLESS UPPER WITH THREAD PROTECTOR. New by Moriarti Armaments, CA and NY compliant. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines. No special bolts or magazines to buy to get into a new caliber! Just drop an upper on your stand..AR-15 16" 300 AAC BLACKOUT STAINLESS UPPER WITH THREAD PROTECTOR. N...$249.95$349.95
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AR-15 300 BLACKOUT 16" M4 KEYMOD UPPER ASSEMBLY WITH SLIP OVER BARREL SHROUD CA and NY compliant.Action: Semi-autoGas System: Pistol Length Gas SystemChamber: 300 AACTwist Rate: 1/8, button rifledMuzzle Device: Slip over barrel shroud with multi port muzzle brake, 5/8X24Barrel:&nbs..AR-15 300 BLACKOUT 16" M4 KEYMOD UPPER ASSEMBLY WITH SLIP OVER BARR...$249.95$399.95 -
AR-15 300 AAC 7.5" stainless steel blackout pistol barrel 1-7 twist. Made from 416 stainless steel hardened to 26-32 rc and stress relieved. 1-9 rh twist. 6 groove button rifled. Chambered in 5.56 nato (also accepts .223 rounds). .750"diameter under gas block. Standard 1/2-28 thread for..AR-15 300 AAC 7.5" stainless steel blackout pistol barrel 1-7 twist...$149.95 -
AR-15 300 AAC blackout 10.5" pistol upper assembly with flash coneBARREL - 10.5" 4150V PARKERIZED HBAR/HEAVY CONTOUR BARREL. HARDENED TO 26-32 RC AND STRESS RELEIVED. CHAMBERED IN 300 BLACKOUT. 1/7 RH TWIST. PISTOL GAS SYSTEM .750 UNDER GAS BLOCK. BARREL IS FINISHED OFF WITH A ..AR-15 300 AAC blackout 10.5" pistol upper assembly with flash...$219.95$399.95 -
AR-15 300 AAC blackout 10.5" hbar barrel 1-8 twist. Made from 4150; parkerized finish. 10.5" Heavy Barrel4150 Chrome Moly Vanadium SteelParkerized Finish1:8 Twist.300 Blackout CaliberPistol Length Gas System .750 gas block diameter 5/8-24 threads on muzzle end (the same as for .308 barr..AR-15 300 AAC blackout 10.5" hbar barrel 1-8 twist. Made from 4150;...$89.99$149.95 -
AR-15 300 AAC blackout 10.5" classic keymod upper assembly is a perfect addition to your AR pistol. No other modifications to your AR-15 is required. Uses standard AR-15 BCG. All you need is 300 BLK ammo and this upper - and you have a new AR. The 10.5" 300 BLK upper includes:Barrel - 10.5" heavy co..AR-15 300 AAC blackout 10.5" classic keymod upper assembly is a per...$199.95$399.95 -
AR-15 300 AAC Blackout 10.5" premium tactical pistol kit w/ 10" Mlok free float rail and Shockwave contains all components to complete your AR-15 build. The kit comes WITHOUT 80% stripped lower receiver. All options and modifications to your kit are available on top of this page. &nb..AR-15 300 AAC Blackout 10.5" premium tactical pistol kit w/ 10" Mlo...$389.95$569.95 -
AR-15 300 AAC Blackout 10.5" quadrail tactical pistol kit contains all components to complete your AR-15 build. The kit comes WITHOUT 80% stripped lower receiver. All options and modifications to your kit are available on top of this page. All components are Mil Spec and made i..AR-15 300 AAC Blackout 10.5" quadrail tactical pistol kit cont...$279.95$529.95
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AR-15 300 AAC 16" blackout M4 classic tactical rifle kit, AR-15 Mil Spec Lower Parts Kit. This rifle kit contains all components to complete your AR-15 Rifle. The rifle kit comes WITHOUT 80% lower receiver. All options and modifications to your kit are available on top of this page. All co..AR-15 300 AAC 16" blackout M4 classic tactical rifle kit, AR-1...$289.95$499.95
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AR-15 300 AAC blackout 16" M4 rifle kit w/ 15" slim rail. AR-15 Mil Spec Lower Parts Kit. This rifle kit contains all components to complete your AR-15 Rifle. The rifle kit comes WITHOUT 80% lower receiver. All options and modifications to your kit are available on top of this page. ..AR-15 300 AAC blackout 16" M4 rifle kit w/ 15" slim rail. &nbs...$279.95$499.95 -
AR-15 300 AAC blackout 16" pistol length upper assembly w/ 15" Mlok is a perfect addition to your AR pistol. No other modifications to your AR-15 is required. Uses standard AR-15 BCG. All you need is 300 BLK ammo and this upper - and you have a new AR. Barrel - 16" heavy contour barrel 415..AR-15 300 AAC blackout 16" pistol length upper assembly w/ 15" Mlok...$249.95$349.95
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AR-15 300 AAC blackout 16" stainless steel "Eagle Claw" complete upper assembly. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines. No special bolts or magazines to buy to get into a new caliber. Barrel - 16" 416 stainless steel hbar contour barrel...AR-15 300 AAC blackout 16" stainless steel "Eagle Claw" complete up...$299.95$429.95 -
AR-15 300 AAC blackout 16" stainless steel black diamond fluted upper assembly. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! No special bolts or magazines to buy to get into a new caliber. Current Pre-Order ETA: 3-4 weeks Barrel - 16" 416 ..AR-15 300 AAC blackout 16" stainless steel black diamond fluted upp...$399.95$499.95 -
AR-15 300 AAC 16" BLACKOUT STAINLESS STEEL DIAMOND FLUTED UPPER ASSEMBLY, 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! No special bolts or magazines to buy to get into a new caliber!Barrel - 16" 416 stainless steel hbar contour barrel. Hardened to 26..AR-15 300 AAC 16" BLACKOUT STAINLESS STEEL DIAMOND FLUTED UPPER ASS...$399.95$499.95 -
AR-15 300 AAC Blackout 16" stainless steel spiral fluted tactical upper assembly. 300 Blackout chamber uses AR-15/M16 BCG and standard AR-15 mags. The upper features:Barrel - 16" 416 stainless steel hbar contour barrel with x-treme spiral fluting. Hardened to 26-32 rc and stress releived. ..AR-15 300 AAC Blackout 16" stainless steel spiral fluted tacti...$399.95$499.95 -
AR-15 300 AAC blackout 16" stainless steel straight fluted tactical upper assembly. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines. No special bolts or magazines to buy to get into a new caliber! Just drop an upper on your standard mil-spec AR-15 lower, and ..AR-15 300 AAC blackout 16" stainless steel straight fluted tactical...$299.99$399.95
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AR-15 300 AAC blackout 7.5" nitride upper assembly w/ Mlok handguard is a perfect addition to your AR pistol. No other modifications to your AR-15 is required. Uses standard AR-15 BCG. All you need is 300 BLK ammo and this upper - and you have a new AR. Barrel - 7.5" heavy contour barrel 4..AR-15 300 AAC blackout 7.5" nitride upper assembly w/ Mlok handguar...$199.95$399.95
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AR-15 300 AAC Blackout 7.5" Pistol Build Kit w/ 4.5" M-Lok & Shockwave. This kit contains all components to complete your AR-15 project. The kit comes WITH 80% stripped lower receiver. All options and modifications to your kit are available on top of this page. All components are Mil S..AR-15 300 AAC Blackout 7.5" Pistol Build Kit w/ 4.5" M-Lok & Sh...$389.95$599.95 -
AR-15 300 AAC Blackout 7.5" tactical pistol kit. This kit contains all components to complete your AR-15 project. The kit comes WITHOUT 80% stripped lower receiver. All options and modifications to your kit are available on top of this page. All components are Mil Spec and made in the USA. ..AR-15 300 AAC Blackout 7.5" tactical pistol kit. This kit contains ...$279.95$479.95
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-200x200.jpg "AR-15 300 AAC Blackout 7.5\" tactical pistol kit w/ super slim rail")
AR-15 300 AAC Blackout 7.5" tactical pistol kit w/ super slim rail. This kit contains all components to complete your AR-15 project. The kit comes WITHOUT 80% stripped lower receiver. All options and modifications to your kit are available on top of this page. All components are Mil Spec and ma..AR-15 300 AAC Blackout 7.5" tactical pistol kit w/ super slim rail....$299.95$479.95
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AR-15 300 AAC Blackout 9" 4150 CMV barrel 1-7 twist MADE FROM 4150 CMV AND HARDENED TO 26-32 RC AND STRESS RELIEVED, PLATED BLACK. 1-7 RH TWIST CHAMBERED IN 300 AAC BLACKOUT .750"DIAMETER UNDER GAS BLOCK CARBINE LENGTH GAS SYSTEM 5/8-24 THREAD FOR ATTACHING MUZZLE D..AR-15 300 AAC Blackout 9" 4150 CMV barrel 1-7 twist MADE FR...$154.95 -
AR-15 300 AAC BLK 13.5'' PISTOL UPPER ASSEMBLY W/ 5.5" FAKE SUPPRESSOR is a perfect addition to your pistol look. Just drop this pistol upper assembly on your Mil-Spec lower receiver and enjoy the outdoors. Created by MA especially for you, all USA made. BARREL - 13.5" 41V50 CMV STEEL&nb..AR-15 300 AAC BLK 13.5'' PISTOL UPPER ASSEMBLY W/ 5.5" FAKE SUPPRES...$249.95$399.95 -
AR-15 300 AAC blackout 16" stainless steel black spiral fluted upper assembly. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! No special bolts or magazines to buy to get into a new caliber! Barrel - 16" 416 stainless steel hbar contour barrel. Hardene..AR-15 300 AAC blackout 16" stainless steel black spiral fluted uppe...$299.99$449.95 -
AR-15 300 blk 16" stainless steel straight fluted barrel 1-7 twist. This barrel has the gas port hole pre-drilled. Made from 416r stainless steel hardened to 26-32 rc and stress relieved. 1-7 rh twist. Chambered in 300 blackout. .750"diameter under gas block. Carbine length gas system. 5..AR-15 300 blk 16" stainless steel straight fluted barrel 1-7 twist....$189.95 -
AR-15 300 blk 4150 CMV 16" hbar barrel 1-7 twist. MADE FROM 4150 CMV AND HARDENED TO 26-32 RC AND STRESS RELIEVED, PLATED BLACK. 1-7 RH TWIST CHAMBERED IN 300 AAC BLACKOUT .750"DIAMETER UNDER GAS BLOCK CARBINE LENGTH GAS SYSTEM 5/8-24 THREAD FOR ATTACHING MUZZLE DEVIC..AR-15 300 blk 4150 CMV 16" hbar barrel 1-7 twist. MADE FROM 4150 CM...$149.95 -
AR-15 300 ACC 9" stainless steel barrel 1-7 twist. Made from 416r stainless steel. Heat treated and stress relieved. Chambered 300 aac blackout 1-7 rh twist button rifled Pistol length gas system .750 gas block diameter 5/8-24 threads on muzzle end Comes with barrel extension instal..AR-15 300 ACC 9" stainless steel barrel 1-7 twist. Made from 416r s...$149.95 -
-200x200.jpg "AR-15 300 Blackout 10.5\" complete pistol kit w/10\" slim mlok rail")
AR-15 300 Blackout 10.5" complete pistol kit w/10" slim mlok rail contains all components to complete your AR-15 build. The kit comes WITHOUT 80% stripped lower receiver. All options and modifications to your kit are available on top of this page. All components are Mil Spec and made..AR-15 300 Blackout 10.5" complete pistol kit w/10" slim mlok rail&n...$289.95$449.95
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AR-15 Barrel, 10.5" 416R Stainless Steel Heavy Barrel, .300 Blackout, Pistol Length Gas System w/ 1:8 Twist 10.5" Heavy Barrel416R Stainless SteelStainless Finish1:8 Twist.300 blackout CaliberPistol Length Gas System5/8x24 threadMade in USA ..AR-15 Barrel, 10.5" 416R Stainless Steel Heavy Barrel, .300 Blackou...$89.99$129.95 -
AR-15 300 Blackout 16" complete rifle kit w/10" slim M-Lok, AR-15 Mil Spec Lower Parts Kit. This rifle kit contains all components to complete your AR-15 Rifle. The rifle kit comes WITHOUT 80% lower receiver. All options and modifications to your kit are available on top of this page. All ..AR-15 300 Blackout 16" complete rifle kit w/10" slim M-Lok, AR...$279.95$499.95 -
AR-15 300 BLACKOUT 16" DIAMOND FLUTED STAINLESS STEEL BARREL 1-7. Made from 416 stainless steel hardened to 26-32 rc and stress relieved. 1-7 rh twist. 6 groove button rifled. Chambered in 300 blackout AAC. .750" diameter under gas block. Carbine length gas system 5/8-24 thread ..AR-15 300 BLACKOUT 16" DIAMOND FLUTED STAINLESS STEEL BARREL 1-7. ...$229.95 -
AR-15 300 Blackout 16" stainless steel spiral fluted barrel 1-7 twist. MADE FROM 416R STAINLESS STEEL HARDENED TO 26-32 RC AND STRESS RELIEVED. 1-7 RH TWIST SPIRAL FLUTED CHAMBERED IN 300 BLACKOUT. .750"DIAMETER UNDER GAS BLOCK. CARBINE LENGTH GAS SYSTEM. 5/8-24 THREAD FOR A..AR-15 300 Blackout 16" stainless steel spiral fluted barrel 1-7 twi...$229.95 -
AR-15 300 BLACKOUT 16" PULSE FLUTED BARREL THREADED. These barrels are chambered in .300 Blackout, made from 4140 steel , heat treated to RC 25-32. Melonite QPQ finish. Fluted models feature YHM's diamond fluting to improve rigidity and aid in barrel cooling. These barrels feature M4 style fee..AR-15 300 BLACKOUT 16" PULSE FLUTED BARREL THREADED. These barrels ...$215.95 -
AR-15 300 Blackout AAC 16" Magpul Moe Defender Rifle Kit - Various Colors. This kit contains all components to complete your AR-15 build. The kit comes WITHOUT 80% lower receiver. All options and modifications to your kit are available on top of this page. Upper and 80% Stripped Lower are ..AR-15 300 Blackout AAC 16" Magpul Moe Defender Rifle Kit - Var...$399.95$499.95 -
AR-15 9" .300 AAC BLACKOUT 1:7 NITRIDE UPPER W/ 9" LIGHTWEIGHT MLOK Barrel Length: 9" Barrel Profile: Heavy Barrel Steel: 4150 Chrome Moly Vanadium Barrel Finish: Nitride Barrel Extension: M4 Muzzle Thread: 5/8X24 Chamber: 300 AAC Twist Rate: 1 in 7"Gas System: Pistol LengthGas B..AR-15 9" .300 AAC BLACKOUT 1:7 NITRIDE UPPER W/ 9" LIGHTWEIGHT MLOK...$299.95$359.95