Your shopping cart is empty!
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.
-
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...$549.95 -
AR-15 300 AAC Blackout 16" Carbine "BLACK CANON" UPPER ASSEMBLY . CA and NY compliant.Action: Semi-autoGas System: Pistol Length Gas SystemChamber: 300 BlackoutTwist Rate: 1/8 button rifledBarrel: 16" heavy barrel, 4150V steel, chrome moly, heat treated, black, M4 ..AR-15 300 AAC Blackout 16" Carbine "BLACK CANON" UPPER ASSEMBLY&nbs...$269.95$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 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...$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...$299.95$399.95
-
AR-15 300 AAC BLK 7.5" Cookie Cutter Upper Assembly / QuadrailAction: Semi-auto Gas System: Pistol Length Gas System Chamber: 300 AAC Twist Rate: 1/8 Muzzle Device: Strikes Industries Cookie Cutter compensator (reduces recoil on short barreled rifles and p..AR-15 300 AAC BLK 7.5" Cookie Cutter Upper Assembly / QuadrailActio...$299.95$399.95 -
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:...$289.95$349.95
-
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 ...$279.95$349.95
-
Barrel Length: 16"Gas System: PistolBarrel Steel: 4150V Chrome Moly VanadiumBarrel Finish: PhosphateMuzzle Thread: 5/8-24Chamber: 300 BlackoutTwist Rate: 1 in 8"Barrel Extension: M4Diameter at Gas Block: .750"Gas Block Type: Low-profile steelMuzzle Device: Triport Muzzle BrakeReceiver Material: Forg..Barrel Length: 16"Gas System: PistolBarrel Steel: 4150V Chrome Moly...$249.95$349.95 -
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
-
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. WE NOW MAKE THIS ITEM WITH MLOK RAIL. 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: M4Diame..AR-15 16" 300AAC BLK BARRETT STYLE 15" LIGHTWEIGHT FDE UPPER....$299.95$399.95
-
-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...$299.95$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...$349.95
-
AR-15 300 AAC 7.5"pistol kit - KEYMOD / SBA3 / SHORTIE This AR Pistol kit includes EVERYTHING you need to build the Shorty except for a stripped 80% lower receiver. The foundation of this pistol kit is a MIL-SPEC type III upper receiver with a hard coat anodized finish and machined from 7..AR-15 300 AAC 7.5"pistol kit - KEYMOD / SBA3 / SHORTIE T...$549.95$649.95 -
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...$269.95$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...$299.95$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;...$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...$249.95$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...$479.95$599.95 -
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...$399.95$499.95
-
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...$449.95$529.95
-
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...$469.95$549.95
-
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...$269.95$349.95
-
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. Barrel - 16" 416 stainless steel hbar contou..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 h-bar contour barrel. Hardened to 2..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
-
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...$249.95$399.95
-
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...$429.95$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 ...$449.95$499.95
-
-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....$449.95$529.95
-
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...$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...$439.95$499.95
-
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...$129.95 -
AR-15 300 Blackout 16" black diamond modular bull upper assembly is offered exclusively by Moriarti Armaments. The upper receiver features:Barrel - 16" 416 stainless steel bull contour barrel with black diamond fluting. Hardened to 26-32 rc and stress releived. Chambered in 300 Blackout. ..AR-15 300 Blackout 16" black diamond modular bull upper assemb...$499.95 -
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...$599.95 -
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 ...$249.95 -
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...$429.95$499.95 -
AR-15 300 BLK 16" STAINLESS BLACK CLAW PREMIUM KEYMOD UPPER ASSEMBLY. Barrel - 16" 416R stainless steel contour barrel. Hardened to 26-32 rc and stress relieved. Chambered in 300 BLACKOUT, 1-8 rh twist. Bear Claw spiral flutes. Button rifled. .750 under gas block. 5/8-24 threads. Barrel is..AR-15 300 BLK 16" STAINLESS BLACK CLAW PREMIUM KEYMOD UPPER ASSEMBL...$299.95$399.95
-
AR-15 9" .300 AAC BLACKOUT 1:7 STAINLESS 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 Len..AR-15 9" .300 AAC BLACKOUT 1:7 STAINLESS UPPER W/ 9" LIGHTWEI...$299.95$399.95