Rosco Manufacturing Bloodline .300 AAC Blackout Barrel 16 in Pistol Heavy 1-8 Twist 5/8x24 Thread Nitride Black BL-16-HB-300BLK-8-P

Faxon Firearms Ar-15 Barrels 300 Blackout Gunner Profile - 300 Aac Blackout 1-8 Twist 16" Barrel

Faxon's .300 AAC Blackout Gunner Barrels are machined from hardened 4150 Chrome moly in a unique contour that balances rigidity - for excellent accuracy - with light weight for maneuverability. From the muzzle back to the gas block .300 AAC Blackout... ... more

BSF Barrels AR Carbon Fiber Barrel AR-15 .300 AAC Blackout 10 in Pistol Length 1-8 Twist 5/8x24 Thread .875 OD Gray FP1510B0018

BSF Barrels AR Carbon Fiber Barrel AR-15 .300 AAC Blackout 10 in Pistol Length 1-8 Twist 5/8x24 Thread .875 OD Gray FP1510B0018. 300 AAC Blackout Carbon Fiber Barrel. These Rifle Barrels by BSF Barrels are constructed from .300 AAC Blackout chamberings... ... more

Rosco Manufacturing Purebred .300 AAC Blackout Barrel 10.5in Pistol Heavy 1-7 Twist 5/8x24 Thread 80 Grit Bead Blast Stainless PB-105-HB-300BLK-7-P

Rosco Manufacturing Purebred .300 AAC Blackout Barrel 10.5in Pistol Heavy 1-7 Twist 5/8x24 Thread 80 Grit Bead Blast Stainless PB-105-HB-300BLK-7-P. 300 AAC Blackout Barrel to advance your aim and overall performance when putting shots on target. These... ... more

Brenton USA Upper Receiver Guide .300 AAC Blackout 18in Barrel 5/8x24 Thread 1-8 Twist Midnight MarbleKote Midnight MarbleKote ULG18MM30B

Brenton USA Upper Receiver Guide .300 AAC Blackout 18in Barrel 5/8x24 Thread 1-8 Twist Midnight MarbleKote Midnight MarbleKote ULG18MM30B. Limited rifles are available in Midnight adjustable stock configuration only and include Black Nitride carrier... ... more

Dark Storm Industries DS-15 Typhoon Complete Upper Receiver .300 Blackout 7.5in Barrel M4 Pistol Profile 1-8 Twist 5/8x24 Thread M-Lok FirestormType

Dark Storm Industries DS-15 Typhoon Complete Upper Receiver .300 Blackout 7.5in Barrel M4 Pistol Profile 1-8 Twist 5/8x24 Thread M-Lok FirestormType. 5in .300 Blackout Complete Upper Receiver. These AR15 Upper Receivers through the expert product... ... more

Maxim Defense Industries MD15-1505 Upper Receiver .300 AAC Blackout 14.5in 5.5in Medium Barrel Pistol 1-5 Twist 5/8x24 Thread M-Slot Handguard

Maxim Defense Industries MD15-1505 Upper Receiver .300 AAC Blackout 14.5in 5.5in Medium Barrel Pistol 1-5 Twist 5/8x24 Thread M-Slot Handguard. R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec... ... more

OP Exclusive Moriarti AR-15 Upper Receiver 300 Blackout 16in Pistol Medium M-LOK 1-7 Twist 5/8x24 Thread Diamond Cut Free-Float Handguard Triport

OP Exclusive Moriarti AR-15 Upper Receiver 300 Blackout 16in Pistol Medium M-LOK 1-7 Twist 5/8x24 Thread Diamond Cut Free-Float Handguard Triport. These AR15 Upper Receivers from the professional product professionals at Moriarti are made by using... ... more

Radian Weapons Model 1 Complete Upper Receiver .300 AAC Blackout 9 in Barrel Custom Pistol Length 1-5 Twist 5/8x24 Thread M-LOK Deadair Flash Hider

Radian Weapons Model 1 Complete Upper Receiver .300 AAC Blackout 9 in Barrel Custom Pistol Length 1-5 Twist 5/8x24 Thread M-LOK Deadair Flash Hider. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

BSF Barrels AR Carbon Fiber Barrel AR-15 .300 AAC Blackout 16 in Pistol Length 1-7 Twist 5/8x24 Thread .875 OD Gray FP1516B0087

BSF Barrels AR Carbon Fiber Barrel AR-15 .300 AAC Blackout 16 in Pistol Length 1-7 Twist 5/8x24 Thread .875 OD Gray FP1516B0087. 300 AAC Blackout Carbon Fiber Barrel. These Rifle Barrels by BSF Barrels are constructed from .300 AAC Blackout chamberings... ... more

Rosco Manufacturing Purebred .300 AAC Blackout Barrel 16in Pistol Heavy 1-8 Twist 5/8x24 Thread 80 Grit Bead Blast Stainless PB-16-HB-300BLK-8-P

Rosco Manufacturing Purebred .300 AAC Blackout Barrel 16in Pistol Heavy 1-8 Twist 5/8x24 Thread 80 Grit Bead Blast Stainless PB-16-HB-300BLK-8-P. 300 AAC Blackout Barrel to advance your aim and overall performance when putting shots on target. These... ... more

BSF Barrels AR Carbon Fiber Barrel AR-15 .300 AAC Blackout 10 in Pistol Length 1-7 Twist 5/8x24 Thread .875 OD Gray FP1510B0017

BSF Barrels AR Carbon Fiber Barrel AR-15 .300 AAC Blackout 10 in Pistol Length 1-7 Twist 5/8x24 Thread .875 OD Gray FP1510B0017. 300 AAC Blackout Carbon Fiber Barrel. These Rifle Barrels by BSF Barrels are constructed from .300 AAC Blackout chamberings... ... more

BSF Barrels AR Carbon Fiber Barrel AR-15 .300 AAC Blackout 14.5 in Pistol Length 1-7 Twist 5/8x24 Thread .875 OD Gray FP1514B0087

BSF Barrels AR Carbon Fiber Barrel AR-15 .300 AAC Blackout 14.5 in Pistol Length 1-7 Twist 5/8x24 Thread .875 OD Gray FP1514B0087. 300 AAC Blackout Carbon Fiber Barrel. These Rifle Barrels by BSF Barrels are constructed from .300 AAC Blackout... ... more

Brenton USA Upper Receiver Scout .300 Blackout 18in Barrel 5/8x24 Thread 1-8 Twist Harvest MarbleKote Harvest MarbleKote UPS18HM30B

Brenton USA Upper Receiver Scout .300 Blackout 18in Barrel 5/8x24 Thread 1-8 Twist Harvest MarbleKote Harvest MarbleKote UPS18HM30B. Pursuit rifles look feel and perform like you expect a perfectly balanced system should. Pursuit rifles are perfect for... ... more

Maxim Defense Industries MD15-1505 Upper Receiver .300 AAC Blackout 14.5in 5.5in Medium Barrel Pistol 1-5 Twist 5/8x24 Thread M-Slot Handguard

Maxim Defense Industries MD15-1505 Upper Receiver .300 AAC Blackout 14.5in 5.5in Medium Barrel Pistol 1-5 Twist 5/8x24 Thread M-Slot Handguard. R.G is built to handle the fierce demands of the Tier 1 community and designed to install on any Mil-Spec... ... more

Brenton USA Upper Receiver Scout .300 Blackout 18in Barrel 5/8x24 Thread 1-8 Twist Autumn MarbleKote Autumn MarbleKote UPS18AM30B

Brenton USA Upper Receiver Scout .300 Blackout 18in Barrel 5/8x24 Thread 1-8 Twist Autumn MarbleKote Autumn MarbleKote UPS18AM30B. Pursuit rifles look feel and perform like you expect a perfectly balanced system should. Pursuit rifles are perfect for... ... more

Brenton USA Upper Receiver Scout .300 Blackout 18in Barrel 5/8x24 Thread 1-8 Twist Snow MarbleKote Snow MarbleKote UPS18SM30B

Brenton USA Upper Receiver Scout .300 Blackout 18in Barrel 5/8x24 Thread 1-8 Twist Snow MarbleKote Snow MarbleKote UPS18SM30B. Pursuit rifles look feel and perform like you expect a perfectly balanced system should. Pursuit rifles are perfect for the... ... more

Brenton USA Upper Receiver Scout .300 Blackout 18in Barrel 5/8x24 Thread 1-8 Twist Harvest MarbleKote Midnight MarbleKote UPS18MM30B

Brenton USA Upper Receiver Scout .300 Blackout 18in Barrel 5/8x24 Thread 1-8 Twist Harvest MarbleKote Midnight MarbleKote UPS18MM30B. Pursuit rifles look feel and perform like you expect a perfectly balanced system should. Pursuit rifles are perfect... ... more

Brenton USA Upper Receiver Scout .300 Blackout 18in Barrel 5/8x24 Thread 1-8 Twist Foliage MarbleKote FoliageMarbleKote UPS18FM30B

Brenton USA Upper Receiver Scout .300 Blackout 18in Barrel 5/8x24 Thread 1-8 Twist Foliage MarbleKote FoliageMarbleKote UPS18FM30B. Pursuit rifles look feel and perform like you expect a perfectly balanced system should. Pursuit rifles are perfect for... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTSCU8300BR

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTSCU8300BR. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Red XTSCU8300RD

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Red XTSCU8300RD. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Blue XTSCU8300BL

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Blue XTSCU8300BL. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Purple XTSCU8300PP

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Purple XTSCU8300PP. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

Rosco Manufacturing Bloodline .300 AAC Blackout Barrel 10.5 in Pistol Heavy 1-7 Twist 5/8x24 Thread Nitride Black BL-105-HB-300BLK-7-P

Rosco Manufacturing Bloodline .300 AAC Blackout Barrel 10.5 in Pistol Heavy 1-7 Twist 5/8x24 Thread Nitride Black BL-105-HB-300BLK-7-P. This is the shortest that Rosco Manufacturing will go to allow you the flexibility of a shorter Personal Defense... ... more

Rosco Manufacturing Bloodline .300 AAC Blackout Barrel 8.2 in Pistol Heavy 1-7 Twist 5/8x24 Thread Nitride Black BL-82-HB-300BLK-7-P

Rosco Manufacturing Bloodline .300 AAC Blackout Barrel 8.2 in Pistol Heavy 1-7 Twist 5/8x24 Thread Nitride Black BL-82-HB-300BLK-7-P. This is the shortest that Rosco Manufacturing will go to allow you the flexibility of a shorter Personal Defense... ... more

Sons of Liberty Gun Works Threaded Barrel .300 AAC Blackout 9in DRP Profile Pistol Gas 5/8x24 1-7 Twist QPQ Black 9COMBAT300

Sons of Liberty Gun Works Threaded Barrel .300 AAC Blackout 9in DRP Profile Pistol Gas 5/8x24 1-7 Twist QPQ Black 9COMBAT300. 300 AAC Blackout Barrel Profile: DRP Gas System Length: Pistol Length Gas Block Journal Size-Diameter: .750 in Threads per... ... more

V Seven 300 AAC Blackout Stainless Match Medium Contour 5.5 inch 1-7 Twist 5/8x24 Thread 416R 300 AAC Blackout Stainless Steel 300M7T 5.5

V Seven 300 AAC Blackout Stainless Match Medium Contour 5.5 inch 1-7 Twist 5/8x24 Thread 416R 300 AAC Blackout Stainless Steel 300M7T 5.5. V Seven machined these AR15 Barrels from 416R stainless steel for maximum ruggedness. Each V Seven 300 AAC... ... more

Grey Ghost Precision Complete Upper .300 Blackout 25.75in 16 inch 1-10 5/8x24 Heavy Pistol M-LOK Anodized Finish Black GGP-300-16-UC

Grey Ghost Precision Complete Upper .300 Blackout 25.75in 16 inch 1-10 5/8x24 Heavy Pistol M-LOK Anodized Finish Black GGP-300-16-UC. 300 AAC Blackout has become a favorite among hunters due to its lack of recoil and relatively short overall length... ... more

Rosco Manufacturing Purebred .300 AAC Blackout Barrel 8.2in Pistol Heavy 1-7 Twist 5/8x24 Thread 80 Grit Bead Blast Stainless PB-82-HB-300BLK-7-P

Rosco Manufacturing Purebred .300 AAC Blackout Barrel 8.2in Pistol Heavy 1-7 Twist 5/8x24 Thread 80 Grit Bead Blast Stainless PB-82-HB-300BLK-7-P. 300 AAC Blackout Barrel to advance your aim and overall performance when putting shots on target. These... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Silver XTSCU8300SL

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Silver XTSCU8300SL. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

CBC Industries 300 AAC Blackout AR-15 Barrel 5/8x24 1-8 Pistol Length 16in Black Nitride 110-320

CBC Industries 300 AAC Blackout AR-15 Barrel 5/8x24 1-8 Pistol Length 16in Black Nitride 110-320. This barrel has a nitride finish for increased strength and durability. This provides not only an impressive barrel life but ensures excellent accuracy.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish OD Green XTSCU8300OD

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish OD Green XTSCU8300OD. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

CBC Industries 300 AAC Blackout AR-15 Barrel 5/8x24 1-8 Pistol Length 7.5in Black Nitride 110-120

CBC Industries 300 AAC Blackout AR-15 Barrel 5/8x24 1-8 Pistol Length 7.5in Black Nitride 110-120. This barrel has a nitride finish for increased strength and durability. This provides not only an impressive barrel life but ensures excellent accuracy.... ... more

Moriarti AR-15 Pistol Barrel Threaded .300 AAC Blackout 10.5 inch Medium 1-7 Twist 5/8x24 Thread Nitride Nitride 10.5 inch MAR-300AAC-105-BRL

Moriarti AR-15 Pistol Barrel Threaded .300 AAC Blackout 10.5 inch Medium 1-7 Twist 5/8x24 Thread Nitride Nitride 10.5 inch MAR-300AAC-105-BRL. 300 AAC Blackout Pistol Barrel Threaded then you've found yourself in the right spot.. These AR15 Barrels... ... more

Faxon Firearms Match Barrel AR Platform AR-15 300 BLK 7.5in Gunner Pistol Length 1-5 Twist 5/8x24 Thread Black 15B35P7NGQ-5R-NP3

Faxon Firearms Match Barrel AR Platform AR-15 300 BLK 7.5in Gunner Pistol Length 1-5 Twist 5/8x24 Thread Black 15B35P7NGQ-5R-NP3. The 300 Blackout cartridge yields increased performance in shorter barrels and effective subsonic performance. By speeding... ... more

TRYBE Defense Threaded Barrel AR-15 .300 Blackout 10.5 inch Government Profile Pistol Length 1-7 Twist 5/8x24 Thread Nitride Finish Black

TRYBE Defense Threaded Barrel AR-15 .300 Blackout 10.5 inch Government Profile Pistol Length 1-7 Twist 5/8x24 Thread Nitride Finish Black. This 10.5" barrel chambered in .300 AAC Blackout boasts a beautiful government profile and is milled from 4150... ... more

Rock River Arms Completed Upper Receiver Coyote Carbine .300 AAC Blackout 16 Inch Barrel 1-8 Twist 5/8-24 Thread Free-Float Handguard Vortex Flash

Rock River Arms Completed Upper Receiver Coyote Carbine .300 AAC Blackout 16 Inch Barrel 1-8 Twist 5/8-24 Thread Free-Float Handguard Vortex Flash. 300 AAC Blackout Completed Upper then you've showed up at the ideal spot.. These AR15 Upper Receivers... ... more

Wilson Combat Match Grade Barrel AR-15 300 Blackout 16 in Ultralight Hunter Pistol Length 1-7 Twist 5/8x24 Threaded Glass Bead TR-300ULPG16RT7

Wilson Combat Match Grade Barrel AR-15 300 Blackout 16 in Ultralight Hunter Pistol Length 1-7 Twist 5/8x24 Threaded Glass Bead TR-300ULPG16RT7. These proven barrels feature a hand-polished bore and feedramps and then complete a rigorous final... ... more