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

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

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

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

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

OP Exclusive Moriarti AR-15 Upper Receiver 300 Blackout 10.5in Pistol Medium M-LOK 1-7 Twist 5/8x24 Thread Diamond Cut Free-Float Handguard A2 Flash

OP Exclusive Moriarti AR-15 Upper Receiver 300 Blackout 10.5in Pistol Medium M-LOK 1-7 Twist 5/8x24 Thread Diamond Cut Free-Float Handguard A2 Flash. 5in 300 Blackout Upper Receiver A2 Flash Hider then you've come to the absolute correct location..... ... more

Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver 8in 1-7 Twist 5/8x24 Thread ATLAS R-ONE Handguard FDE Cerakote APAR700711M1

Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver 8in 1-7 Twist 5/8x24 Thread ATLAS R-ONE Handguard FDE Cerakote APAR700711M1. 300 Blackout Complete Upper Receiver. Each of these AR15 Upper Receivers designed by Aero Precision contain... ... 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

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

Rainier Arms Select 300BLK Barrel 16in 1-7 Twist 5/8x24 Black Medium RAB-SEL-300-16-P-NF-BLK

Rainier Arms Select 300BLK Barrel 16in 1-7 Twist 5/8x24 Black Medium RAB-SEL-300-16-P-NF-BLK. We are able to reach our goal by sourcing a very high end barrel blank at an affordable price. We start off using a high precision match blank in 1:7 twist... ... 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

OP Exclusive Moriarti AR-15 Upper Receiver 300 Blackout 10.5in 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 10.5in Pistol Medium M-LOK 1-7 Twist 5/8x24 Thread Diamond Cut Free-Float Handguard Triport. 5in 300 Blackout Upper Receiver Triport then you have arrived at the right place.. These AR15 Upper... ... 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

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

Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver 10in 1-7 Twist 5/8x24 Thread ATLAS R-ONE Handguard FDE Cerakote APAR700712M4

Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver 10in 1-7 Twist 5/8x24 Thread ATLAS R-ONE Handguard FDE Cerakote APAR700712M4. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate... ... more

V Seven 300 AAC Blackout Stainless Match Medium Contour 12.5in 300M7T 12.5

V Seven 300 AAC Blackout Stainless Match Medium Contour 12.5in 300M7T 12.5. V Seven machined these AR15 Barrels from 416R stainless steel for maximum ruggedness. Each V Seven 300 AAC Blackout Rifle Barrel is V Seven Match Lapped and the barrel... ... more

V Seven 300 AAC Blackout Stainless Match Medium Contour 6.5in Fluted 300M7T 6.5-F

V Seven 300 AAC Blackout Stainless Match Medium Contour 6.5in Fluted 300M7T 6.5-F. V Seven machined these AR15 Barrels from 416R stainless steel for maximum ruggedness. Each V Seven 300 AAC Blackout Rifle Barrel is V Seven Match Lapped and the barrel... ... more

SSK Firearms 300 Whisper SSK-50 / Contender 16.25 Inch Barrel with TSOB Scope Base and Thread Protector 1-7 Twist 5/8x24 TPI C8012

SSK Firearms 300 Whisper SSK-50 / Contender 16.25 Inch Barrel with TSOB Scope Base and Thread Protector 1-7 Twist 5/8x24 TPI C8012. . These Rifle Barrels through the skilled product professionals at SSK Firearms are made by using dependable and... ... 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

Wilson Combat Complete Upper Receiver Protector 300 HAM'R 16 inch Barrel Mid Length 1-15 Twist 5/8x24 Thread M-LOK Handguard Q-COMP Armor-Tuff Black

Wilson Combat Complete Upper Receiver Protector 300 HAM'R 16 inch Barrel Mid Length 1-15 Twist 5/8x24 Thread M-LOK Handguard Q-COMP Armor-Tuff Black. The Wilson Combat machined hand polished match grade stainless barrel is the core of these accurate... ... more

V Seven 300 AAC Blackout Stainless Match Medium Contour 6.5in 300M7T 6.5

V Seven 300 AAC Blackout Stainless Match Medium Contour 6.5in 300M7T 6.5. V Seven machined these AR15 Barrels from 416R stainless steel for maximum ruggedness. Each V Seven 300 AAC Blackout Rifle Barrel is V Seven Match Lapped and the barrel extension... ... more

V Seven Valkyrie Stainless Match Barrel .224 1-7 twist 1/2X28 Thread 22in Stainless Steel224M7T-22

V Seven Valkyrie Stainless Match Barrel .224 1-7 twist 1/2X28 Thread 22in Stainless Steel224M7T-22. V Seven Tactical has a wide variety of barrels in house that are built to get you shooting right away. All barrels are machined from 416R stainless... ... 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

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

OP Exclusive Moriarti AR-15 Upper Receiver 300 Blackout 10.5in Pistol Medium M-LOK 1-7 Twist 5/8x24 Thread Diamond Cut Free-Float Handguard Slanted

OP Exclusive Moriarti AR-15 Upper Receiver 300 Blackout 10.5in Pistol Medium M-LOK 1-7 Twist 5/8x24 Thread Diamond Cut Free-Float Handguard Slanted. 5in 300 Blackout Upper Receiver Slanted Muzzle was developed to be the best item for anyone in need of... ... 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

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

V Seven 300 AAC Blackout Stainless Match Medium Contour 16in 300M7T 16

V Seven 300 AAC Blackout Stainless Match Medium Contour 16in 300M7T 16. V Seven machined these AR15 Barrels from 416R stainless steel for maximum ruggedness. Each V Seven 300 AAC Blackout Rifle Barrel is V Seven Match Lapped and the barrel extension... ... more

Moriarti Complete Upper Receiver AR-15 .300 AAC Blackout 16 inch Barrel Medium Profile Pistol Length 1x7 Twist 5/8X24 Thread M-LOK Handguard Triport

Moriarti Complete Upper Receiver AR-15 .300 AAC Blackout 16 inch Barrel Medium Profile Pistol Length 1x7 Twist 5/8X24 Thread M-LOK Handguard Triport. No other modifications to your AR-15 is required. Uses standard AR-15 BCG. All you need is 300 BLK... ... more

Sons of Liberty Gun Works Threaded Barrel .300 AAC Blackout 10.5in DRP Profile Pistol Gas 5/8x24 1-7 Twist QPQ Black 10.5COMBAT300

Sons of Liberty Gun Works Threaded Barrel .300 AAC Blackout 10.5in DRP Profile Pistol Gas 5/8x24 1-7 Twist QPQ Black 10.5COMBAT300. 300 AAC Blackout Barrel Profile: DRP Gas System Length: Pistol Length Gas Block Journal Size-Diameter: .750 in Threads... ... more

Ballistic Advantage Modern Barrel AR-15 .300 6in DPR Contour 1/7 Twist 5/8x24 Thread QPQ Corrosion Resistant Black BABL300013M

Ballistic Advantage Modern Barrel AR-15 .300 6in DPR Contour 1/7 Twist 5/8x24 Thread QPQ Corrosion Resistant Black BABL300013M. Ballistic Advantage built these Rifle Barrels with a 1:7 twist rate and QPQ corrosion resistant finish that hold up in any... ... more

V Seven Valkyrie Stainless Match Barrel .224 1-7 twist 1/2X28 Thread 20in Stainless Steel 224M7T-20

V Seven Valkyrie Stainless Match Barrel .224 1-7 twist 1/2X28 Thread 20in Stainless Steel 224M7T-20. V Seven Tactical has a wide variety of barrels in house that are built to get you shooting right away. All barrels are machined from 416R stainless... ... more

Veritas Tactical Micro Barrel AR-15 .300 Blackout 5in Heavy Contour 1-7 Twist VT Micro 1/2 x 28 Thread Black MB-5-HB-300-7-NTE

Veritas Tactical Micro Barrel AR-15 .300 Blackout 5in Heavy Contour 1-7 Twist VT Micro 1/2 x 28 Thread Black MB-5-HB-300-7-NTE. Each barrel comes with Veritass patented micro gas tube which was designed to work exclusively with the Veritas Micro... ... more

Veritas Tactical Pro Match Pistol Length Barrel 8.3in Medium Profile 1/7 Twist 5/8 x 24 Thread Black Nitride PB-83-M4-300-7-N

Veritas Tactical Pro Match Pistol Length Barrel 8.3in Medium Profile 1/7 Twist 5/8 x 24 Thread Black Nitride PB-83-M4-300-7-N. It is a combination of standard and polygonal rifling. The primary function of this innovation is to provide an improved... ... more

V Seven Valkyrie Stainless Match Barrel .224 1-7 twist 1/2X28 Thread 18in Stainless Steel 224M7T-18

V Seven Valkyrie Stainless Match Barrel .224 1-7 twist 1/2X28 Thread 18in Stainless Steel 224M7T-18. V Seven Tactical has a wide variety of barrels in house that are built to get you shooting right away. All barrels are machined from 416R stainless... ... more

Airborne Arms AAS8 Spectre Muzzle Brake .300 AAC/7.62/6.5/6mm ARC 5/8x24 Threads Per Inch Black Small AAUP-BLS8

Airborne Arms AAS8 Spectre Muzzle Brake .300 AAC/7.62/6.5/6mm ARC 5/8x24 Threads Per Inch Black Small AAUP-BLS8. The Spectre Muzzle Brakes are precision CNC-machined from a solid bar of stainless steel and coated with a black QPQ nitrocarburized case... ... more

Jacob Grey Firearms Threaded Rifle Barrel AR Platform AR-15 .300 Blackout 16in Carbine Length 1-7 Twist 5/8x24 Thread Black 300BO16B

Jacob Grey Firearms Threaded Rifle Barrel AR Platform AR-15 .300 Blackout 16in Carbine Length 1-7 Twist 5/8x24 Thread Black 300BO16B. If youre not already a fan of this cartridge take it to the range and you will be. You can have an AR that not only... ... more