Primary Weapons Uxr 300 Aac Blackout Conversion Kit - Uxr 300 Aac Blackout 14.5" Barrel Conversion K

Daniel Defense DDM4 300 S URG 300 AAC Blackout 1/8 S2W LPG DDM4 Rail 9.0 DDFS Complete Upper Receiver w/ Flash Hider Black 10.3in 23-088-19020-047

Daniel Defense DDM4 300 S URG 300 AAC Blackout 1/8 S2W LPG DDM4 Rail 9.0 DDFS Complete Upper Receiver w/ Flash Hider Black 10.3in 23-088-19020-047. 3-inch barrel with a Strength-to-Weight profile. Daniel Defense produces these AR15 Upper Receivers... ... more

POF USA Renegade Plus Upper Receiver Assembly .300 AAC Blackout 10.5in Barrel 9.5in Picatinny Rail Carakote Burnt Bronze 1447

POF USA Renegade Plus Upper Receiver Assembly .300 AAC Blackout 10.5in Barrel 9.5in Picatinny Rail Carakote Burnt Bronze 1447. Designed to stand out from the crowd of other AR15 Upper Receivers the Renegade Plus has high-quality improvements like... ... more

POF USA Renegade Plus Upper Receiver Assembly .300 AAC Blackout 10.5in Barrel 9.5in Picatinny Rail Black Anodized 1446

POF USA Renegade Plus Upper Receiver Assembly .300 AAC Blackout 10.5in Barrel 9.5in Picatinny Rail Black Anodized 1446. Designed to stand out from the crowd of other AR15 Upper Receivers the Renegade Plus has high-quality improvements like POF's... ... more

Cmmg Ar-15/M16 300 Blk Barrels - Ar15 12.5" 300blk Mr Barrel

Direct replacement for the standard .223/5.56mm barrel converts your AR-15 to the high-performance 300 AAC Blackout (300BLK) cartridge. The 300 AAC lets you upgrade your rifle to 7.62 x 39 ballistics, while retaining the standard AR-15/M16 bolt,... ... more

Cmmg Ar-15/M16 300 Blk Barrels - Ar15 8.2" 300blk Mr Barrel

Direct replacement for the standard .223/5.56mm barrel converts your AR-15 to the high-performance 300 AAC Blackout (300BLK) cartridge. The 300 AAC lets you upgrade your rifle to 7.62 x 39 ballistics, while retaining the standard AR-15/M16 bolt,... ... more

Clymer Go/No-Go Gauge Sets - 300 Aac Blackout Headspace Gauge Kit

Convenient kits contain X"XGoX"X and X"XNo-GoX"X gauges for accurately checking chamber length to make sure it meets SAAMI specs. These gauges are essential tools for ensuring a tight, accurate, safe chamber when chambering a new barrel. Always have... ... more

Faxon Firearms Ar-15 Barrels 300 Blackout Gunner Profile - 300 Aac Blackout 1-8 Twist 7.5" 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

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

Faxon Firearms Ar-15 Barrels 300 Blackout Gunner Profile - 300 Aac Blackout 1-8 Twist 10.5" 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

American Defense Manufacturing 300 Out 10.5 Inch Barrel M-Lok Rail Upper Reciever Midnight Bronze 10.5 in UICCUBOBRZ10M2MLOK

American Defense Manufacturing 300 Out 10.5 Inch Barrel M-Lok Rail Upper Reciever Midnight Bronze 10.5 in UICCUBOBRZ10M2MLOK. 5 Inch Barrel M-Lok Rail Upper Reciever lives up to its name. American Defense Manufacturing crafted this .300 AAC Blackout... ... more

American Defense Manufacturing 300 Out 10.5 Inch Barrel M-Lok Rail Upper Reciever Olive Drab 10.5 in UICCUBOOD10M2MLOK

American Defense Manufacturing 300 Out 10.5 Inch Barrel M-Lok Rail Upper Reciever Olive Drab 10.5 in UICCUBOOD10M2MLOK. 5 Inch Barrel M-Lok Rail Upper Reciever lives up to its name. American Defense Manufacturing crafted this .300 AAC Blackout Rifle... ... more

Tacfire PK300LPK-7 300 AAC 7.5 PSTL BUILD KIT PK300LPK7

Tacfire PK300LPK-7 300 AAC 7.5 PSTL BUILD KIT PK300LPK7. 5inch UNASSEMBLED .300 AAC PISTOL BUILD KIT Specifications for Tacfire PK300LPK-7 300 AAC 7.5 PSTL BUILD KIT PK300LPK7: Manufacturer: TacFire Cartridge: .300 AAC Blackout Charging Handle... ... more

American Defense Manufacturing M-Lok Rail Upper Receiver .300 Blackout 10.5in ADM Nitrite BCG Black UICCUBOBLK10M2MLOK

American Defense Manufacturing M-Lok Rail Upper Receiver .300 Blackout 10.5in ADM Nitrite BCG Black UICCUBOBLK10M2MLOK. 5 Inch Barrel M-Lok Rail Upper Reciever lives up to its name. American Defense Manufacturing crafted this .300 AAC Blackout Rifle... ... 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

JP Enterprises Supermatch Barrel With Headspaced Jp Enhanced Bolt 300 Blackout Chamber 16in Black JPSM300BLK-16L8P-BT

JP Enterprises Supermatch Barrel With Headspaced Jp Enhanced Bolt 300 Blackout Chamber 16in Black JPSM300BLK-16L8P-BT. 300 AAC Blackout Weight: 1.75 lb Features of JP Enterprises Supermatch Barrel With Headspaced Jp Enhanced Bolt 300 Blackout... ... 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 1-8 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... ... 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

BSF Barrels AR Carbon Fiber Barrel AR-15 .300 AAC Blackout 14.5 in Pistol Length 1-8 Twist 5/8x24 Thread .875 OD Gray FP1514B0088

BSF Barrels AR Carbon Fiber Barrel AR-15 .300 AAC Blackout 14.5 in Pistol Length 1-8 Twist 5/8x24 Thread .875 OD Gray FP1514B0088. 300 AAC Blackout Carbon Fiber Barrel. These Rifle Barrels by BSF Barrels are constructed from .300 AAC Blackout... ... 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... ... 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... ... more

BSF Barrels AR Carbon Fiber Barrel AR-15 .300 AAC Blackout 16 in Pistol Length 1-8 Twist 5/8x24 Thread .875 OD Gray FP1516B0028

BSF Barrels AR Carbon Fiber Barrel AR-15 .300 AAC Blackout 16 in Pistol Length 1-8 Twist 5/8x24 Thread .875 OD Gray FP1516B0028. 300 AAC Blackout Carbon Fiber Barrel. These Rifle Barrels by BSF Barrels are constructed from .300 AAC Blackout... ... more

Guntec USA AR .308 Slip Over Barrel Shroud w/Multi Port Muzzle Brake Black 1326-MB-P-308

Guntec USA AR .308 Slip Over Barrel Shroud w/Multi Port Muzzle Brake Black 1326-MB-P-308. .308? 300 AAC Blackout? Looking for a barrel shroud that does double duty on your existing shroud/ muzzle brake setup? The AR-10 .308 comp is a dual purpose... ... more

Wilson Combat Ar-15 Sbr Tactical Barrel 300 Blackout - 300 Aac Blackout 1-7 Twist 11.3" Barrel

Designed for use on an NFA-registered short-barreled rifle, the Wilson Combat AR-15 SBR Tactical Barrel is specifically tuned to provide enhanced performance from a compact platform chambered in one of the AR world's most popular close-quarter... ... more

Desert Tech MDRx Barrel Assembly w/ Forward Ejection .300 AAC Blackout 16in Length Black MDR-BR-D16-FE

Desert Tech MDRx Barrel Assembly w/ Forward Ejection .300 AAC Blackout 16in Length Black MDR-BR-D16-FE. Equipping your firearm with these Gun Barrels by Desert Tech gives your shooting experience a boost by allowing you to shoot with greater... ... 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 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

Desert Tech MDRx Forward Eject Caliber Conversion Kit w/ Bolt 16in .300 AAC Blackout Barrel 10 Round Magazine Black MDR-CK-D1610-FE

Desert Tech MDRx Forward Eject Caliber Conversion Kit w/ Bolt 16in .300 AAC Blackout Barrel 10 Round Magazine Black MDR-CK-D1610-FE. 300 AAC Blackout Caliber Conversion Kit proves that a knife is still the most lethal force to have in a tactical... ... more

V Seven 300 AAC Blackout Stainless Match Medium Contour 10.25in 300M7T 10.25

V Seven 300 AAC Blackout Stainless Match Medium Contour 10.25in 300M7T 10.25. 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 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... ... 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

V Seven 300 AAC Blackout Stainless Match Medium Contour 14.5in 300M7T 14.5

V Seven 300 AAC Blackout Stainless Match Medium Contour 14.5in 300M7T 14.5. 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... ... 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.... ... more

CBC Industries 300 AAC Blackout AR-15 Barrel 5/8x24 1-7 Micro 5in Black Nitride 110-151

CBC Industries 300 AAC Blackout AR-15 Barrel 5/8x24 1-7 Micro 5in Black Nitride 110-151. This barrel has a nitride finish for increased strength and durability. This provides not only an impressive barrel life but ensures excellent accuracy. The... ... 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... ... more

Tiger Rock AR Rifle Build Kit BCG LPK and Stock Kit .300 AAC Blackout 24in 16in Barrel HBAR Carbine 1x8 5/8x24 15in M-Lok Handguard Compensator

Tiger Rock AR Rifle Build Kit BCG LPK and Stock Kit .300 AAC Blackout 24in 16in Barrel HBAR Carbine 1x8 5/8x24 15in M-Lok Handguard Compensator. 300 AAC Blackout AR Rifle Build Kit. Tiger Rock constructed these AR15 Lower Parts from durable 4150... ... more