Ballistic Advantage Ar-15 Modern Series Barrels .300 Blackout - Ar-15 Pistol Length 9 Barrel .300 Bl

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

Ballistic Advantage Ar-15 Modern Series Barrels .300 Blackout - Ar-15 Pistol Length 6 Barrel .300 Bl

This .300 Blackout chambered 6 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. All NFA/ATF Rules Apply You may use this barrel with a lower receiver... ... more

Ballistic Advantage Ar-15 Modern Series Barrels .300 Blackout - Ar-15 Pistol Length 10 Barrel .300 B

This .300 Blackout chambered 6 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. All NFA/ATF Rules Apply You may use this barrel with a lower receiver... ... 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 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 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

Ballistic Advantage Hanson w/ lo pro Premium Series.300 AR Barrel Pistol Length Black 8.3 in BABL300002F

Ballistic Advantage Hanson w/ lo pro Premium Series.300 AR Barrel Pistol Length Black 8.3 in BABL300002F. 300 Blackout chambered 10.3 inch Performance Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish.... ... more

Wilson Combat Match Grade Barrel AR-15 300 HAM'R 20 in Tactical Hunter Intermediate Length 1-15 Twist 5/8x24 Threaded Glass Bead TR-300HTHIG20FT15

Wilson Combat Match Grade Barrel AR-15 300 HAM'R 20 in Tactical Hunter Intermediate Length 1-15 Twist 5/8x24 Threaded Glass Bead TR-300HTHIG20FT15. These proven barrels feature a hand-polished bore and feedramps and then complete a rigorous final... ... more

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta FDE STAG15113002

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta FDE STAG15113002. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics and... ... more

Ballistic Advantage OPMOD Modern Series Barrel 5.56 AR-15 16 in Mid Length Government Profile Black BABL556015M-OPMOD

Ballistic Advantage OPMOD Modern Series Barrel 5.56 AR-15 16 in Mid Length Government Profile Black BABL556015M-OPMOD. 56 chambered 16 inch Government Profile Mid-Length Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ... ... 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

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Right Hand VG6 Delta Black STAG15102022

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Right Hand VG6 Delta Black STAG15102022. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics and... ... more

Radical Firearms Complete Upper Assembly AR-15 .300 Blackout 10.5in Barrel 9in HG M-LOK MHR 5/8x24 A2 FH Black CFU10.5-300HBAR-9MHR

Radical Firearms Complete Upper Assembly AR-15 .300 Blackout 10.5in Barrel 9in HG M-LOK MHR 5/8x24 A2 FH Black CFU10.5-300HBAR-9MHR. 5in HBAR profile 300BLK is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice... ... more

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta Black STAG15112022

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta Black STAG15112022. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics and... ... more

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Right Hand VG6 Delta FDE STAG15103002

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Right Hand VG6 Delta FDE STAG15103002. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics and... ... more

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... 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

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 300 BO 17.5in 8in Barrel 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Finish XTS-CU8300CE

XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 300 BO 17.5in 8in Barrel 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Finish XTS-CU8300CE. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard this... ... more

Radian Weapons Model 1 Complete Upper Receiver .300 AAC Blackout 9 in Barrel Custom Pistol Length 1-5 Twist 1/2x28 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 1/2x28 Thread M-LOK Deadair Flash Hider. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... 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

Radian Weapons Model 1 Complete Upper Receiver .300 AAC Blackout 9 in Barrel Custom Pistol Length 1-5 Twist 1/2x28 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 1/2x28 Thread M-LOK Deadair Flash Hider. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... 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

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

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

Grid Defense Complete Upper Receiver .300 Blackout 7.5in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9in Octagon M-LOK Hand Guard Dimpled Flash Can

Grid Defense Complete Upper Receiver .300 Blackout 7.5in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9in Octagon M-LOK Hand Guard Dimpled Flash Can. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Burnt

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Burnt. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Blue

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Blue. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tungsten

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tungsten. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Criterion Barrels Hybrid Threaded Barrel AR-15 300 AAC Blackout 8.5in CORE Pistol 1-7 Twist Chrome-Lined Parkerized 300B-8CR3

Criterion Barrels Hybrid Threaded Barrel AR-15 300 AAC Blackout 8.5in CORE Pistol 1-7 Twist Chrome-Lined Parkerized 300B-8CR3. 300 AAC Blackout cartridge. The modern taper design is a departure and improvement upon government contoursprofiles that have... ... more