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

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

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

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

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

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 chamberings... ... 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

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

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

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

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

TRYBE Defense AR-15 Pistol Semi-Complete Upper M-LOK w/o BCG or Charging Handle 10.5in .300 Blackout 4140 CMV Black SCUPPER105300

TRYBE Defense AR-15 Pistol Semi-Complete Upper M-LOK w/o BCG or Charging Handle 10.5in .300 Blackout 4140 CMV Black SCUPPER105300. 5" Semi-Complete Upper chambered in .300 Blackout has everything you need. Featuring an ultra-durable high-performance... ... 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

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

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

TRYBE Defense AR-15 Pistol 10.5in Complete Upper M-LOK .300 Blackout 4140 CMV Black UPPER105300

TRYBE Defense AR-15 Pistol 10.5in Complete Upper M-LOK .300 Blackout 4140 CMV Black UPPER105300. You need it. If you're ready to enjoy the awesomeness that is an AR Pistol the TRYBE Defense AR-15 10.5" Upper chambered in .300 Blackout has everything... ... 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

Ghost Firearms Upper Receiver Pistol Lower Parts Kit .300 Blackout 10.5in Pistol Light HBAR Barrel 1-8 Twist 11in M-LOK Free Float Hand Guard Flash

Ghost Firearms Upper Receiver Pistol Lower Parts Kit .300 Blackout 10.5in Pistol Light HBAR Barrel 1-8 Twist 11in M-LOK Free Float Hand Guard Flash. Their most widely used Ghost Vital .300 blackout pistol kit includes M-LOK free-float handguard... ... more

Ghost Firearms Upper Receiver Pistol Lower Parts Kit .300 Blackout 10.5in Pistol 4150 Light HBAR Barrel 1-8 Twist 11in M-LOK Free Float Hand Guard

Ghost Firearms Upper Receiver Pistol Lower Parts Kit .300 Blackout 10.5in Pistol 4150 Light HBAR Barrel 1-8 Twist 11in M-LOK Free Float Hand Guard. Their most widely used Ghost Vital .300 blackout pistol kit includes M-LOK free-float handguard charging... ... more

ODIN Works 10.5in 300 Blackout Barrel medium profile pistol gas placement w/tunable GB Stainless Steel 10.5in B-300-10-P-TG

ODIN Works 10.5in 300 Blackout Barrel medium profile pistol gas placement w/tunable GB Stainless Steel 10.5in B-300-10-P-TG. 300 Blackout Button Rifled Barrels are made from durable stainless steel that shines like silver. Along with the impeccable... ... 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

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

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider. 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 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider. 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 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider. 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 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider. 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 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider. 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 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider. 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 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more