Hitman Industries AR-15 .300 AAC Blackout Medium Rifle Barrel 5 inch 1-7 Twist Pistol Length Stainless Steel 300MP5MED416W7

Cmmg Ar-15/M16 5.56mm Barrels - Ar15 16" 5.56 Barrel 416ss Mt

Chambered in 5.56mm NATO, these medium profile barrels feature a 1-7 twist with 1/2"-28 muzzle threads, and accept .750" diameter gas blocks. 16" barrel mid-length gas system. Mfg: Cmmg SPECS: 416 stainless steel. 1/2"-28 muzzle threads. 750" OD Gas... ... 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

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

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

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 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

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... ... 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 Tactical

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 Tactical. 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 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 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch Octagon M-LOK Rail Dimpled Flash Can Tactical Grape

Grid Defense Complete Upper Receiver 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch Octagon M-LOK Rail Dimpled Flash Can Tactical Grape. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6... ... more

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch M-LOK Free Float Hand

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch M-LOK Free Float Hand. 56 Complete Upper Receiver w/Pistol Lower Parts Kit is the perfect item for those looking to create a... ... more

Ghost Firearms Vital Upper Receiver 5.56x45 NATO 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 7 inch M-LOK Free Float Hand Guard A2 Birdcage Flash

Ghost Firearms Vital Upper Receiver 5.56x45 NATO 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 7 inch M-LOK Free Float Hand Guard A2 Birdcage Flash. 56 Upper Receiver is purposely built for those who take their hunting seriously. Built with the... ... 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... ... 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... ... 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 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch Octagon M-LOK Rail Dimpled Flash Can Tungsten Gray

Grid Defense Complete Upper Receiver 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch Octagon M-LOK Rail Dimpled Flash Can Tungsten Gray. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6... ... 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... ... 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 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Flat Dark

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 Flat Dark. 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 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 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch Octagon M-LOK Rail Dimpled Flash Can Burnt Bronze

Grid Defense Complete Upper Receiver 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch Octagon M-LOK Rail Dimpled Flash Can Burnt Bronze. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6... ... more

Grid Defense Complete Upper Receiver 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch Octagon M-LOK Rail Dimpled Flash Can Black

Grid Defense Complete Upper Receiver 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch Octagon M-LOK Rail Dimpled Flash Can Black. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum for... ... more

Grid Defense Complete Upper Receiver 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch Octagon M-LOK Rail Dimpled Flash Can OD Green

Grid Defense Complete Upper Receiver 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch Octagon M-LOK Rail Dimpled Flash Can OD Green. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum... ... 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... ... 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... ... 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... ... 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

Aero Precision Chrome Moly Vanadium Barrel AR-15 5.56 NATO 14.5 inch Government Profile Mid-Length 1-7 Twist 1/2x28 Thread Pinned VG6 Epsilon 556SL

Aero Precision Chrome Moly Vanadium Barrel AR-15 5.56 NATO 14.5 inch Government Profile Mid-Length 1-7 Twist 1/2x28 Thread Pinned VG6 Epsilon 556SL. 5in 5.56 Barrel is the perfect addition to your AR15 build. Crafted to mil- spec standards from 4150... ... more

Ballistic Advantage Ar-15 Modern Series Barrels .300 Blackout - Ar-15 Pistol Length 16 Barrel .300

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... ... 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... ... 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

Airborne Arms Hyperion Series Barrel AR-15 18in Rifle Length .750 Gas Block 6.5mm Grendel 5/8x24 Thread 1-8 Twist 416R Steel Silver Medium

Airborne Arms Hyperion Series Barrel AR-15 18in Rifle Length .750 Gas Block 6.5mm Grendel 5/8x24 Thread 1-8 Twist 416R Steel Silver Medium. 5mm Grendel AR-15 Stainless Steel Barrel. Airborne Arms built these Rifle Barrels to last through multiple... ... more

Aero Precision .300 Blackout CMV Barrel 16in Pistol Length 1-7 Twist 5/8x24 Threaded Anodized Black APRH100173

Aero Precision .300 Blackout CMV Barrel 16in Pistol Length 1-7 Twist 5/8x24 Threaded Anodized Black APRH100173. 300 Blackout CMV Barrel Pistol Length (C) Specifications for Aero Precision .300 Blackout CMV Barrel: Manufacturer: Aero Precision Color:... ... 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... ... 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