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.300 Blackout Barrels

Discover the precision and power of .300 Blackout barrels, engineered for those who demand superior performance in diverse shooting scenarios. These barrels are designed to optimize the ballistic capabilities of the .300 Blackout caliber, offering exceptional accuracy and reliability whether you're at the range or in the field. With a focus on enhancing muzzle velocity and reducing recoil, these barrels ensure a seamless shooting experience. Explore our selection from top manufacturers like Ballistic Advantage and Rival Arms, each offering unique features that cater to your specific needs. Whether you're upgrading your current setup or building a new firearm, these barrels provide the performance edge you need. For those interested in versatility, consider exploring our .22 LR options as well. Elevate your shooting experience with barrels that deliver precision and power in every shot.

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Ballistic Advantage Modern Series 10.5" .300 Blackout, Pistol Length, 1:7 Barrel - BABL300008M

Ballistic Advantage Modern Series 10.5" .300 Blackout, Pistol Length, 1:7 Barrel - BABL300008M
$99 99 $156.75
In Stock
Only 2 Left!
Rosco Manufacturing Bloodline BL-16-HB-300BLK-8-P 16" Barrel 300 Blackout 4150 CMV Nitride AR-15 Compatible

Rosco Manufacturing Bloodline BL-16-HB-300BLK-8-P 16" Barrel 300 Blackout 4150 CMV Nitride AR-15 Compatible

$178 20
In Stock
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Diamondback DB Barrel 300P85H50B8R 8.50" 300 Blackout 4150 CMV Nitride AR-15 Pistol-Length Barrel

Diamondback DB Barrel 300P85H50B8R 8.50" 300 Blackout 4150 CMV Nitride AR-15 Pistol-Length Barrel

$72 00
In Stock
Only 6 Left!
Proof Research 100530 AR-Style Barrel 300 Blackout 12.50" Pistol Length Gas System 1:7" Twist 5 Grooves, 5/8"-24 tpi, Stainless Stainless

Proof Research 100530 AR-Style Barrel 300 Blackout 12.50" Pistol Length Gas System 1:7" Twist 5 Grooves, 5/8"-24 tpi, Stainless Stainless

$649 00
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Diamondback DB Barrel .300 Blackout 16" Pistol Length Black Nitride

Diamondback DB Barrel .300 Blackout 16" Pistol Length Black Nitride

$94 00
In Stock
Diamondback 300P10H50B8R .300 Blackout 10" Pistol-Length Barrel Heavy Nitride

Diamondback 300P10H50B8R .300 Blackout 10" Pistol-Length Barrel Heavy Nitride
$80 00
In Stock
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Proof Research 100561 AR-Style Barrel 300 Blackout 16" Carbine Length Gas System 1:8" Twist 5 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped

Proof Research 100561 AR-Style Barrel 300 Blackout 16" Carbine Length Gas System 1:8" Twist 5 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped

$999 00
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Proof Research 100523 AR-Style Barrel 300 Blackout 12.50" Pistol Length Gas System 1:8" Twist 5 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped

Proof Research 100523 AR-Style Barrel 300 Blackout 12.50" Pistol Length Gas System 1:8" Twist 5 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped

$999 00
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Faxon Firearms 15A38P10NGQ 10.5" 300 Blackout 4150 CMV QPQ Nitride Gunner Profile AR-15 Barrel.

Faxon Firearms 15A38P10NGQ 10.5" 300 Blackout 4150 CMV QPQ Nitride Gunner Profile AR-15 Barrel.

$151 00
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Ballistic Advantage Performance Series 10.3" .300 Blackout Hanson Profile Pistol Barrel with Low Profile Gas Block - BABL300007F

Ballistic Advantage Performance Series 10.3" .300 Blackout Hanson Profile Pistol Barrel with Low Profile Gas Block - BABL300007F
$209 00
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Wilson Combat TR300RCPG16RT7 Barrel 300 BO 16" 1/7

Wilson Combat TR300RCPG16RT7 Barrel 300 BO 16" 1/7
$270 95
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Wilson Combat TR300SBRPG8RT7 Barrel 300 BO 8" 1/7

Wilson Combat TR300SBRPG8RT7 Barrel 300 BO 8" 1/7

$248 95
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Ballistic Advantage Modern Series 8" .300 Blackout AR-15 Barrel, Pistol Length Gas System, 1:7 Twist - BABL300001M

Ballistic Advantage Modern Series 8" .300 Blackout AR-15 Barrel, Pistol Length Gas System, 1:7 Twist - BABL300001M

$147 25
In Stock
Ballistic Advantage Modern Series AR-15 16" .300 Blackout (7.62x35mm), Pistol Length, DRP Profile, QPQ Corrosion Resistant Barrel - BABL300011M

Ballistic Advantage Modern Series AR-15 16" .300 Blackout (7.62x35mm), Pistol Length, DRP Profile, QPQ Corrosion Resistant Barrel - BABL300011M
$171 00
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Rosco Manufacturing Purebred PB-16-HB-300BLK-8-P 16" 300 Blackout 416R Stainless Bead Blast AR-15 Barrel

Rosco Manufacturing Purebred PB-16-HB-300BLK-8-P 16" 300 Blackout 416R Stainless Bead Blast AR-15 Barrel

$233 10
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CMMG 30DF80A Barrel Sub-Assembly 300 AAC Blackout/Whisper (7.62X35mm) 16.1" Nitrided

CMMG 30DF80A Barrel Sub-Assembly 300 AAC Blackout/Whisper (7.62X35mm) 16.1" Nitrided
$199 28
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CMMG .300 Blackout (7.62x35mm) Medium Taper Proflie Black Nitride AR-15 16.1" Barrel, 1:7 Twist, Carbine Length Gas System, Threaded 5/8x24 - 30D120A

CMMG .300 Blackout (7.62x35mm) Medium Taper Proflie Black Nitride AR-15 16.1" Barrel, 1:7 Twist, Carbine Length Gas System, Threaded 5/8x24 - 30D120A

$199 28
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Ballistic Advantage BABL300002F Performance Series BA Hanson 300 AAC Blackout/Whisper (7.62X35mm) 8.3" Black Nitride

Ballistic Advantage BABL300002F Performance Series BA Hanson 300 AAC Blackout/Whisper (7.62X35mm) 8.3" Black Nitride
Out of Stock
Lead & Steel LS300-14.5 14.5" 300 Blackout Barrel 4150 Chrome Moly Vanadium QPQ Nitride AR-15 Compatible

Lead & Steel LS300-14.5 14.5" 300 Blackout Barrel 4150 Chrome Moly Vanadium QPQ Nitride AR-15 Compatible

Out of Stock
Faxon Firearms Duty Series Gunner Barrel 15A38P10NGPCL 10.5" 300 Blackout 4150 CMV Chrome Mag Phosphate AR-15

Faxon Firearms Duty Series Gunner Barrel 15A38P10NGPCL 10.5" 300 Blackout 4150 CMV Chrome Mag Phosphate AR-15

Out of Stock
TacFire AR Barrel BAR30018N 16" .300 Blackout Black Nitride AR-15 Compatible

TacFire AR Barrel BAR30018N 16" .300 Blackout Black Nitride AR-15 Compatible

Out of Stock
Aero Precision 16" .300 Blackout CMV Barrel, Pistol Length - APRH100173C

Aero Precision 16" .300 Blackout CMV Barrel, Pistol Length - APRH100173C

Out of Stock
TacFire BAR3001810N AR Barrel 10.50" 300 Blackout Nitride Steel AR-15

TacFire BAR3001810N AR Barrel 10.50" 300 Blackout Nitride Steel AR-15

Out of Stock
CMMG 30B12BBAB Resolute MK4 300 Blackout 16.10", Armor Black, M-LOK Free-Float Handguard for AR-Platform

CMMG 30B12BBAB Resolute MK4 300 Blackout 16.10", Armor Black, M-LOK Free-Float Handguard for AR-Platform

Out of Stock
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