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.300 Blackout Flat Base Gun Parts/Gear

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TacFire BU-300-10 AR-15 Complete Upper, 300 Blackout, 10" Black Nitride Barrel, Black Anodized Finish

TacFire BU-300-10 AR-15 Complete Upper, 300 Blackout, 10" Black Nitride Barrel, Black Anodized Finish
$295 08
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CMMG 30D810A Barrel Sub-Assembly 300 AAC Blackout/Whisper (7.62X35mm) 8" Nitrided

CMMG 30D810A Barrel Sub-Assembly 300 AAC Blackout/Whisper (7.62X35mm) 8" Nitrided

$155 29
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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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Lead & Steel LS300-10.5 10.5" 300 Blackout 4150 CMV QPQ Nitride Government Profile Barrel for AR-15.

Lead & Steel LS300-10.5 10.5" 300 Blackout 4150 CMV QPQ Nitride Government Profile Barrel for AR-15.

$96 79
In Stock
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Q LLC Honey Badger 7" 300 Blackout 1:5 Twist Stainless Steel Barrel - BARRELHB3007

Q LLC Honey Badger 7" 300 Blackout 1:5 Twist Stainless Steel Barrel - BARRELHB3007

$515 00
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Faxon Firearms Match .300 Blackout 6" Nitride 416-R Stainless QPQ Nitride Barrel

Faxon Firearms Match .300 Blackout 6" Nitride 416-R Stainless QPQ Nitride Barrel

$173 00
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TacFire BU-300-8 AR-15 Complete Upper .300 AAC Blackout 8" Barrel Black Finish

TacFire BU-300-8 AR-15 Complete Upper .300 AAC Blackout 8" Barrel Black Finish

$279 99 $329.99
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Q LLC Sugar Weasel AR-15 Upper, 300 Blackout, 13" Barrel, Black Finish, MPN ACCSW30013INUPPER.

Q LLC Sugar Weasel AR-15 Upper, 300 Blackout, 13" Barrel, Black Finish, MPN ACCSW30013INUPPER.

$1397 59
In Stock
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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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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

$83 13
In Stock
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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 300P10H50B8R .300 Blackout 10" Pistol-Length Barrel Heavy Nitride

Diamondback 300P10H50B8R .300 Blackout 10" Pistol-Length Barrel Heavy Nitride
$90 92
In Stock
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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Tacfire .300 Blackout 5" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-300-5

Tacfire .300 Blackout 5" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-300-5

$329 78
In Stock
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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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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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Patriot Ordnance Factory Renegade + Complete Upper 300 Blackout 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Adjustable Block

Patriot Ordnance Factory Renegade + Complete Upper 300 Blackout 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Adjustable Block

$984 96
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Wilson Combat TR300RCPG16RT7 Barrel 300 BO 16" 1/7

Wilson Combat TR300RCPG16RT7 Barrel 300 BO 16" 1/7
$284 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
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Wilson Combat TR300SBRPG8RT7 Barrel 300 BO 8" 1/7

Wilson Combat TR300SBRPG8RT7 Barrel 300 BO 8" 1/7

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
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
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

Out of Stock
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