.300 AAC Blackout AR-15 Barrels
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AT3™
AT3™ 300 Blackout Medium Profile 14.5 Inch AR-15 Barrel
14.5 Inch .300 Blackout Barrel by AT3 Tactical This 14.5-inch .300 Blackout Barrel makes a great choice for your short, heavy-hitting pistol or SBR AR-15 builds. Made from 4150 CMV... -
AT3™
AT3™ 300 Blackout Medium Profile 6 Inch AR-15 Barrel
6 Inch .300 Blackout Barrel by AT3 Tactical This 6-inch .300 Blackout Barrel makes a great choice for your short, heavy-hitting pistol or SBR AR-15 builds. Made from 4150 CMV... -
AT3™
AT3™ 300 Blackout Medium Profile 7.5 Inch AR-15 Barrel
7.5 Inch .300 Blackout Barrel by AT3 Tactical This 7.5-inch .300 Blackout Barrel makes a great choice for your short, heavy-hitting pistol or SBR AR-15 builds. Made from 4150 CMV... -
AT3™
AT3™ .300 Blackout Medium Profile 10.5 Inch AR-15 Barrel
10.5 Inch .300 Blackout Barrel by AT3 Tactical This 10.5 Inch .300 Blackout Barrel makes a great choice for your short, heavy-hitting pistol or SBR AR-15 builds. Made from 4150... -
AT3™
AT3™ .300 Blackout Medium Profile 16 Inch AR-15 Barrel
16 Inch .300 Blackout Barrel by AT3 Tactical A 16 inch .300 Blackout barrel makes swapping to a heavier hitting cartridge in your favorite rifle simple. This 4150 CMV barrel... -
Ballistic Advantage .300 Blackout 10″ Barrel – Pistol Length 1:7 Twist – 4150 CMV...
Ballistic Advantage Modern Series barrels feature precision-machined 4150 CMV steel, durable Nitride coating, and a Sub-MOA accuracy guarantee. This .300 Blackout chambered 10 inch Modern Series Barrel is machined from... -
Ballistic Advantage .300 Blackout 16″ Barrel – Pistol Length 1:7 Twist – 4150 CMV...
Ballistic Advantage Modern Series barrels feature precision-machined 4150 CMV steel, durable Nitride coating, and a Sub-MOA accuracy guarantee. This .300 Blackout chambered 16" Modern Series Barrel is machined from 4150... -
Ballistic Advantage 300 BLK 8.3 Inch Barrel – Hanson Profile with Lo Pro Gas...
Short .300 Blackout Barrel - Perfect for Suppressed AR Pistols This barrel features a short overall length that is perfect for building up a suppressed .300 Blackout AR-15. Since many... -
Ballistic Advantage .300 Blackout 10.5″ AR 15 Barrel – Pistol Length 1:7 Twist –...
Ballistic Advantage Modern Series barrels feature precision-machined 4150 CMV steel, durable Nitride coating, and a Sub-MOA accuracy guarantee. This .300 Blackout chambered 10.5 inch Modern Series Barrel is machined from... -
Ballistic Advantage 300 BLK 10.3 Inch AR 15 Barrel – Hanson Profile with Lo...
Hanson Profile .300 Blackout Barrel for Optimal Performance .300 Blackout truly shines with a short barrel, and this barrel makes for a perfect fit. This .300 Blackout barrel has a... -
Wilson Combat 300 Blackout 16 Inch Barrel – Recon Profile – Pistol Length 1:7...
Wilson Combat .300 Blackout Recon Profile Barrel The Wilson Combat 300 Blackout Recon Profile Barrel is a practical, all-around medium profile AR barrel effectively designed for rigorous tactical training, hardcore... -
CMMG 300 AAC Blackout 16.1″ Barrel – Carbine Length 1:7 Twist – 4140 CrMo...
CMMG .300 BLK 16 Inch Nitride Barrel Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced. Specifications: 16.1"... -
CMMG .300 Blackout 16.1″ AR 15 Barrel – Carbine Length 1:7 Twist – 416...
Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced. Specifications: 16.1? Medium Taper Profile 416 Stainless Steel Bead... -
NEW
KAK Industry 6.25 Inch Stainless Steel 300 Blackout AR-15 Barrel
Ultra-Compact Precision in 300 BLK - KAK's 6.25" Stainless "Baby Blond" This 6.25" 300 Blackout barrel brings match-grade accuracy to your AR pistol build. The premium 416 stainless steel construction... -
NEW
KAK Industry 8.5 Inch OE-SPEC 300 Blackout AR-15 Barrel
Compact 300 BLK Versatility with KAK's 8.5" Barrel This 8.5" 300 Blackout barrel provides exceptional capability in a nimble AR pistol package. The durable 41V50 chrome moly construction has a...Only$115.31 -
Bear Creek Arsenal .300 Blackout 16 Inch AR-15 Barrel – Nitride Heavy Profile –...
Bear Creek Arsenal .300 Blackout 16 Inch AR-15 Barrel - Nitride Heavy Profile - Pistol Gas The Bear Creek Arsenal AR-15 16" heavy, Black Nitride .300 blackout barrel is a...Only$87.13 -
Odin Works AR-15 300 Blackout Barrel 10.5″ Pistol
Effective & Extremely Flexible 300 BLK 10.5" Barrel This Odin Works 10.5″ 300 AAC Blackout Barrel is a button-rifled medium profile AR-15 barrel made from 416R stainless steel. 300 BLK...Only$242.25 -
Odin Works AR-15 300 Blackout Barrel 16.1″ Carbine
300 BLK 16.1" Barrel - Effective & Extremely Flexible .30 Caliber Option This Odin Works 16.1″ 300 AAC Blackout Barrel is a button-rifled medium profile barrel made from 416R stainless...Only$289.75 -
LBE Unlimited 16″ .300 Blackout Black Nitride AR-15 Barrel
LBE Unlimited 16" .300 Blackout Black Nitride AR-15 Barrel The LBE Unlimited 16" .300 Blackout AR-15 Barrel is an excellent choice for any AR-15 build. It is made from high-quality...Only$159.99
.300 Blackout AR-15 barrels don’t need a special bolt or magazine change caliber – keep your mags and standard BCG!
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