AR-15, AR-10, and M16 barrels are used to define caliber compatibility, barrel length, gas system setup, and overall shooting performance on compatible rifle platforms. They are commonly chosen for new builds, repairs, replacements, and upgrades where accuracy, handling, and intended use matter. Different barrel options can affect velocity, weight, balance, heat management, and application depending on the rifle setup. This category includes barrels built for proper fit, dependable function, and practical performance across AR-platform rifles.
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PROOF Research PR15 6mm ARC Barrel 14.5 Inch 5/8x24 1:7.5 Twist
PROOF RESEARCH$649.99PROOF Research PR15 6mm ARC Barrel 14.5 Inch 5/8x24 1:7.5 Twist The PROOF Research PR15 barrel is built for shooters who want premium AR-platform accuracy, reduced weight, and dependable performance in a 6mm ARC setup. Designed for the AR-15 platform,... -
One Horse LLC OH-BR01 16-Inch Carbine Gas M4 Barrel in Black for 5.56 NATO
One Horse LLC$85.99ONE OH-BR01 16" CARB GAS M4 CONTR BRL 5.56 NATO The One Horse LLC OH-BR01 is a 16-inch carbine length barrel designed specifically for AR-15/M4 style rifles chambered in 5.56 NATO. This barrel features a precision-machined construction ensuring... -
One Horse LLC OH-BR03 16-inch Mid-Length Socom Barrel for 5.56 NATO
One Horse LLC$100.99ONE OH-BR03 16" MID-LNGTH SOCOM BRL 5.56 NATO The One Horse LLC OH-BR03 is a precision-machined 16-inch mid-length barrel designed specifically for 5.56 NATO caliber firearms. Crafted with high-quality materials, this barrel provides reliable... -
One Horse LLC OH-BR04 16-inch Pistol Gas SOCOM Barrel for .300 Blackout
One Horse LLC$100.99ONE OH-BR04 16" PISTOL GAS SOCOM BRL 300 BO The One Horse LLC OH-BR04 is a precision-engineered 16-inch pistol gas SOCOM barrel designed specifically for .300 Blackout caliber firearms. Crafted with durability and performance in mind, this barrel is... -
One Horse LLC OH-BR07 7.5 inch 5.56 NATO Barrel
One Horse LLC$77.99ONE OH-BR07 7.5" 5.56 NATO BRL 1:7 The One Horse LLC OH-BR07 is a precision-machined 7.5-inch barrel designed for 5.56 NATO caliber rifles. Crafted with durability and accuracy in mind, this barrel features a 1:7 twist rate to ensure stable and... -
One Horse LLC OH-BR08 7.5-inch 300 Blackout Barrel with 1:7 Twist
One Horse LLC$77.99ONE OH-BR08 7.5" 300 BLACKOUT BRL 1:7 The One Horse LLC OH-BR08 is a high-quality firearm barrel designed specifically for .300 Blackout cartridges. With a length of 7.5 inches, this barrel offers a compact yet effective option for versatile shooting... -
Proof Research PR15 .223 Wylde Rifle Barrel with 11.5 Inch Length and 5/8-24 Thread Pattern
PROOF RESEARCH$649.99PROOF 143360 PR15 223WYLDE 11.5 5/8-24 7TW The Proof Research PR15 .223 Wylde rifle barrel is designed for precision shooting and reliable performance. Crafted from high-quality materials, this barrel offers excellent accuracy and durability, making it... -
Proof Research PR15 .223 Wylde Rifle Barrel - 14.5 inch, 5/8-24 Thread
PROOF RESEARCH$649.99PROOF 143377 PR15 223WYLDE 14.5 5/8-24 7TW The Proof Research PR15 series rifle barrel is designed for precision shooters seeking reliable performance and durability. Crafted with advanced materials, this barrel offers excellent accuracy and... -
Odin Works 6mm ARC 18-inch Rifle Barrel with Tunable Gas Block and Gas Tube
Odin Works$356.99Odin Works B6MM18ARCRTG 6mm ARC Stainless Steel The Odin Works 6mm ARC 18-inch rifle barrel is designed for precision and versatility in long-range shooting applications. Made from high-quality stainless steel, this barrel offers durability and... -
Lead & Steel LLC LS556PEN-MID-14.5 AR-15 Barrel 14.5 Inch Mid-Length 1:7 Twist M4 Feed Ramps Black Nitride Finish
LEAD & STEEL LLC$112.99Lead & Steel Llc LS556PEN-MID-14.5 5.56mm 14.50" Pencil Profile Features M4 Feed Ramps The Lead & Steel LLC LS556PEN-MID-14.5 AR-15 barrel is crafted from durable 4150 Chrome Moly Vanadium steel, ensuring reliable performance and longevity... -
LUTH-AR BL-F14-7C 14.5-Inch SOCOM M4 Barrel with Chrome Lining and F Marked Front Sight Base
Luth-AR$212.99Luth-ar BL-F14-7C 5.56mm 14.50" Chrome Lined Manganese Phosphate CMV The LUTH-AR BL-F14-7C is a high-quality 14.5-inch SOCOM M4 barrel designed for AR-15 builds, offering exceptional durability and performance. Featuring a chrome-lined bore for... -
Bilson Arms BA-15FCP .338 ARC Rifle 12.5 Inch Threaded Barrel / Flat Dark Earth / Sniper Green 10+1
BILSON ARMS$1,244.99The Bilson Arms BA-15FCP is a compact AR-platform rifle built for shooters who want modern performance, hard-hitting capability, and a distinctive custom finish in a maneuverable package. Chambered in .338 ARC, this rifle is designed to deliver strong... -
CMMG Endeavor MK4 22 ARC 20-Inch Rifle
CMMG$970.99CMMG Endeavor 22 ARC 20" The CMMG Endeavor MK4 features a 20-inch barrel designed for precision and reliability. Chambered in 22 ARC, this rifle offers versatile performance suitable for various shooting applications. Its robust construction and...
