18" Barrels
359 18" barrels tracked across 10+ retailers, starting at $84.00. Prices and stock update automatically, so this page reflects what the barrel actually costs today rather than what it cost when an article was written. Add any of them straight to a build and GunPartPicker checks compatibility with the rest of your parts.
Sons of Liberty Gun WorksSons of Liberty Gun Works Precision SPR Threaded Barrel 6mm MAX 18", Black$283.99
Criterion BarrelsCriterion Barrels 6.5 Grendel Ar-15 Barrel - Hybrid Profile - Rifle Length - Stainless Steel - 18"$332.49
DiamondbackDiamondback Firearms AR-15 Barrel, 223 Wylde 18" 1:7 Twist, Black Nitride Finish - 223WM18M50B7R$84.00
Wilson CombatWILSON COMBAT Tactical Hunter 6mm ARC 18in Fluted Threaded Barrel 20rd Black Rifle (TH-6A18F7-BLACK)$2179.03
Rosco ManufacturingRosco Manufacturing Purebred .223 Wylde Ar-15 Barrel Medium Weight Rifle - 18"$202.50
LBE UnlimitedLbe Unlimited .223 Wylde Rifle Length Ar-15 Barrel - Nitride - 18"$170.07
Daniel DefenseDaniel Defense DDM4 V7 Pro 5.56MM 18 Barrel 1 32RD Magazine Cobalt Rifle$2115.99
FN AmericaFN 15 DMR3 .223 Remington AR Rifle with 18" Barrel, Flat Dark Earth - 36100676$1878.99
White Oak ArmamentWhite Oak Armament 18" Mid-Length Spr BarrelCheck price
Daniel DefenseDaniel Defense DDM4 V7 Pro 5.56mm NATO 18" 1:7" Bbl CA Compliant Rifle 02-128-16541-055$2121.99
Faxon FirearmsFaxon Firearms Big Gunner .308 WIN 18\" Salt Bath Nitride 4150 CMV$197.10
Ballistic AdvantageBallistic Advantage Ar-15 Modern Series 18 Rifle-Length Barrel Spr W/ Ops 12$124.76
Daniel DefenseDaniel Defense MK12 Spr 5.56MM 18 Barrel 1 32RD Magazine Black Rifle$2095.99
Ballistic AdvantageAR-15 PREMIUM BLACK SERIES 6.5 CREEDMOOR RIFLE BARRELS$210.49
DiamondbackDiamondback 223WR18H50B7 223 Wylde 18\" Black QPQ Stainless Steel Barrel$84.00
FN AmericaFN 36100683 FN 15 DMR3 5.56x45mm NATO 18" Barrel 30+1, Tungsten Gray Receiver , Black OEM Stock & Grip , Optics Ready$2209.00