300 Blackout Barrels
199 300 Blackout barrels tracked across 10+ retailers, starting at $94.00. 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.
Faxon FirearmsFaxon Firearms Duty 300 Black Threaded Barrel 10.5inch Pistol Length 1-8 Twist 5/8x24 Mag Phosphate Mag Phosphate$184.00
Rosco ManufacturingRosco Manufacturing Purebred 300 Blackout Ar-15 Barrel Heavy Pistol Length - 8.2"$176.40
Seekins PrecisionSeekins Precision Stainless Match Grade 300 Blackout Ar-15 Barrel - 10.5"$330.99
Ballistic AdvantageBallistic Advantage Modern Series .300 AR Rifle Barrel 10.5in MSARB30$141.08
Rosco ManufacturingROSCO 14.5" GVT 5.56 NATO$224.10
DiamondbackDiamondback Firearms Barrel - Black, Unleash Precision and Performance - 300P16H50B8R$94.00
TacFireTacfire Black Nitride Barrel for AR-15 - Precision-Crafted for Peak Accuracy - BAR30018-N$96.93
Sons of Liberty Gun WorksSons of Liberty Gun Works Combat Grade 300 Blk Pistol Ar-15 Barrel - 9"Check price
NoveskeNoveske Rifleworks 300 Aac Blackout Pistol Length Ar-15 Barrel With Gas Block - 10.5"$323.00
Ballistic AdvantageBallistic Advantage Modern Series .300 Blackout 14.5 Pistol Length Gas System$166.25
Proof ResearchProof Research Elevation Lightweight Hunter 300 Win Mag 24 Carbon Fiber Black Right Hand$2953.99
Faxon FirearmsMatch 300BLK 10.5" 1-8 Twist Gunner Contour SS BBL Nitride$168.49
Rosco ManufacturingRosco Manufacturing Bloodline 8.2" 300 BLK Heavy 1:7 Twist Black Nitride Pistol Barrel$146.70
Triarc SystemsTriarc Systems Track 2.0 300 Blackout Pistol Ar-15 Barrel - 10.3"Check price
Ballistic AdvantageBA Products Hanson CMV .300 AAC Blackout 8.3-in Barrel$179.55
Faxon FirearmsFaxon Firearms Match Series 9" 300 BLK Gunner Profile Pistol-Length Barrel - Stainless QPQ Nitride$171.95