.308 Win Barrels

About 7% of the AR-15 barrels we track are .308 Win — around 400 listings across 30+ retailers. The most common gas system is rifle, at roughly 21%. Most run a 20 barrel length. Proof Research and Ballistic Advantage lead the category. The average listing runs around $740, priced live across every retailer we track — so it reflects today, not whenever an article was published.

Prices checked Oct 10, 2026 · refreshed daily

• Faxon FirearmsFaxon Firearms Match Barrel .308 Win 18", Black - Superior Precision and Reliability - 10B810R18FHQ-5R-NP3$262.68
• Ballistic AdvantageBallistic Advantage 20″ .308 Tactical Government Rifle Length AR 10 Barrel, Premium Black$196.88
• Ballistic AdvantageBallistic Advantage Premium Series AR-10 20\" .308 Winchester Heavy Barrel Rifle Length Gas System 1:10 Twist - BABL308006P$156.99
• Faxon FirearmsFaxon Firearms Duty Barrel .308 Win 16", Black - for Enhanced Accuracy and Durability - 10A810M16NPQ$175.99
• Proof ResearchProof Research 11.50" Stainless AR-Type Barrel for AR-Style Rifles - Elevate Your Accuracy - 100387$474.99
• DiamondbackDiamondback Firearms AR-10 308 Win 16" 1:10 Twist Barrel, Black Nitride Finish - 308M16L50B10R$119.00
• Proof ResearchSuperior Stainless Performance - Proof Research 12.50" AR-Type Barrel for AR-Style Rifles - 100530$649.00
• DiamondbackDiamondback Firearms AR-10 308 Win 16" 1:10 Twist Barrel, Black Nitride Finish - 308R18M50B10R$115.00
• Proof ResearchProof Research AR-Type Barrel 12.50" for AR-Style, Natural - 100523$951.49
• Ballistic AdvantageBallistic Advantage Premium Series 16\" .308 Hanson Profile Mid-Length AR-10 Barrel with .750\" Low Profile Gas Block - Bead Blasted - BABL308019P$235.99
• Faxon FirearmsFaxon Firearms Duty Barrel AR Platform AR-10 .308 WIN 13.9in Big Gunner Mid Length 1-10 Twist 5/8-24 Thread Black$189.49
• Proof ResearchProof Research 134467 Sig Cross Carbon Fiber Pre-Fit Barrel .308 Win 16"$927.49
• TacFireUpgrade Your AR-10 with Tacfire's Black Nitride Barrel -Exceptional Performance - BAR308WIN110-18N$118.59
• Ballistic AdvantageAr-15 Premium Black Series 308 Winchester Rifle Barrels - 308 Win 18" 1-10 Twist Hanson Midlength Steel Bbl W/Lo Pro$205.49
• LBE UnlimitedLBE Unlimited Barrel Nut, For AR 308 ARBNT308$16.54
• Faxon FirearmsFaxon Firearms 16" .308 Win Mid-Length Big Gunner Barrel$196.20
• TacFireUpgrade Your AR-10 with Tacfire's Black Nitride Barrel -Exceptional Performance - BAR308WIN110-16N$117.99
• Faxon FirearmsFaxon Firearms FX7 Prefit Rifle Barrel .308 Winchester 22in M24 Rifle Length 1/10 Twist 5/8x24 Thread Black$278.99
• Proof ResearchPROOF BBL CF BOLT 308 24 SENDERO 1-9$899.00
• Proof ResearchProof Research Defiance Ruckus Carbon Pre-Fit Barrels 308 Win 20in 10 Twist 5/8-24 Sendero$879.00
• Criterion Barrels308 Ar Stainless Steel Barrels - .308 Ar 22" Hybrid Rifle, Stainless$304.99
• Ballistic AdvantageBallistic Advantage Premium Series AR-10 18\" .308 Winchester Heavy Barrel Rifle Length Gas System 1:10 Twist - BABL308005P$194.23
• Faxon FirearmsFaxon Firearms Big Gunner .308 WIN 18\" Salt Bath Nitride 4150 CMV$185.99
• Proof ResearchPROOF ELEVATION MTR 2.0 RH 308WIN 20 CF BLK$3000.99

Browse all 377 barrels →

See the barrels builders picked most this month →