Luth-AR .223 Rem Fluted Threaded Bull Barrel, 18 In, Rifle, 1-9 Twist, 1/2 X 28, Silver, bl-b18ft

Faxon Firearms 18In, Heavy Fluted, 6.5 Grendel, Mid-Length, 416-R Stainless Steel QPQ Barrel, Black Nitride, 15BG8-5R-NP3

Criterion Barrels 18in AR-15 Fluted Rifle Gas System Barrel, Stainless Steel, 1518S-FL12

Rock River Arms 18in SS Fluted Barrel, Stainless Steel, AR0230F

Green Mountain Rifle Barrel Co. 18in Ruger Precision Rimfire Barrel Fluted W/Muzzle Threads, 901965

Wilson Combat Match Grade Barrel 18 Fluted 5.56 NATO 416 SS, TR556RCRG18FT8

Wilson Combat Match Grade Rifle Barrel, .223 Wylde, Urban Super Sniper, 18 In, Fluted, Crowned 1-8 Twist, TR-223USSRG18FC8

Wilson Combat AR Threaded Barrel, .308 WIN, Super Sniper, 18 In, Fluted, Threaded, 1-10 Twist, TR-308SSRG18FT10

Wilson Combat Barrel, Match Grade, AR-15, .223 Wylde, Urban Super Sniper, 18In, Fluted, 1/2X28 TPI, 1-8 Twist, Stainless Steel, TR-223USSRG18FT8

Wilson Combat Barrel, Match Grade, AR-15, 6.5 Grendel, Recon, 18In, Fluted, 5/8X24 TPI, 1-8 Twist, Stainless Steel, TR-65GRCRG18FT8

Ballistic Advantage Threaded Barrel, 6.5mm Creedmoor. 18In, Heavy Fluted, Mid-Length, 1-8 Twist, 5/8X24 Thread, Bead Blasted, Stainless Steel, BABL65CR01PL

Faxon Firearms Match .22 LR Rifle Barrel, 18.5Inch, Flame Fluted, 1-16 Twist, Black Nitride, 12B216N18LMQ-T

Wilson Combat Barrel, Match Grade, AR-10, 6.5 Creedmoor, Tactical Hunter, 18In, Fluted, 5/8X24 TPI, 1-8 Twist, Stainless Steel, TR-65CTHRG18FT8

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver, 18In, Fluted Barrel, 1-8 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M51

BSF Barrels AR-15 .223 Wylde Rifle Gas Barrel, 18.5In, W/1-8 Twist Rate, Fluted, Gray/Black, SF3IYT0112

Wilson Combat Barrel, Match Grade, AR-10, .338 Federal, Tactical Hunter, 18In, Fluted, 5/8X24 TPI, 1-12 Twist, Stainless Steel, TR-338THRG18FT12

KIDD Innovative Design Fluted 18 Inch Match Stainless Steel Bull Barrel Bead Threaded And Capped, Polished, Silver, 22BRL-SS-F-18-POL-TC

Wilson Combat Barrel, Match Grade, AR-10, .308 Winchester, Tactical Hunter, 18In, Fluted, 5/8X24 TPI, 1-11.25 Twist, Stainless Steel, TR-308THRG18FT11-25

BSF Barrels AR-15 6.5 Grendel Rifle Gas Barrel, 18.5In, W/1-8 Twist Rate, Fluted, Gray/Black, FR1518G005

Ballistic Advantage Threaded Barrel 6.5mm Creedmoor. 18in Heavy Fluted Mid-Length 1-8 Twist 5/8X24 Thread Bead Blasted Stainless Steel BABL65CR01PL