Hitman Industries AR-15 5.56x45mm NATO Government Rifle Barrel, 7.5 Inch, 1-7 Twist, Pistol Length, Nitride, Black, 556P7.5GOV50B7

Hitman Industries AR-15 .300 AAC Blackout Medium Rifle Barrel, 10.5 Inch, 1-8 Twist, Pistol Length, Stainless Steel, 300P10.5MED416W8

Hitman Industries AR-15 .350 Legend Medium Rifle Barrel, 18 Inch, 1-16 Twist, Carbine Length, Nitride, Black, 350C18MED50B16

Hitman Industries AR-15 .458 SOCOM Government Rifle Barrel, 16 Inch, 1-14 Twist, Carbine Length, 5/8X32 Thread, Nitride, Black, 458C16GOV50B14

Hitman Industries AR-15 .223 Wylde M4 Medium Rifle Barrel, 5 Inch, 1-5 Twist, Pistol Length, Nitride, Black, 223WMP5MED50B5

Hitman Industries AR-15 .308 Winchester Medium Rifle Barrel, 8.5 Inch, 1-10 Twist, Pistol Length, Nitride, Black, 308P7.8MED416B10TDF

Hitman Industries AR-15 .308 Winchester Medium Rifle Barrel, 8.5 Inch, 1-10 Twist, Pistol Length, Crmov, Black, 308P7.8MED50B10