etails
Caliber: 5.56 NATO
Barrel Length: 20”
Barrel Profile: Pencil
Barrel Steel: 4150 Chrome Moly Vanadium
Barrel Finish: Parkerized
Chrome Lining: Yes
Muzzle Thread Pattern: 1/2" x 28
Twist Rate: 1/7
Barrel Extension: Rifle
Gas System Length: Rifle
Diameter at Gas Block: .625"
Gas Block Type: Rifle Height Front Sight Base
Muzzle Device: A1 style
Receiver Material: Forged 7075-T6
Upper Receiver Type: M16A1 w/o feed ramps
Handguard Type: M16A1 Triangular, with heat Shields
Bolt Material: Carpenter 158 Steel
Bolt Carrier Profile: Full Auto
Overall Length: 30 inches
Grip: A1 Style
Finish: Black Anodized
Trigger: H&R Retro Trigger
Features: Retro Flat Trigger Guard
