.408 CheyTac

2001 · Dr. John D. Taylor / CheyTac LLC · 6 firearms in catalog

Also known as: .408 Cheyenne Tactical, 10.36x77mm

Cartridge specifications

Bullet Diameter10.36 mm (0.408")
Neck Diameter11.18 mm (0.440")
Base Diameter14.1 mm (0.555")
Case Length77.22 mm (3.040")
Overall Length110.2 mm (4.339")
Max Pressure393 MPa (57,000 psi)
Typical Bullet Weight27.2 g (420 gr)
Typical Muzzle Velocity839 m/s (2753 fps)
Typical Muzzle Energy9574 J (7061 ft·lbf)
Primer TypeLarge Rifle Magnum
Cartridge TypeRimless Bottleneck
Introduced2001

Firearms chambered in .408 CheyTac

Cartridge family

Derived cartridges