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Tech

Top 10 Sniper Rifles

No 2. Cheytac .408 cal (American)

Type Rifle
Place of origin United States
Production history
Designer John Taylor and William O. Wordman
Designed 2001
Manufacturer Chey Tac
Produced 2001–present
Variants .375 Chey Tac
Specifications
Parent case .505 Gibbs
Case type Rimless, bottleneck
Bullet diameter .408 in (10.4 mm)
Neck diameter .438 in (11.1 mm)
Shoulder diameter .601 in (15.3 mm)
Base diameter .637 in (16.2 mm)
Rim diameter .640 in (16.3 mm)
Rim thickness .065 in (1.7 mm)
Case length 3.04 in (77 mm)
Overall length 4.307 in (109.4 mm)
Case capacity 159 gr H2O (10.335 cm³)
Rifling twist 1 in 13 in (330.2 mm)
Primer type Large Rifle
Maximum pressure 63,800 psi (440 MPa)
Ballistic performance
Bullet weight/type Velocity Energy
305 gr (19.8 g) Solid 3,500 ft/s (1,100 m/s) 8,298 ft·lbf(11,251 J)
419 gr (27.2 g) Solid 3,000 ft/s (910 m/s) 8,376 ft·lbf(11,356 J)
Source: Cartridges of the World[

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