.338 Federal

The .338 Federal is a rifle cartridge based on the .308 Winchester case necked up to .33 caliber. It was created by Federal Cartridge and Sako in 2006 and intended as a big game cartridge with reasonable recoil for lightweight rifles.

.338 Federal
.338 Federal between .308 Winchester (left) and .358 Winchester (right)
TypeRifle
Place of originUnited States
Production history
DesignerFederal Cartridge / Sako
ManufacturerFederal Cartridge
Produced2006
Specifications
Parent case.308 Winchester
Case typeRimless, bottleneck
Bullet diameter.338 in (8.6 mm)
Neck diameter.369 in (9.4 mm)
Shoulder diameter.454 in (11.5 mm)
Base diameter.470 in (11.9 mm)
Rim diameter.473 in (12.0 mm)
Rim thickness.049 in (1.2 mm)
Case length2.01 in (51 mm)
Overall length2.75 in (70 mm)
Primer typeLarge rifle
Maximum pressure62,000 psi
Ballistic performance
Bullet mass/type Velocity Energy
180 gr (12 g) AccuBond 2,830 ft/s (860 m/s) 3,200 ft⋅lbf (4,300 J)
185 gr (12 g) Triple Shock 2,750 ft/s (840 m/s) 3,105 ft⋅lbf (4,210 J)
210 gr (14 g) AccuBond 2,630 ft/s (800 m/s) 3,225 ft⋅lbf (4,373 J)
Test barrel length: 24" Pac-Nor
Source(s): Nosler Load Data, Hodgedon Reloading Data Center
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