.348 Winchester

The .348 Winchester is an American rifle cartridge. It was introduced in 1936, and developed for the Winchester Model 71 lever action rifle. The .348 was one of the most powerful rimmed rounds ever used in a lever action rifle.

.348 Winchester
.348 Winchester
TypeRifle
Place of originUnited States
Production history
DesignerWinchester
Produced1936–present
Specifications
Parent case.50-110 WCF
Case typeRimmed, bottleneck
Bullet diameter.348 in (8.8 mm)
Land diameter.340 in (8.6 mm)
Neck diameter.3785 in (9.61 mm)
Shoulder diameter.485 in (12.3 mm)
Base diameter.553 in (14.0 mm)
Rim diameter.610 in (15.5 mm)
Rim thickness.070 in (1.8 mm)
Case length2.255 in (57.3 mm)
Overall length2.795 in (71.0 mm)
Rifling twist1 in 12
Primer typeLarge rifle
Maximum pressure (CIP)46,000 psi (320 MPa)
Maximum CUP40,000 CUP
Ballistic performance
Bullet mass/type Velocity Energy
150 gr (10 g) 2,890 ft/s (880 m/s) 2,780 ft⋅lbf (3,770 J)
200 gr (13 g) 2,530 ft/s (770 m/s) 2,840 ft⋅lbf (3,850 J)
250 gr (16 g) 200 2,350 ft/s (720 m/s) 3,060 ft⋅lbf (4,150 J)
200 gr FTX 2,630 ft/s (800 m/s) 3,072 ft⋅lbf (4,165 J)
Test barrel length: 24
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