.243 Winchester

.243 Winchester

Description

The .243 Winchester is a popular sporting rifle cartridge. Initially designed as a target/varmint round, it may be used for animals such as coyotes, blacktail deer, whitetail deer, mule deer, pronghorns, and wild hogs. Wikipedia
 
Bullet diameter.243 in (6.2 mm)
Rifling twist1-10 to 1-8
Case length2.045 in (51.9 mm)
Case capacity52 or 53 to 54.8gr H2O
Neck diameter.276 in (7.0 mm)
Overall length2.7098 in (68.83 mm)