7x57mm Mauser

Calibre specification
	Metric (mm)	Imperial (in)
Calibre	7 X 57	.276 x 2.24
Name:	Mauser
Case Type:	Rimless, bottlenecked
Bullet Diameter:	7.20
Case Length:	56.9
Rim Diameter:	12.04
Neck Diameter:	7.98
Shoulder Diameter:
Base Diameter:	11.95
Total Length:	77.8
Weight:	23 grammes
Primer:	Berdan
Year Introduced:	1892
Also known as:	7×57 7mm M1893 7mm Spanish Mauser DWM 380 GR 574, 649, 664