Data.

Springfield

Magazine

Rifle.

Service

Magazine

Rifle.

Mauser 7 Mm. Rifle.

German

Military

Rifle.

Caliber........................................................inch..............

0.30

0.30

0.275

0.311

Rifling:

Number of grooves....................................inch.............

4

4

4

4

Depth of grooves....................................inches............

0.004

0.004

0.0049

0.004

Twist, one turn in..................................inches.........

10

10

8.66

9.45

Weight of bullet....................................grains.......

220

220

173

226.82

Weight of charges.................................grains.......

43.3

37.6

38.58

41.2

Weight of complete cartridge................grains.......

451.15

438.85

385.63

430.24

Initial velocity, feet per second

2300

2000

2200

2145

Remaining velocity at 1,000 yards

958

901

895

906

Muzzle energy...................................foot-pounds

2581.6

1952

1857.4

2135

Striking energy at 1,000 yards. .foot-pounds. .

447.9

396.2

307.4

413

Penetration in white pine at 53 feet. .inches. .

54.7

45.8

50.8

Weight of rifle, including bayonet and scabbard.......................................pounds

9.47

10.64

10.5

11.54

Weight of rifle, including bayonet, scabbard, and 100 cartridges............................pounds

15.91

16.91

16.18

17.68

Capacity of magazine..............................rounds

5

5

5

5

Maximum ordinate of 1000 yd. trajectory, feet..

20.67

25.8

24.47

23.73