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Gun Data of the Day – Day 13

Today, we look at something that’s near and dear to my heart – 7.62x54R, the centerfire cartridge that costs as little as .22LR.  It’s fought wars against itself and won every time!  It’s still in active production and military use, almost 125 years after its introduction in 1891!    You can use it to shoot, gut, quarter, and cook the deer all at the same time!

Case type Rimmed, Bottleneck
Bullet diameter 7.92 mm (0.312 in)
Neck diameter 8.53 mm (0.336 in)
Shoulder diameter 11.61 mm (0.457 in)
Base diameter 12.37 mm (0.487 in)
Rim diameter 14.40 mm (0.567 in)
Rim thickness 1.6 mm (0.063 in)
Case length 53.72 mm (2.115 in)
Overall length 77.16 mm (3.038 in)
Case capacity 4.16 cm3 (64.2 gr H2O)
Rifling twist 240 mm (1 in 9.45 in)
Primer type Berdan or Boxer Large Rifle
Maximum pressure 390.00 MPa (56,565 psi)
Ballistic performance
Bullet weight/type Velocity Energy
11.3 g (174 gr) HPBT 797 m/s (2,610 ft/s) 3,593 J (2,650 ft·lbf)
11.7 g (181 gr) FMJ 786 m/s (2,580 ft/s) 3,614 J (2,666 ft·lbf)
11.7 g (181 gr) SP 800 m/s (2,600 ft/s) 3,744 J (2,761 ft·lbf)
9.7 g (150 gr) FMJ 865 m/s (2,840 ft/s) 3,629 J (2,677 ft·lbf)
11.7 g (181 gr) SP 805 m/s (2,640 ft/s) 3,779 J (2,787 ft·lbf)
Test barrel length: 73cm, 28inch
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