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Gun Data for the Day – Day 51

Let’s look at the venerable .30-06:

Parent case .30-03 Springfield
Case type Rimless, bottleneck
Bullet diameter .308 in (7.8 mm)
Neck diameter .340 in (8.6 mm)
Shoulder diameter .441 in (11.2 mm)
Base diameter .471 in (12.0 mm)
Rim diameter .473 in (12.0 mm)
Rim thickness .049 in (1.2 mm)
Case length 2.494 in (63.3 mm)
Overall length 3.34 in (85 mm)
Case capacity 68 gr H2O (4.4 cm3)
Rifling twist 1 turn in 10 inches (25.4 cm)
Primer type Large Rifle
Maximum pressure 60,200 psi (415 MPa)
Ballistic performance
Bullet weight/type Velocity Energy
150 gr (10 g) Nosler Ballistic Tip 2,910 ft/s (890 m/s) 2,820 ft·lbf (3,820 J)
165 gr (11 g) BTSP 2,800 ft/s (850 m/s) 2,872 ft·lbf (3,894 J)
180 gr (12 g) Core-Lokt Soft Point 2,700 ft/s (820 m/s) 2,913 ft·lbf (3,949 J)
200 gr (13 g) Partition 2,569 ft/s (783 m/s) 2,932 ft·lbf (3,975 J)
220 gr (14 g) RN 2,500 ft/s (760 m/s) 2,981 ft·lbf (4,042 J)
Test barrel length: 24 inch (61 cm)
Source(s): Federal Cartridge[1] / Accurate Powder[2]
by daddybear71 on July 29, 2015  •  Permalink
Posted in GunInfo

Posted by daddybear71 on July 29, 2015

https://daddybearsden.com/2015/07/29/gun-data-for-the-day-day-51/

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