.250-3000 Savage
| .250-3000 Savage | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Type | Rifle | |||||||||||||||||||
| Place of origin | United States | |||||||||||||||||||
| Production history | ||||||||||||||||||||
| Designer | Charles Newton | |||||||||||||||||||
| Designed | 1915 | |||||||||||||||||||
| Manufacturer | Savage Arms Company | |||||||||||||||||||
| Variants | .250 Ackley | |||||||||||||||||||
| Specifications | ||||||||||||||||||||
| Parent case | .30-06 Springfield | |||||||||||||||||||
| Case type | Rimless, bottleneck | |||||||||||||||||||
| Bullet diameter | 6.553 mm (0.2580 in) | |||||||||||||||||||
| Neck diameter | 7.254 mm (0.2856 in) | |||||||||||||||||||
| Shoulder diameter | 10.251 mm (0.4036 in) | |||||||||||||||||||
| Base diameter | 11.857 mm (0.4668 in) | |||||||||||||||||||
| Rim diameter | 12.01 mm (0.473 in) | |||||||||||||||||||
| Rim thickness | 1.24 mm (0.049 in) | |||||||||||||||||||
| Case length | 48.56 mm (1.912 in) | |||||||||||||||||||
| Overall length | 58.93–63.88 mm (2.320–2.515 in) | |||||||||||||||||||
| Case capacity | 42.7 cm3 (659 gr H2O) | |||||||||||||||||||
| Rifling twist | Originally 14 in, later 10 in | |||||||||||||||||||
| Primer type | Large rifle | |||||||||||||||||||
| Maximum CUP | 45,000 CUP | |||||||||||||||||||
| Ballistic performance | ||||||||||||||||||||
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| Test barrel length: 24" Source: Accurate Powder | ||||||||||||||||||||
The .250-3000 Savage / 6.5x48mm (also known as the .250 Savage) is a rifle cartridge created by Charles Newton in 1915. It was designed to be used in the Savage Model 99 hammerless lever action rifle. The name comes from its original manufacturer, Savage Arms, and the fact that the original load achieved a 3,000 ft/s (910 m/s) velocity with an 87 grain (5.6 g) bullet.