6.5-284 Norma
The 6.5-284 Norma originated as a wildcat cartridge based on the .284 Winchester cartridge necked down to 6.5 mm.
| 6.5-284 Norma | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
.308 Winchester on the left, 6.5-284 Norma on the right | ||||||||||||
| Type | Rifle | |||||||||||
| Place of origin | Sweden | |||||||||||
| Production history | ||||||||||||
| Designer | Norma | |||||||||||
| Designed | 1999 | |||||||||||
| Specifications | ||||||||||||
| Parent case | .284 Winchester | |||||||||||
| Case type | rebated rim, bottleneck | |||||||||||
| Bullet diameter | .264 in (6.7 mm) | |||||||||||
| Neck diameter | .297 in (7.5 mm) | |||||||||||
| Shoulder diameter | .475 in (12.1 mm) | |||||||||||
| Base diameter | .501 in (12.7 mm) | |||||||||||
| Rim diameter | .473 in (12.0 mm) | |||||||||||
| Rim thickness | .054 in (1.4 mm) | |||||||||||
| Case length | 2.170 in (55.1 mm) | |||||||||||
| Overall length | 3.228 in (82.0 mm) | |||||||||||
| Case capacity | 68.33 gr H2O (4.428 cm3) | |||||||||||
| Ballistic performance | ||||||||||||
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| Test barrel length: 24 Source(s): , | ||||||||||||
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