| .275 No 2 Magnum |
|---|
| Type | Rifle |
|---|
| Place of origin | United Kingdom |
|---|
|
| Designer | John Rigby & Company |
|---|
| Designed | 1927 |
|---|
| Produced | 1927–present |
|---|
|
| Parent case | .375 Flanged Nitro Express |
|---|
| Case type | Rimmed, bottleneck |
|---|
| Bullet diameter | .284 in (7.2 mm) |
|---|
| Neck diameter | .318 in (8.1 mm) |
|---|
| Shoulder diameter | .450 in (11.4 mm) |
|---|
| Base diameter | .510 in (13.0 mm) |
|---|
| Rim diameter | .582 in (14.8 mm) |
|---|
| Case length | 2.5 in (64 mm) |
|---|
| Overall length | 3.26 in (83 mm) |
|---|
| Case capacity | 75.2 gr H2O (4.87 cm3) |
|---|
| Primer type | Berdan 217 |
|---|
|
|
|
|
| Bullet mass/type |
Velocity |
Energy |
| 140 gr (9 g) |
2,675 ft/s (815 m/s) |
2,230 ft⋅lbf (3,020 J) |
|
| Source(s): "Barnes."[1] |
The .275 No 2 Magnum, also known as the 7mm Rigby Magnum Flanged and the .275 No 2 Rigby, is an obsolete centerfire rifle cartridge developed by John Rigby & Company in 1927.
