218 Mashburn Bee
Historical Notes:
The 218 Mashburn Bee is an improved version of the factory 218
Bee. Cases are made by firing factory ammunition in the Mashburn chamber, so
no special case forming dies are required. The cartridge was the work of A. E.
Mashburn of the Mashburn Arms Company in Oklahoma City, Oklahoma. As near as can
be determined, the cartridge originated in about 1940 or thereabouts. The
improved case produced better ballistics than the original Bee
and also offered longer case life when reloaded. There are other Improved
versions of the 218
Bee, but they are all pretty much alike. The Mashburn Bee will deliver about
the same velocity with the 55 grain bullet as the factory Bee
delivers with the 45 grain bullet.
General Comments:
The Mashburn Bee was fairly popular until the advent of the 222
Remington. It was, and still is, a very accurate varmint cartridge.
The best powders for loading these small cartridges are IMR-4198 and IMR-4227.
Source: Cartridges of the World
| 218 Mashburn Bee Reloading Data | ||||
|---|---|---|---|---|
| Bullet (grs.) | Powder / (grs.) | MV | ME | Source |
| 40HP | IMR-4227 / 16.5 | 3300 | 960 | n/a |
| 45SP | IMR-4227 / 16.3 | 3319 | 1100 | Ackley |
| 50SP | IMR-4198 / 17.3 | 3300 | 1210 | Ackley |
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