17-223
Historical Notes:
This cartridge is very similar to the
17 Remington
but is based on the
223 Remington,
rather than the 222
Remington Magnum. It is anybody's guess who might have been the first
gunsmith to neck down the commercialized 5.56mm. Likely this conversion occurred
almost immediately after Remington offered the
223 as a standard
chambering. Just as likely many gunsmiths thought of this at the same time.
The 17-223 can be considered one of the logical forebears of the
17 Remington,
although the latter is unique.
General Comments:
The 17-223 has a very short neck, but considering the diminutive projectiles
normally available, this does not seem to be much of a concern to those who
load it. Capacity, pressure and performance are practically identical to
the 17 Remington
and the advent of general good availability of
223 cases has
spurred a resurgence of this cartridge's popularity. For the handloader it
can be considerably less expensive to shoot than the
17
Remington.
Source: Cartridges of the World
| 17-223 Reloading Data | ||||
|---|---|---|---|---|
| Bullet (grs.) | Powder / (grs.) | MV | ME | Source |
| 25 | H-4198 / 21.1 | 4000 | 885 | Hornady |
| 25 | IMR 3031 / 22.5 | 4000 | 885 | Hornady |
| 25 | IMR 4320 / 24.4 | 4000 | 885 | Hornady |
| 25 | IMR 4064 / 24.9 | 4000 | 885 | Hornady |
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