.22 PPC
The .22 PPC is a centerfire rifle cartridge developed in 1974 by Dr. Louis Palmisano and Ferris Pindell, primarily as a benchrest cartridge. The cartridge is based on the 5.6×39mm (.220 Russian) case which is a necked-down version of the 7.62×39mm Soviet military cartridge. Several companies have made custom guns in this caliber, however no major companies did until 1993, when Ruger announced their No. 1 V and M77 varmint rifles in this caliber.
| .22 PPC | |
|---|---|
| Type | Rifle |
| Place of origin | United States |
| Production history | |
| Designer | Louis Palmisano and Ferris Pindell |
| Designed | 1974 |
| Specifications | |
| Parent case | .220 Russian |
| Bullet diameter | .224 in (5.7 mm) |
| Neck diameter | .246 in (6.2 mm) |
| Shoulder diameter | .431 in (10.9 mm) |
| Base diameter | .440 in (11.2 mm) |
| Rim diameter | .441 in (11.2 mm) |
| Case length | 1.515 in (38.5 mm) |
| Overall length | 2.100 in (53.3 mm) |
| Rifling twist | 1-14" |
| Primer type | Small Rifle |
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