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The .32 NAA is a little-known personal-defense cartridge. The cartridge is a .380 ACP case necked down to accept a .32- (.312) caliber bullet. The idea was to drive a light bullet fast for massive tissue destruction. The cartridge fulfills its goal but penetration is limited to around 7 inches. Currently, the only firearm available in .32 NAA is the Guardian from North American Arms. Cor-Bon is the only ammunition company offering a JHP bullet for this cartridge. It also offers a lighter-loaded, 60-grain FMJ bullet. Glaser offers a 55-grain Safety Slug for the .32 NAA rated at 1,255 fps.
Shooting Results| Load | IV (fps) | PEN (inches) | ED (inch) | RW (grains) |
| .32 NAA Cor-Bon 60-grain JHP | 1,136 | 7.10 | .44 | 32 |
