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- Mon Apr 23, 2018 6:43 pm
- Forum: General Gun, Shooting & Equipment Discussion
- Topic: Is the .40 dead?
- Replies: 58
- Views: 16716
Re: Is the .40 dead?
You can’t forget about the gap between the cylinder & the barrel’s forcing cone. Therefore, not 100% of that 1 5/8” cylinder is being used efficiently. And then again the casing of a .357 Magnum is a out an inch and a quarter long. So, the bullet only travels about 5 & a quarter inch before clearing a 4” barrel and some pressure is lost through the cylinder gap.