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Old March 5, 2014, 02:54 PM   #8
44 AMP
Join Date: March 11, 2006
Location: Upper US
Posts: 17,352
Looking in one book, I found 240gr in the 1700fps range from a 20" carbine, and in another book, a load in the 1800fps range from an 18.5" barrel.

I've had both the Marlin carbines in .357 and .44, and I can tell you that the difference in recoil is quite noticeable. There may be only 15% difference in muzzle energy (cherry picking which loads to compare), but it sure feels like more than 15% in recoil to me.

A 158gr .357 bullet at 1700fps has a muzzle energy of 1014ft/lbs
A 240gr .429 bullet at 1600fps has a muzzle energy of 1365ft/lbs

At 50yds, the .44 has 1003ft/lbs
At 50yds, the .357 has 765ft/lbs

That's NOT 15%, its more like 1/3!
All else being equal (and it almost never is) bigger bullets tend to work better.
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