ORIGINAL: Turkeybuster
hawglips you said a mouth full there!
Jon
Jon,
It's hard for folks to comprehend it though. I just bring it up so guys can see that it's what's in the shell, not how big the shell is. Big is just a means to and end, kinda like speed. Not the end in itself.
Let's compare a 3.5" 2-1/4 oz load of lead #5s, vs a 2-3/4" 20 ga load of 18g/cc handloaded shot, and throw in a 3" Federal 1.5 oz 20 gauge load just for kicks since you can buy those.
At 40 yds, here's how they compare by the numbers:
3.5", 12 ga., #5 lead @ 1200fps:
pellet count: 386
penetration depth in ballistics gelatin: 1.89"
energy density: 232.7
2-3/4" 18g/cc #9s, 20 ga, @ 1150 fps:
pellet count: 517
penetration depth in ballistics gelatin: 2.13"
energy density: 257.7
3" Federal Heavyweight #7s, 20 ga:
pellet count: 329
penetration depth in ballistics gelatin: 2.22"
energy density: 264.6
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