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Opinions on Barrel Length for Marlin .45-70

53K views 32 replies 17 participants last post by  Flat Top  
That's interesting, but what is the impact velocity of the 300g bullet at 200 yards? Is there enough gas left to give you the wound forensics you desire?

A heavier bullet, even though it requires more elevation to get it there, gets there with a LOT more gas.

I'd be curious to see the retained energy and velocity on that 300. It might be OK, but it might make someone think twice about what's gonna happen when it gets there.

I'm just saying,

Grizz
I use Rem300JHP's for whitetail with my guide gun (45-70). I took a buck at 125yds with it one year. That thing went down faster than getting hit with a UPS truck on christmas eve.

My loads are under the listed max for H4198 but they are zipping along pretty good for a hunk of lead.

I've not chronied the loads probably because I leave that stuff for the finer points of shooting my .257weatherby mag at 425yds and beyond:D
 
My 452g BTB hard cast leaves my guide gun at 1775 fps or at 1963 fps, depending on which pocket I dig them out of. Try that in your calculator. But that's my light load.
That just cracked me up:D

Hope you dont have many pockets. LOL

Good grief, that's got to whack you some for a "light load". I hadnt shot my 45-70 in about a year (shame on me) and today I didnt take my "little" 300gr Rem JHP's too seriously for kickage. My shoulder still hurts. Sure woke me up in a hurry. I took to shooting in the seated position after that.:eek: