husbandofaromanian
Member
H&R 1871 Buffalo Classic Single Shot 45-70 Gvt 32"
Hard to find any loading data as too how much pressure it can stand...
Hard to find any loading data as too how much pressure it can stand...
The 45-70 32" barrel bug has bit me...!!!
- Thread starter husbandofaromanian
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The H&R will take a lot of punishment, so will you when you start shooting heavy loads, but the rifle is no Ruger Number One either.
Stick with middle of the load data sheet stuff listed for the 1886 Winchester and the rifle should last a very long time.
With modern powders, the 32" barrel offers no advantage other than a longer iron sight plane and may cause a decrease of maximum velocity potential depending on the powder and primer combination selected.
Stick with middle of the load data sheet stuff listed for the 1886 Winchester and the rifle should last a very long time.
With modern powders, the 32" barrel offers no advantage other than a longer iron sight plane and may cause a decrease of maximum velocity potential depending on the powder and primer combination selected.
husbandofaromanian
Member
I'm counting on that to get some free sound suppression... If the barrel twist will allow it, I plan to shoot the 535gr postell bullet at around 1000fps...
Don McDowell
Member
That rifle will shoot the postels just fine, you can run them up to around 1300 and still stay in trapdoor pressure range. BUT that rifle is pretty light weight, and the stock deminsions aren't the best for running heavy bullets.
You'll also have a dickens of a time to get zero'ld at 100 yds with the sights that come on it, (or at least the early production models) it will take all the elevation on that rear sight.
You'll also have a dickens of a time to get zero'ld at 100 yds with the sights that come on it, (or at least the early production models) it will take all the elevation on that rear sight.
dprice3844444
member
http://www.loaddata.com/members/sea...aliberid=26&header=.45 Caliber Reloading Data
http://www.gunandgame.com/forums/powder-keg/46741-safe-45-70-loads-h-r-buffalo-classic.html
http://www.gunandgame.com/forums/powder-keg/46741-safe-45-70-loads-h-r-buffalo-classic.html
http://www.gunandgame.com/forums/powder-keg/46741-safe-45-70-loads-h-r-buffalo-classic.html
http://www.handloadersbench.com/view_topic.php?id=26455&forum_id=20&jump_to=241413 suggests no hotter than 28k cup
http://www.gunandgame.com/forums/powder-keg/46741-safe-45-70-loads-h-r-buffalo-classic.html
http://www.gunandgame.com/forums/powder-keg/46741-safe-45-70-loads-h-r-buffalo-classic.html
http://www.gunandgame.com/forums/powder-keg/46741-safe-45-70-loads-h-r-buffalo-classic.html
http://www.handloadersbench.com/view_topic.php?id=26455&forum_id=20&jump_to=241413 suggests no hotter than 28k cup
dagger dog
Member
Don't forget to try some black powder rounds they can be very accurate and deadly, out of that rifle.
jerkface11
Member
What are you basing that on?
fireside44
member
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I'm pretty sure you would find yourself headed towards the top of that levergun data pretty quick, the break is a tougher action. Not a Ruger #1 as has been said, but still pretty durable.
I fooled with a 45-70 Handi-rifle a bit and found the recoil and muzzle jump absolutely brutal using a 385 grain RN and warmish loads of 4198, so whether the barrel offers little ballistic improvement over the 22" Handi or not it also helps tame some of the recoil and muzzle jump. I would much rather have the 32" vs the 22" barrel. I don't think 22" is enough pipe for that cartridge, even with modern powders. 26-28" I think would be ideal.
fireman 9731
Member
I actually shot mine today. I love it. Light cast loads are a pleasure to shoot and quiet too. The best thing I ever did was add a smith enterprises rear sight. 45-70 is a very versatile cartridge. I started out loading the hot and heavy stuff but now I shoot 350 grain cast bullets over a light charge of trail boss. It's more quiet than a 22.
husbandofaromanian
Member
What rifle do you have...???
How long is your barrel...???
This is what I was hoping to hear... That the longer barrel acts like a silencer giving the gas a lot of space to expand into before popping at the end of the barrel...
fireman 9731
Member
Sorry for the long delay, I haven't been on in a while. I have an h&r buffalo classic. 32 inch barrel. Pure joy to shoot.
onmilo said:
The 45-70 is a straight case. This means that the bore size is very near the interior case size. This means that the pressure drops quickly as the bullet goes down the bore. You are not going to see the same sort of velocity increases with longer barrels that you would see on a cartridge that has a large case to bore ratio, such as a 257 Weatherby Magnum.
Velocity gains with standard SAAMI 45-70 loads would be negligible. You might see some slight increases in velocity with hotter loads, but recoil in a light gun like an H&R would soon become prohibitive.
Google "rifle expansion ratio" for more info.
It would be interesting to see how the OP's theory about sound levels plays out.
fireman 9731
Member
I bet that shorty is a bruiser.
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