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Centerfire Rifles - Manually Operated Lever action, bolt action or other non gas operated centerfire rifles.

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  #81  
Old 07-12-2020, 12:08 PM
splithoof splithoof is offline
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^^^^^I knew that, and realized that after it was posted, you might be along shortly....
So, to be technically correct, a double (or drilling) would have the barrels moved (regulated) closer to match points of impact, wherein a one-barrel weapon would commonly have the sight(s) moved for reflect bullet impact.
There are a few good YouTube videos showing how H&H and others accomplish this.
With that said, a q: How much of a difference does one typically find in POI when changing bullet weights in larger doubles?.....and at 50 yards, is it worth bothering to try to load cartridges with different powders/amounts to get them closer?
I’m going to guess that many who use said doubles load their own, but I’m sure there are those who simply buy all their ammo as well.
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  #82  
Old 07-12-2020, 12:48 PM
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Quote:
Originally Posted by splithoof View Post
...
With that said, a q: How much of a difference does one typically find in POI when changing bullet weights in larger doubles?.....and at 50 yards, is it worth bothering to try to load cartridges with different powders/amounts to get them closer?
I’m going to guess that many who use said doubles load their own, but I’m sure there are those who simply buy all their ammo as well.
Most would not change bullet weights at all and rather change bullet types. For example I like Cutting Edge bullets. So, I will be trying to regulate by varying different powders/powder amount to match the factory regulation load. It is a tedious process that also calls for documenting every phase of load development.

Now in regards to improving factory accuracy if I am able to match the factory accuracy then I am happy. With buffalo you are looking at a 70-80 yard shot at the most and elephant at under 50 yards and most likely around 25 yard or so.

Now, if your load is at < 2" at 50, but 6"+ at 75 you have work to do.
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  #83  
Old 07-12-2020, 12:56 PM
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Thank you tanks and splithoof for your experienced comments.


Meanwhile...

The .375 H&H has a reputation for, when using hunting loads (as opposed to practice loads), putting loads using bullets of different weights to prit' near the same POI.

I am not counting on this, of course, but it's a nice-to-hear *feature* of this chambering.

And, again, "meanwhile"... I have in hand a copy of the HIGHLY recommended (at least twice by Randy and then again by Duece) copy of the August 2020 issue of Handloader magazine.


IMG_1661.jpg


And, pray!, what? do we see on the cover? Another fantastic little rifle that both myself and the esteemed splithoof own: The CZ 527 Carbine, and in 7.62 X 39...

I have a feeling I'm going to wear this issue out from simply reading it!


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  #84  
Old 07-12-2020, 2:17 PM
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That looks cool!

Last edited by lastinline; 07-12-2020 at 2:20 PM..
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  #85  
Old 07-12-2020, 2:29 PM
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Quote:
Originally Posted by 200Apples View Post
...

The .375 H&H has a reputation for, when using hunting loads (as opposed to practice loads), putting loads using bullets of different weights to prit' near the same POI.

I am not counting on this, of course, but it's a nice-to-hear *feature* of this chambering.
...
Bullets having the same BC and MV will have the same trajectories; drop, drift, retained velocity, tof, etc. The only difference will be energy.

However, I don't think that is the case except for co-incidence.

On handloads for my .458 B&M the 420 grain CEB raptor and 450 grain CEB solid have the same POA and POI at 50 yards as for cape buffalo I want the raptor followed by solids for subsequent shots. Nothing complicated though, just lower the powder load by a grain or so on the 420 grain (also the two loads use different powders).
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  #86  
Old 07-12-2020, 2:46 PM
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Anything specific in that magazine about the 527 Carbine or loading for the x39? Or just a cover picture?
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  #87  
Old 07-12-2020, 3:44 PM
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Joe, I just thumbed through the issue from back to front and the only other thing besides the cover shot is a blurb in the table of contents. No story...


IMG_1662.jpg


But I would imagine you could go to Speer's and Accurate Arms' websites for some appropriate load data... and from the photo it appears those spitzers are .310", which is a good thing in these CZs.
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.Member NRA and Mojave Lever Crew | Stuck somewhere between Cowboy and Tactical | Bolts, levers, single actions and 1911s | 1A - 2A = -1A

Last edited by 200Apples; 07-12-2020 at 3:46 PM..
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  #88  
Old 07-12-2020, 3:49 PM
splithoof splithoof is offline
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Apples, do you have a pic of my CZ527 to run next to yours, as a “little brother” to their bigger European brothers?
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  #89  
Old 07-12-2020, 4:55 PM
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Quote:
Originally Posted by tanks View Post
Not to be pedantic, but the term "regulated" really applies to double rifles. As the barrels are adjusted to have a similar point of impact in relation to each other (standard is 2" at 50 meters) with a particular load.

Not to be more Pedantic, but the term "Regulated" with respect to gunnery means "zeroed to" or "trained on" a Particular Range. IE: Naval Guns are Regulated to a Specific Target after the Range is Marked. Regulated Barrels on Double Guns fall under this definition as both barrels are "Regulated" or "Zeroed," to hit the same place. The barrels on the gun that shot that 2 shot group are well Regulated..

Next Definition is "A Well Regulated Militia." Which means a highly trained group who's skills and accuracy are Well Regulated thru training.

As opposed to a Group of Armed Citizens controlled by Dumbass Politicians !

The overall context of the word is " Well Trained" as opposed to "Highly Controlled."

Randy
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Last edited by W.R.Buchanan; 07-12-2020 at 4:59 PM..
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  #90  
Old 07-12-2020, 5:59 PM
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Thanks Apples, I’ll skip it in that case.

I have a really good load with Hornady SST’s. It groups so well I never tried anything else.
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  #91  
Old 07-12-2020, 6:05 PM
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Quote:
Originally Posted by splithoof View Post

Apples, do you have a pic of my CZ527 to run next to yours, as a “little brother” to their bigger European brothers?
I don't think so, although I do remember *seeing* a picture of your little she-devil CZ before I actually beheld her glory in person. You may, if you'd be so kind, send another portrait of that diminutive beauty.

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  #92  
Old 07-12-2020, 6:12 PM
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Quote:
Originally Posted by sd joe View Post

Thanks Apples, I’ll skip it in that case.

I have a really good load with Hornady SST’s. It groups so well I never tried anything else.

Well, isn't that SASSY. /phil hartman from snl 30 yrs ago.

My 527 groups well with Yugoslav milsurp! but those danged primers. I'm leaving the rest of that crusty old batch O' cart-ridges for mag dumps in a friends' AK.

Can't wait to load for mine. I need some jacketed spitzers. All I have is a few boxes .310" Barnes TSX. These Speers look like just the ticket. Sheeesh! Might as well. I've got Speers for nearly everything I shoot these days: .44 Mag carbine, .45-70, .375 H&H and now it would appear I'm about to order some for my CZ X 39.
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"[The Left] will not accept the truth that if you take all the guns off the street you still will have a crime problem, whereas if you take the criminals off the street you will not have a gun problem." - Jeff Cooper

."Get a proper holster, and go hot. The End." - splithoof

.Member NRA and Mojave Lever Crew | Stuck somewhere between Cowboy and Tactical | Bolts, levers, single actions and 1911s | 1A - 2A = -1A
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