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7x57 with black powder (Read 2733 times)

oneatatime Frequent Elocutionist Offline Posts: 3912 Location: Rocky Mountains Joined: Oct 30^th, 2011	Re: 7x57 with black powder Reply #15 - Oct 4^th, 2023 at 7:15pm	Print Post
	Grumpy, my 1905 Ross in 303 is one with a sloppy chamber although I'm sure it didn't start out that way. Probably a WWI field modification to make loading easy when the cartridge was slathered with mud. It comes out looking like a fat 35 Whelen. Just neck sizing and annealing leave the rest of the case formed to the chamber and seems to work for several reloadings at least.


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Grumpy gumpy Full Member Offline Posts: 214 Location: australia Joined: Jul 6^th, 2016	Re: 7x57 with black powder Reply #16 - Oct 5^th, 2023 at 2:12am	Print Post
	oneatatime wrote on Oct 4^th, 2023 at 7:15pm: Grumpy, my 1905 Ross in 303 is one with a sloppy chamber although I'm sure it didn't start out that way. Probably a WWI field modification to make loading easy when the cartridge was slathered with mud. It comes out looking like a fat 35 Whelen. Just neck sizing and annealing leave the rest of the case formed to the chamber and seems to work for several reloadings at least. I would say that’s been fiddled with, I’ve only handled two 303 Ross rifles , both had fairly tight chambers. Being down here in the antipodes has the advantage of access to lots of 303’s in smle, martini’s etc, what’s common to us is uncommon to the US and vice a versa with a lot of other rifles Gumpy


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cheatin_charlie Senior Forum Member Offline Posts: 358 Location: ohio Joined: Jan 10^th, 2009	Re: 7x57 with black powder Reply #17 - Oct 5^th, 2023 at 1:14pm	Print Post
	OK Results of small test. I loaded cartridges and went to the range yesterday. Load consisted of what I had on hand. Bullet was 7 MM 145 GRAIN FLAT POINT GAS CHECKED POWDER COATED I shot with smokeless powder in this rifle. Case full of Schutzen 2F powder with about .100 compression. Used stock barrel sights at 100 yards bench rest. I only loaded 6 rounds to test. One shot to foul the barrel and 5 for group cleaning between shots. Five shots went into a group of about 1 1/2" pretty good for no load development and store bought bullets. Only problem I encountered was because of the large neck in these rifles the case necks split lengthwise. Fouling not too bad 2 wet and 1 dry patch to clean the bore. I was impressed and will continue further experimentation. Charlie PS a lot cheaper to experiment with existing rifle than buying a new one!


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condorsc Full Member Offline NRA Life/Benefactor, ASSRA, SCV Life Posts: 157 Location: Beaufort, S.C. Joined: Nov 13^th, 2021	Re: 7x57 with black powder Reply #18 - Oct 16^th, 2023 at 2:58am	Print Post
	Well, the initial loading for the 8X58RD was a compressed BP load, but (the Danes?) quickly switched to smokeless. Supposedly they had intended to do this originally anyway, but....comments?


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condorsc Full Member Offline NRA Life/Benefactor, ASSRA, SCV Life Posts: 157 Location: Beaufort, S.C. Joined: Nov 13^th, 2021	Re: 7x57 with black powder Reply #19 - Oct 16^th, 2023 at 3:02am	Print Post
	cheatin_charlie wrote on Oct 5^th, 2023 at 1:14pm: OK Results of small test. I loaded cartridges and went to the range yesterday. Load consisted of what I had on hand. Bullet was 7 MM 145 GRAIN FLAT POINT GAS CHECKED POWDER COATED I shot with smokeless powder in this rifle. Case full of Schutzen 2F powder with about .100 compression. Used stock barrel sights at 100 yards bench rest. I only loaded 6 rounds to test. One shot to foul the barrel and 5 for group cleaning between shots. Five shots went into a group of about 1 1/2" pretty good for no load development and store bought bullets. Only problem I encountered was because of the large neck in these rifles the case necks split lengthwise. Fouling not too bad 2 wet and 1 dry patch to clean the bore. I was impressed and will continue further experimentation. Charlie PS a lot cheaper to experiment with existing rifle than buying a new one! What rifle were you using?


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cheatin_charlie Senior Forum Member Offline Posts: 358 Location: ohio Joined: Jan 10^th, 2009	Re: 7x57 with black powder Reply #20 - Oct 16^th, 2023 at 6:31am	Print Post
	Original Remington Rolling Block rifle.


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gnoahhh Oldtimer Offline Posts: 829 Location: Gaithersburg, MD Joined: Mar 31^st, 2010	Re: 7x57 with black powder Reply #21 - Oct 16^th, 2023 at 8:36am	Print Post
	Remington 7mm's can shoot when you unlock their secrets. Not germane to the discussion re: black powder but here's an example. 18 gr. SR-4759, 139 jacketed, issue sights, 50 yards, 5 shots: (You need to *Login* or *Register* to view media files and links)


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westerner Frequent Elocutionist Offline deleted posts and threads record holder. Posts: 11512 Location: Why, out West of course Joined: May 29^th, 2006	Re: 7x57 with black powder Reply #22 - Oct 16^th, 2023 at 9:55am	Print Post
	cheatin_charlie wrote on Sep 26^th, 2023 at 12:44pm: I have a really nice 7x57 rolling block rifle. The thought crossed my mind to try black powder in it. Question is has anybody have experience in black powder in a bottle neck case? Is it even worth thinking about? Someone besides me must have wondered. I've often wondered the same thing. I've used BP in the 30-40 Krag , 32-40 Krag and 32 special and the little 8.15X46 R, also the 40-70 BN. Have had no problems with case damage. Got BP accuracy. Only cases I ever had problems using BP in was the 32-40 Ballard and the 25-20SS. In the case of the latter it just burned the cases up in short order. Sure, I'd try BP in a 7X57, if I was really bored. If you are looking for accurate shooting , smokeless powder is the way to go as gnoahhh points out.

	A blind squirrel runs into a tree every once in a while.
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art_ruggiero Frequent Elocutionist Offline Posts: 1111 Location: CT Joined: Dec 14^th, 2008	Re: 7x57 with black powder Reply #23 - Oct 16^th, 2023 at 10:30am	Print Post
	off topic any suggestions to neck size only on th 8 58 danish thanks


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condorsc Full Member Offline NRA Life/Benefactor, ASSRA, SCV Life Posts: 157 Location: Beaufort, S.C. Joined: Nov 13^th, 2021	Re: 7x57 with black powder Reply #24 - Oct 16^th, 2023 at 5:28pm	Print Post
	cheatin_charlie wrote on Oct 16^th, 2023 at 6:31am: Original Remington Rolling Block rifle. Charlie, I can send you 20 or so 7X57 reformed from Win. 30-06, annealed and ready to go, if you'd like. That would demonstrate if the neck was too large or it was due to the notorious Remington headspace problem.


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