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Jacketed bullets in older barrels (Read 201 times)

condorsc Full Member Offline NRA Life/Benefactor, ASSRA, SCV Life Posts: 183 Location: Beaufort, S.C. Joined: Nov 13^th, 2021	Jacketed bullets in older barrels Nov 10^th, 2025 at 2:05pm	Print Post
	I wish to start using jacketed 8mm bullets in my 1867/1889 8X58Rd Swedish Krag. I realize these rifles were rebarreled to use this FMJ smokeless round, but I keep seeing disparaging remarks about older barrel's abilities to do this. Will reasonable loads using IMR 4198, Unique, H4198, or Reloader 7, perhaps with heavier bullets, harm accuracy and hasten deterioration? How about with other older rifles, in general? I will welcome all remarks, to include experiential loads for this old smokepole, which has a pristine bore. Thanks in advance.


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marlinguy Frequent Elocutionist Offline Ballards may be weaker, but they sure are neater! Posts: 17304 Location: Oregon Joined: Feb 2^nd, 2009	Re: Jacketed bullets in older barrels Reply #1 - Nov 10^th, 2025 at 2:22pm	Print Post
	Any of my older BP era softer steel barrels never see any jacketed bullets. I figure if they're still in nice shape I want to keep them that way by only loading cast lead loads. If it was smokeless steel, or rebarrel I don't see any problem, although I still shoot cast in guns I build up with modern steel barrels by choice.

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condorsc Full Member Offline NRA Life/Benefactor, ASSRA, SCV Life Posts: 183 Location: Beaufort, S.C. Joined: Nov 13^th, 2021	Re: Jacketed bullets in older barrels Reply #2 - Nov 10^th, 2025 at 3:07pm	Print Post
	The barrel was intended for jacketed bullets, whether cupronickel or copper I don't know. I'll just have to experiment. Thanks.


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marlinguy Frequent Elocutionist Offline Ballards may be weaker, but they sure are neater! Posts: 17304 Location: Oregon Joined: Feb 2^nd, 2009	Re: Jacketed bullets in older barrels Reply #3 - Nov 10^th, 2025 at 3:15pm	Print Post
	condorsc wrote on Nov 10^th, 2025 at 3:07pm: The barrel was intended for jacketed bullets, whether cupronickel or copper I don't know. I'll just have to experiment. Thanks. No reason not to shoot them then.

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JHand Full Member Offline Posts: 140 Joined: Apr 15^th, 2024	Re: Jacketed bullets in older barrels Reply #4 - Nov 10^th, 2025 at 3:59pm	Print Post
	Not quite as old, but I shoot jacketed in my .348 with good accuracy. It's my great grandpa's rifle, and the only real issue is that someone in the family didn't think much about cleaning the bore, so it's pitted pretty badly and attracts copper fouling like crazy


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4060may Full Member Offline Posts: 187 Location: Richfield Joined: Jul 12^th, 2006	Re: Jacketed bullets in older barrels Reply #5 - Nov 10^th, 2025 at 4:56pm	Print Post
	if you are shooting pull down bullets, not current manufactured I would run a magnet over them, just to make sure they are not steel jacketed,


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Old-Win Frequent Elocutionist Offline Posts: 1778 Location: Minnesota Joined: Nov 24^th, 2005	Re: Jacketed bullets in older barrels Reply #6 - Nov 10^th, 2025 at 11:14pm	Print Post
	100 years ago.


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