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45-70 Accuracy (Read 12328 times)

joeb33050 Frequent Elocutionist Offline Posts: 2613 Location: Marathon, FL Joined: Apr 20^th, 2004	45-70 Accuracy Feb 5^th, 2011 at 6:22am	Print Post
	My experience with 45-70 rifles is that for 5 five shot 100 yard groups, average group size under 2" is good shooting. This has been true for at least 5-6 SS rifles that I've owned. I would note that the 45-70 with bullets above 400 grains beats me up at the bench. Does anyone out there have experience to contradict this?


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boats Frequent Elocutionist Offline Posts: 7626 Location: Virginia Joined: Apr 23^rd, 2004	Re: 45-70 Accuracy Reply #1 - Feb 5^th, 2011 at 6:59am	Print Post
	Joe my experence is the same most 45/70's are 2moa guns. Am working with one now Marlin 1895 and when I get it to 2 moa will be satisified. This fixed with my 350gr cast bullet in a fairly light iron sighted Lever action. The rifle is working against the cartridge. However have never shot or even seen a purpose built Bench heavy barreled 45/70. Best I have seen from 45/70 is BPCS rifles and ones I have spotted are 2 moa Rifles during a match. Boats


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Schuetzendave Frequent Elocutionist Offline Retired Ex-Shooter Posts: 4142 Location: St. Albert, Alberta Joined: Jan 28^th, 2005	Re: 45-70 Accuracy Reply #2 - Feb 5^th, 2011 at 7:59am	Print Post
	CPA 44 1/2 with .45-70 RKS Barrel: Montana Vintage Arms - rear & Lyman 17A - front Average 1.142" 10 shot groups at 100 yards - shot with cataracts Lyman 457658 490 grains 24.6 grains XMP5744 COAL 2.910 .010" off lands Federal Cases Winchester Primers For BPCR shooting I prefer the .40-60 Maynard which is much more enjoyable to shoot numerous rounds day after day.


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trapdoor Dick Oldtimer Offline Posts: 557 Location: Newark Joined: Mar 26^th, 2009	Re: 45-70 Accuracy Reply #3 - Feb 5^th, 2011 at 9:52am	Print Post
	If you'd like a good light and accurate for 50 and 100 yd shooting, try a 300 gr cast over 18 grains 2400 or 350 grain Remington jacketed over 13 grains of Unique. These you can shoot off a bench without tooo much pain and I've seen literally one hole at 50 and all touching at 100 in at least 5 different rifles. I know there are a lot more pet loads out there, that work great these are mine. Dick

	Democracy is two wolves and a lamb deciding what to have for dinner. Liberty is a well armed lamb. - Benjamin Franklin
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henpeckedmuch Ex Member	Re: 45-70 Accuracy Reply #4 - Feb 5^th, 2011 at 12:45pm	Print Post
	My Sharps Pedersoli will keep all 10 shots into 1.5 in group at 100 yds using fixed and Black powder. It will keep them into a naval orange or small grape fruit (slightly bigger than my palm size) at 300 yds with same. But alas I've only shot 400gr to 500gr bullets and only B/P fixed.


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gunlaker Frequent Elocutionist Online Posts: 2383 Location: lower mainland, B.C. Joined: Dec 13^th, 2010	Re: 45-70 Accuracy Reply #5 - Feb 5^th, 2011 at 12:54pm	Print Post
	I think that just under 2 moa @ 100 is average for most .45-70's, but that is if you include lever actions and modern hunting rifles. Most of my rifles are either .45-70 or a .45 with one of the longer cases. I find that my BPCR rifles with Badger barrels are better than my Marlins or my Ruger. When loaded with black powder my Bpcr rifles with vernier tang sights are a little more accurate than my scoped Ruger #1, but when I use a light charge of Sr-4759 in my Badger barreled rifles the difference is greater as I can generally keep groups of 5 @100m in less than 1.5 inches. More than anything I guess this shows that target rifles are more accurate than hunting rifles I guess . Sorry if my post rambled a bit Chris.


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Trap4570 Junior Member Offline Posts: 73 Location: SW Missouri Joined: Nov 24^th, 2010	Re: 45-70 Accuracy Reply #6 - Feb 11^th, 2011 at 12:54pm	Print Post
	I like the 13 grain Unique load. I did modify it a bit by dropping the charge to 12 grains and filling the case with Kapoc from an old orange life preserver. It dings 10 inch gongs at 200 yards and very pleasant to shoot. It also allows recovery of the lead with little loss which lead is getting harder to find.


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screwloosetc Ex Member	Re: 45-70 Accuracy Reply #7 - Feb 11^th, 2011 at 1:46pm	Print Post
	Dick We agree on something. I also like 2400. 16-18gr in my 3 rifles behind the 325 gr. RCBSpb bullet and i can hit what ever i am shooting at out to 200yds. I have found over the years 16gr 2400 gives good acuracy in my cast bullet loads. 7mm IHMSA,7mm/08,7mmAckley,30/30win,308,30/06,and 7.7jap. I thought i was the only one using it. Not a lot of information in the loading books. Most of my information came from word of mouth and trying it.


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Trap4570 Junior Member Offline Posts: 73 Location: SW Missouri Joined: Nov 24^th, 2010	Re: 45-70 Accuracy Reply #8 - Feb 11^th, 2011 at 1:57pm	Print Post
	I learned it by word also. I got worried about powder position so that is why I reduced the charge by one grain and used a filler.


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frnkeore Frequent Elocutionist Offline Posts: 7448 Location: Central Point, OR 97502 Joined: Jun 16^th, 2010	Re: 45-70 Accuracy Reply #9 - Feb 11^th, 2011 at 2:30pm	Print Post
	I don't know if it was Ed Harris that "discovered" it but, he tells anyone that he can about 15-16 gr of 2400 for almost any meduim or larger cartridge. Frank

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screwloosetc Ex Member	Re: 45-70 Accuracy Reply #10 - Feb 11^th, 2011 at 2:47pm	Print Post
	Back when I was getting started cream of wheat was the filler to use.Smelled great. My first siingle shot rifle was a ruger #1 tropical in 458win mag. 65 gr 3031 behind lyman457406gc.would go into one hole as long as you could stand it. killed many groundhogs with that rifle. Returned it to Ruger because it was coroding between wood and metal. They replaced it with a new Rifle. Wish I had kept it.One of the most acurate rifles i have ever owned. Replacement not even close. Tom


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trapdoor Dick Oldtimer Offline Posts: 557 Location: Newark Joined: Mar 26^th, 2009	Re: 45-70 Accuracy Reply #11 - Feb 11^th, 2011 at 4:02pm	Print Post
	Hey Tom, I knew we'd be in agreement sooner or later. I don't know why 2400 seemd to be a new found hot item. We've been using it forever in cast bullet loads. I'm, (as soone as the snow is gone,)going to continue with another 2400 test program. This one is in my 32-40 TD Scheutzen. Initial tries with a 185 Hudson bullet is showing some real promise. I'll keep you in the loop. Dick

	Democracy is two wolves and a lamb deciding what to have for dinner. Liberty is a well armed lamb. - Benjamin Franklin
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westerner Frequent Elocutionist Offline deleted posts and threads record holder. Posts: 11740 Location: Why, out West of course Joined: May 29^th, 2006	Re: 45-70 Accuracy Reply #12 - Feb 11^th, 2011 at 5:16pm	Print Post
	trapdoor Dick wrote on Feb 11^th, 2011 at 4:02pm: Hey Tom, I knew we'd be in agreement sooner or later. I don't know why 2400 seemd to be a new found hot item. We've been using it forever in cast bullet loads. I'm, (as soone as the snow is gone,)going to continue with another 2400 test program. This one is in my 32-40 TD Scheutzen. Initial tries with a 185 Hudson bullet is showing some real promise. I'll keep you in the loop. Dick A few chambers were ringed using 2400 with a wad on it. A fellow in Poulsbo ringed two Sharps rifles with it in one day. Five shots each. That may be why most shooters dropped it. Bill Crane has shot thousands of rounds through his trapdoor with 2400. Bill didnt use a wad. Joe.

	A blind squirrel runs into a tree every once in a while.
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trapdoor Dick Oldtimer Offline Posts: 557 Location: Newark Joined: Mar 26^th, 2009	Re: 45-70 Accuracy Reply #13 - Feb 11^th, 2011 at 7:25pm	Print Post
	Joe, I don't know how many thousands of rounds, mostly 45-70, I fired through I don't know how many rifles and never saw this. 'course, as you mentioned yourself, no wadding. Maybe a pressure spike?? Don't know, but I do know I ain't agoin' ta be ashootin' no wads and such. Dick

	Democracy is two wolves and a lamb deciding what to have for dinner. Liberty is a well armed lamb. - Benjamin Franklin
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screwloosetc Ex Member	Re: 45-70 Accuracy Reply #14 - Feb 11^th, 2011 at 7:49pm	Print Post
	The only thing i have heard is the new 2400 is more potent than the old stuff. Used cream of wheat and a wax plug for forming cases in my Ackley. Smith who built rifle told me to use this method. Didn't have to go to range to form cases. Only hazard i see with 2400 is chance of a double charge. I start loading with primer up in block to prevent this.I seat bullets when I charge cases. I use inline seaters all calibers. Make no effert to position powder when i shoot. 16-18 gr.2400 has shot consistantly tight groups for me. I'm using Alox and Emmits lube. Tom


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