Cas City Forum Hall & CAS-L
Special Interests - Groups & Societies => BROW => Topic started by: Tascosa Joe on February 03, 2020, 10:09:45 AM
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ALL:
I have a Shiloh 30 " heavy octagon 50-70. I bought it about 10 yrs ago when I had money. I need a primer on how to make it shoot. I have an article in BP Cartridge mag written by Mike Nesbit on the 50-70. From a cold clean barrel, the first 5 shots grouped at 1 o'clock 6 inches high and 4 in group at 55 yds. 425 gr 63 gr of KiK 2F. Factory iron sights. After that it went down hill. Please point me in the right directions.
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Get the book written by two campion shooters called ?SPG Lubricants BP Cartridge Reloading Primer? by Mike Venturino and Steve Garbe. They explain how and why step by step.
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Does the 9th addition have enough updated information to warrant purchasing if you can get a 1996 version?
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No, everything you need is in the older edition.
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Joe, what lube are you using and whats your load? You say it went downhill after 5 shots but what are you doing about fouling....wiping between shots? Wiping after 5 shots? Etc.
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a good place https://www.shilohrifle.com/forums/
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Sam: I have not been wiping between shots. I am used to my 38-40 with SPG lube and the proper bullet going 50-60 rds between wiping and still maintaining 5" groups at 75 yds.
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Try it or at least every 5 shots. I think fouling is your problem. Also, you might consider using a blow tube and use it between shots cause its awful dry air there in Lamb County which makes for hard fouling. I like Napa cutting oil diluted 10:1 for a wiping fluid.
Also, what powder are you using and are you using compression?
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I built me a blow tube. I have Goex 2F, 3F, KiK 1.5, & 2F. It did not like the KiK from the start. I cast some 446 gr bullets from a Lee mold yesterday. I have a Lyman 515141 from Midway in route. I would like to try OE, but no one within 150 miles sells BP by the can and I dont want to find storage for another 10-25#.
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What does your bore slug out at? Some of those bullets may be too big for the Shiloh.
The 2f Goex or the KiK should be okay....either need about 1/4 in of compression to work right. Use a drop tube if you have one...if not settle by touching the case against a vibratory cleaner.
If push comes to shove you could always duplex by using no more than 10% smokeless in the form of 4759, Rel 7, or similar burn rate powder under your blackpowder. If you do this don't compress the load more than about 1/16 in.