BP 2 1/2 shells

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Appalachiannative said:
I seen a guy shoot slugs through a full choke H&R pardner single and nothing bad like that happened but it threw sparks out the muzzle and he couldn't hit the broad side of a barn
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Nitro Hunters haven't been made since the 30's. They were made by Crescent Firearms Co. for Belknap Hardware Stores.
 
To start with, a 12ga bore should be .729, but that doesn't mean yours [ or anyones is ]. Over the years someone could have gotten in there and reamed it out some. Or it could have been made larger. People forget to clean it and it gets some rust so out comes the reamer to make it shiny again. Anyways, you'd have to check the bore, then the muzzle to see how much constriction there is. One of my Parker hammerguns has .744 bores which was common back then.
The lead fowling in the bore is probably from shooting shot with fiber wads. Plastic wads kept the shot from rubbing on the bore. I can remember shooting fiber wads and having to clean the bores after each day of hunting with brushes first before going to the oiled cotton mop. You newbies need to think out side of the box like us old timers. :p:rofl::)
 
I loaded for an old Brit sxs for many years. Still have it.
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The gun has fluid steel barrels proofed for about 9000 psi in the UK. I loaded for <8000 psi and never had a problem. There are or were shot cups made for 2.5" shells. These guys have everything you need to build a 2.5" shell except powder.

https://www.ballisticproducts.com/Case-Trimming-Disassembly/products/138/

Then find the right smokeless powder. I wouldn't use black powder unless you buy some brass cases. I used IMR 7625 and PB but they don't make it anymore. It's going to take some research to find a powder that will work using some load data. This may help you get started. American Select is still being made.

https://www.nssa-nsca.org/wp-content/uploads/2011/10/ceretto.pdf

You'll have to roll crimp using a drill and a special tool available at ballistic products. I sealed my loads by dripping hot candle wax on the crimp.
 
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CoalTrain49 said:
You'll have to roll crimp using a drill and a special tool available at ballistic products. I sealed my loads by dripping hot candle wax on the crimp.
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Or do what I did and get an original roll crimper. I gave five bucks for mine off ebay but that's been 15 years or more. I don't know what they're going for now.

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hawg said:
Or do what I did and get an original roll crimper. I gave five bucks for mine off ebay but that's been 15 years or more. I don't know what they're going for now.

View attachment 1090626
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I like it. Does the same job except uses calories instead of watts. I don't believe I've ever seen one of those. Great find. Glad you told me what it was. ;)
 
I'm figuring out that my cheap harbor freight calipers are screwy battery is getting lowsking them show gibberish. So I got the less advanced set that only shows two digits and my muzzle diameter is .69 with this set. Used the same set on my Wing master which is marked improved cylinder and it comes up .69 so I know it's reading wrong but it does establish that the two are the same inside diameter at the muzzle. I don't have calipers with long enough prongs to measure the back of the bore and apparently I need to spend more money on measuring tools
 
Lol Guys, buy top notch blackpowder, top notch gunpowder, top notch screwdrivers, need I say more... buy some top notch batteries for those cheapo tools:evil:... but of course, I'm just as bad :rofl:
 
Hawg, you're dating yourself or getting some really good deals. Those roll crimpers now a days usually go for 25 to 30$. They're ok for 10 shells or so, but my 76 year old arms get tired after that. The ones that go in a drill press are easier when doing a 100 or more at one sitting. I keep my 10 and 12ga hand reloading tools in plastic pistol gun cases.
That RCer you show, I had two for many years and then was reading on the net about round or flat ends on a roll crimp. I got looking close at one of my RCers and noticed four small set screws going through the brass head. They could be turned for flat or round ends. It's funny how you can own something and never know everything it will do. It all started when some guys were bitching about the RCers that go in drill presses will only do a flat top crimp. Well, I found out back in the day they did a flat top, if that's what you wanted. Either way was just fine.
 
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