Duplex for 45-110 fouling control

This is the place to discuss your duplex and smokeless loads for your black powder guns. All SAFETY concerns must be addressed, and high pressure loads are NOT to be promoted here.
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Duplex for 45-110 fouling control

Post by Mecharius » Fri Jan 27, 2017 3:34 pm

I am looking at Duplex Loads purely for fouling control. I stick to pure BP when shootinh from the rest, but sometimes I like to take my rifle up for mountain hikes, where having a cleaning rod and blowtube out and ready may not always be the easiest. I have been looking at ways to keep my bore clean-ish (relatively) to maintain accuracy over multiple shots during this "field" range time.

C Sharps Arms 1874 Bridgeport 45-110

Normal powder of preference
Swiss 1.5 F

Buffalo Arms 545 grain .446 for paper patch

Smokeless rifle powders i have
IMR 3031

Open to suggestion on what powder to use, and what grain to start with and work up from. Willing to try other powders than what I have already of course, but maybe I will get lucky and one of the two I use the most will work.
Any suggestions, information, or anecdotes would be appreciated. Thank you in advance.

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Re: Duplex for 45-110 fouling control

Post by MikeR » Fri Jan 27, 2017 7:24 pm

In my Shiloh's I use a .440" 20/1 bullet patched with 9# onion skin from thepapermillstore.com. They are about .004- .005" smaller than bore. Try 100 to 110 grains of Old Eynsford 2f with a card wad cut from paper milk cartons then compressed to .400" below the case mouth. Then add a .25" lube wad of DGL and top it with another milk carton wad and then use a bushing die or taper crimp die to reduce the case mouth to hold the bullet.

This is a load very similar to what I use for hunting. The wiping rod stays in the truck and the blow tube stays home. Swiss is my least favorite powder for shooting "dirty", the fouling is too gummy. My favorite powder is KIK 2f but preliminary test with OE seem to be going well. Try this and maybe you wont want to try duplex loads.



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