Over powder card size

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Here is a newbie question. Do you want the card to match the bore, be undersized or oversized by a little bit. Reason I am asking is that I have an odd size bore and card is oversized, at least according to TOW specs. Don't want to open package if they will not work.

thanks
 
A little oversized is always better than undersized. I've seen some folks who claim loss of gases in a smoothbore doesn't matter much. I, personally, think they're "fool of it." My two guns must be unusually fussy if this is true. I can't remember what the difference is for my .75, but the 16 gauge bore is .662 and the cards are stamped out at .672.
 
Prior to finding a wadcutter for the 16 and store-bought wads for the Bess, I cut them by hand, and there was a tremendous advantage over these when I got more uniformity. Amazingly, I achieved better accuracy with paper wasp nest and tow than the hand cut wads! :doh:

"Ohioramrod" on this forum made my punch for the 16 ga. Not to be a salesman, but very reasonable and quick turnaround. You might consider measuring the bore and contacting him if what you have is too tight for your liking.
 
I've always used Circle Fly wads, overpowder, cushion and overshot. My 20 ga. wads of all three types measure .66", and they fit my .62" smooth bores just right.

Spence
 
Concerning wad sizing, Circle Fly Wads are sized from .010" over bore diameter for 28ga to .018 over for 4ga. Insufficiently oversize and/or insufficiently thick (depends on the material & diameter) wads can produce gas leakage, especially if your bore is less than perfect. FWIW, I've use home-punched wads up to .025" over bore (depending on what punch I had available) in my 16ga without difficulty in loading.

Regards,
Joel
 
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