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I have a couple questions (probably stupid ones). I don't know diddly squat about underhammers but am interested. How do you keep the primer from falling off? Can you shoot saboted bullets with one?
What works for me and my UHs. I grind a little off of the nipple so the cap slides further up onto the larger diameter portion of it's tapered base. I hope this makes a LITTLE sense. 5 Pronghorns hunting and never lost a cap, some just give it a good pinch and it stays on. What I'm saying I guess is it isn't really a problem.
 

BCS

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" Can you shoot saboted bullets with one?"

Yes, kind of depends on what twist barrel you use.

I have fast twist bullet barrels and slow twist round ball barrels.
 
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Do you know why the 69 cal end of the barrel is round?

In case I want a Bayonet!!!

bayonets-gettysburg.gif
 
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