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45 acp in a H&A shotgun. (Read 101 times)

jimmy Senior Forum Member Offline Now available in Oklahoma. Posts: 380 Location: Skiatook Joined: May 12^th, 2009	45 acp in a H&A shotgun. Yesterday at 10:08am	Print Post
	I have a 45 acp sub caliber insert for 12 gauge. Have been using it occasionally in a side by side shotgun but thought I would try it in a H&A falling block shotgun I have. I'll make a bushing for the firing pin. Sound safe to shoot?


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ssdave Frequent Elocutionist Offline Posts: 2068 Location: Eastern Oregon Joined: Apr 16^th, 2004	Re: 45 acp in a H&A shotgun. Reply #1 - yesterday at 1:49pm	Print Post
	Absolutely safe. The difference in case size, plus low pressure of .45 ACP makes the breech thrust much less than the original blackpowder shotgun load. The insert handles the hoop pressure of the chamber, so the original frame/barrel is irrelevant.


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jimmy Senior Forum Member Offline Now available in Oklahoma. Posts: 380 Location: Skiatook Joined: May 12^th, 2009	Re: 45 acp in a H&A shotgun. Reply #2 - yesterday at 2:03pm	Print Post
	Thanks Dave. Was thinking the same thing. The insert is 11 inches long and the barrel is 30 inches. I may file for a form 1 suppressor stamp and build one for the extra 19 inches of barrel. Don't want to alter the shotgun so it's probably not possible.


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