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Barrel boring/rifling lathe (Read 4126 times)

broken_arrow Full Member Offline Posts: 202 Location: Lancaster County Joined: Aug 12^th, 2008	Barrel boring/rifling lathe Oct 16^th, 2015 at 6:46am	Print Post
	Hi all, I have the chance to buy a LARGE machine and need some info. It is a Pratt & Whitney no. 1/2BX50. It will drill/ream/rifle up to a .75 inch hole, up to 50 inches long. It has 2 complete set-ups on one machine so it can work on 2 barrels at a time. Seems to be a machine made for production work. Can anyone help me with info and possibly a value? Thanks, Dave

	ASSRA #10186 (10-25-2021) Every Mighty Oak Was Once A Little Nut That Held Its Ground
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KAF Ex Member	Re: Barrel boring/rifling lathe Reply #1 - Oct 16^th, 2015 at 7:35am	Print Post
	Found this with a quick search. Feb 2012 sale. (You need to *Login* or *Register* to view media files and links)


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Deadeye Bly Frequent Elocutionist Offline Posts: 1072 Location: Stephens City Joined: Feb 25^th, 2011	Re: Barrel boring/rifling lathe Reply #2 - Oct 16^th, 2015 at 7:45am	Print Post
	I think you'll find that it is just a deep hole drilling machine. You can also ream on this machine. A rifling machine is different and you'll need both to make barrels.


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Singleshotlover Ex Member	Re: Barrel boring/rifling lathe Reply #3 - Oct 16^th, 2015 at 11:56pm	Print Post
	Now if you could find a Pratt & Whitney sine bar rifling machine to go with the other one you'd be a long way to making your own barrels. Probably have to do a rebuild job on the sine bar as I think the last ones were made during WWII. Frank


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uscra112 Frequent Elocutionist Offline Posts: 4079 Location: Switzerland of Ohio Joined: May 7^th, 2007	Re: Barrel boring/rifling lathe Reply #4 - Oct 17^th, 2015 at 6:37am	Print Post
	When I was in the machine tool rebuilding business in the '80s, we saw a couple or three of these. By the time they came to us they needed $75,000 worth of work to make them serviceable again. Be careful.

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John Taylor Frequent Elocutionist Online Posts: 1717 Location: Lewiston, ID Joined: Oct 23^rd, 2006	Re: Barrel boring/rifling lathe Reply #5 - Oct 17^th, 2015 at 9:40pm	Print Post
	I have been getting some barrels from X-caliber, a new company in Montana. They went with new CNC machines and from what I understand, can bore five barrels at a time. There are a few old machines out there but as stated before it would probably cost as much to restore one as it would cost to buy new. Rifling machines are not that complicated to build from scratch and there are plans available. I built mine with no plans and it seems to do good for me. Talked to an old barrel maker many years back and was asking him about a boring machine for rifle barrels and he says " start with an old 6 cylinder engine block". Then went on to say how to turn it over and use the bearings for the spindle. You would need to make lots of barrels to justify the expense of a Pratt and Witney but I would still love to have one.

	John Taylor Machinist/gunsmith
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broken_arrow Full Member Offline Posts: 202 Location: Lancaster County Joined: Aug 12^th, 2008	Re: Barrel boring/rifling lathe Reply #6 - Oct 20^th, 2015 at 7:09am	Print Post
	Thanks for the replies. I can get the lathe for less than $1500 and was looking to make a quick turnover on it. More of a potential investment than a machine for me. Thanks again, Dave

	ASSRA #10186 (10-25-2021) Every Mighty Oak Was Once A Little Nut That Held Its Ground
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singleshotom Senior Forum Member Offline Posts: 371 Location: tofield AB. Canada Joined: Feb 23^rd, 2008	Re: Barrel boring/rifling lathe Reply #7 - Oct 21^st, 2015 at 10:13am	Print Post
	Ron Smith uses a dual Pratt&Whitney beep hole drill. One side is used for drilling an the other is set up for reaming. Much of it has been redone/redesigned by Ron to serve his requirements. Hell of a solid old machine. tom


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