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High Wall Breach Seater (Read 10845 times)

bpjack Frequent Elocutionist Offline Posts: 3729 Location: East Olympia, WA Joined: May 18^th, 2008	High Wall Breach Seater Sep 5^th, 2014 at 10:21pm	Print Post
	I was asked to post some pictures and measurements or a breach seater that I just purchased on eBay. I was setup for 30-30 and I am going to re-do it for 38-55 Here is the assembled device followed by the individual parts. I will post some measurements shortly. If anyone wants the original size photos, PM me your email address. Jack

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bpjack Frequent Elocutionist Offline Posts: 3729 Location: East Olympia, WA Joined: May 18^th, 2008	Re: High Wall Breach Seater Reply #1 - Sep 5^th, 2014 at 10:21pm	Print Post
	The Parts.

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bpjack Frequent Elocutionist Offline Posts: 3729 Location: East Olympia, WA Joined: May 18^th, 2008	Re: High Wall Breach Seater Reply #2 - Sep 5^th, 2014 at 10:25pm	Print Post
	Here is the body. It is 3.323 inches long. There is a 3/8" hole 2.3 inches deep from the rear and 1/4 " hole the rest of the way through. The slot for the cam is 1/4" wide and 1.36 " deep. The lobe at the front is .706 " and is a loose fit in a High Wall breach block mortice.
	« Last Edit: Sep 5^th, 2014 at 10:34pm by bpjack »
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bpjack Frequent Elocutionist Offline Posts: 3729 Location: East Olympia, WA Joined: May 18^th, 2008	Re: High Wall Breach Seater Reply #3 - Sep 5^th, 2014 at 10:32pm	Print Post
	Here is a drawing of the coupler nut. The 1/4 x 28 threaded portion is .750 inches deep. The 10x32 allen head screw allows for depth adjustment. The shaft is 2.535 inches long with .4 inches at the front threaded 10x32 that the 1.425 inches brass section screws into. The tail end of the shaft is threaded 1/4 x 28, .8 inches long. The cam is 1.125 inches in diameter. Jack

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bpjack Frequent Elocutionist Offline Posts: 3729 Location: East Olympia, WA Joined: May 18^th, 2008	Re: High Wall Breach Seater Reply #4 - Sep 5^th, 2014 at 10:37pm	Print Post
	Here are the two ends.

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frnkeore Frequent Elocutionist Offline Posts: 7600 Location: Central Point, OR 97502 Joined: Jun 16^th, 2010	Re: High Wall Breach Seater Reply #5 - Sep 6^th, 2014 at 1:33am	Print Post
	Great write up Jack, thank you. What is the diameter between the two ends of the body? Frank

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Chuckster Frequent Elocutionist Offline Posts: 2306 Location: Colorado Joined: May 15^th, 2008	Re: High Wall Breach Seater Reply #6 - Sep 6^th, 2014 at 10:59am	Print Post
	Jack, Thank you. A big help. Need one for a Ballard and still trying to figure it out. Chuck


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westerner Frequent Elocutionist Offline deleted posts and threads record holder. Posts: 12266 Location: Why, out West of course Joined: May 29^th, 2006	Re: High Wall Breach Seater Reply #7 - Sep 6^th, 2014 at 1:29pm	Print Post
	Chuckster wrote on Sep 6^th, 2014 at 10:59am: Jack, Thank you. A big help. Need one for a Ballard and still trying to figure it out. Chuck ?

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bpjack Frequent Elocutionist Offline Posts: 3729 Location: East Olympia, WA Joined: May 18^th, 2008	Re: High Wall Breach Seater Reply #8 - Sep 6^th, 2014 at 3:53pm	Print Post
	What is the diameter between the two ends of the body? Frank. It is just under 5/8", Looks like the body was made from 5/8" x 1" flat bar stock. Jack

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bpjack Frequent Elocutionist Offline Posts: 3729 Location: East Olympia, WA Joined: May 18^th, 2008	Re: High Wall Breach Seater Reply #9 - Nov 3^rd, 2014 at 7:26pm	Print Post
	I finally got around to making a prototype mostly out of aluminum to see what worked best in the machining order. I ended up drilling the body all the way through 3/8" and using a 1/4" id bronze bushing at the front. I also threaded the coupler all the way at 1/4-28 which is easier and works the same as the original version. I am using this with a very tight chamber in my 32-40 High Wall that I at this point needs to use a plugged case only since I can't expand a case mouth enough to slip a bullet in to and still chamber it. So, I cut about 3/8" off the front end to allow room for the entire case length. It works just fine. Next project is to see if I can adapt this style to a Ballard. Jack

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bpjack Frequent Elocutionist Offline Posts: 3729 Location: East Olympia, WA Joined: May 18^th, 2008	Re: High Wall Breach Seater Reply #10 - Nov 3^rd, 2014 at 7:32pm	Print Post
	Assembled.

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Schuetzenmiester Frequent Elocutionist Offline Posts: 6707 Location: Cool Wet Side of WA Joined: Apr 27^th, 2008	Re: High Wall Breach Seater Reply #11 - Nov 4^th, 2014 at 1:29am	Print Post
	Chuckster wrote on Sep 6^th, 2014 at 10:59am: Jack, Thank you. A big help. Need one for a Ballard and still trying to figure it out. Chuck Ballards are a little tricky. I made on that pushes off the sight base.

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Chuckster Frequent Elocutionist Offline Posts: 2306 Location: Colorado Joined: May 15^th, 2008	Re: High Wall Breach Seater Reply #12 - Nov 4^th, 2014 at 9:33am	Print Post
	Any chance of a photo or hand sketch of your Ballard breech-seater? I am always in need of ideas. Chuck


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cuslog Senior Forum Member Offline Posts: 263 Location: Calgary, Alberta Joined: Dec 29^th, 2011	Re: High Wall Breach Seater Reply #13 - Nov 4^th, 2014 at 10:38am	Print Post
	Excuse my ignorance, but what's the purpose of a "breach seater". Thanks


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Ciao998 Senior Forum Member Offline Posts: 263 Location: Kennewick, WA Joined: Oct 23^rd, 2013	Re: High Wall Breach Seater Reply #14 - Nov 4^th, 2014 at 12:36pm	Print Post
	cuslog wrote on Nov 4^th, 2014 at 10:38am: Excuse my ignorance, but what's the purpose of a "breach seater". Thanks It just a device used to drive the bullet into the rifling ahead of the case, with the objective being greater accuracy. John


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