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 Maintenance & Troubleshooting
 Custom Chamber hones available for M1 Carbine
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myname
Advanced Member


USA
213 Posts

Posted - 07/15/2016 :  10:44:40 PM  Show Profile Send myname a Private Message  Reply with Quote
I have been working with the application engineer at Brush Research, the company which makes the cylinder hone brushes that Brownell's sells, to get them to make some hones for the M1 Carbine. Going off the drawing of an M1 Carbine cartridge they are willing to make up 400 and 800 grit ceramic honing brushes in a configuration useful in an M1 Carbine. The brush part will be .040 larger in diameter the a Carbine shell case, and will be 1" long, which will make it easy to keep away from the front of the chamber where the case headspaces to. There will be an 8-32 male threaded end on the brush. So a cleaning rod can be put down from the muzzle and the brush can be threaded on in the open chamber and then pulled back up into the chamber. The part numbers for the custom cylinder hone brushes are as follow:
14207- Chamber FH 30CAL Carbine 400SC 8-32 ADPT - List Price ($36.53) 400 Grit version probably all that is needed
14208- Chamber FH 30CAL Carbine 800SC 8-32 ADPT - List Price ($36.53) 800 Grit version.
There is a 2-4 week lead time for custom parts. You can order by emailing sales@brushresearch.com or by calling 323-261-2193.

Or buy the extra unopened Hone I have left over from my project. I bought two and only used one to solve my issue. See below.



Edited by - myname on 09/11/2016 10:54:09 AM

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rg1911
Senior Member



USA
536 Posts

Posted - 07/22/2016 :  9:03:37 PM  Show Profile Send rg1911 a Private Message  Reply with Quote
This sounds interesting. What is the value of a hone compared to the surface left by a finish reamer?

Thank you,
Richard
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myname
Advanced Member



USA
213 Posts

Posted - 08/18/2016 :  12:09:17 PM  Show Profile Send myname a Private Message  Reply with Quote
Richard,

I don't feel qualified to answer your question, other than to say the the cylinder honing brushes are an accepted way to smooth out issues with cylinder roughness causing extraction problems. Brush Research makes all sorts of cylinder honing brushes, some quite large for industrial applications. Brownell's has sold these cylinder hones for years, and people give them good reviews. In my case I have an IAI carbine which is fully GI part compatible and would be perfect except for some tool marks in the chamber.

Dennis

Edited by - myname on 09/07/2016 06:24:25 AM
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myname
Advanced Member



USA
213 Posts

Posted - 08/19/2016 :  1:49:26 PM  Show Profile Send myname a Private Message  Reply with Quote
So if anyone else needs to polish out an M1 Carbine chamber, I have one of the two chamber hones unopened in its box. I bought two, just in case I found a way to spoil one of them. I used one to do what I needed, and have no need for the other. $36 + $7 insured priority mail. Also have the honing oil. You'd only need an oz. or so to smooth out a carbine chamber, based on my experience. I will include some of the honing oil for free.

Edited by - myname on 09/07/2016 06:20:38 AM
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mountainboy04
Starting Member



7 Posts

Posted - 08/31/2016 :  01:00:27 AM  Show Profile Send mountainboy04 a Private Message  Reply with Quote
I would like to buy your spare hone. Please email me at bhunter527@aol.com
Thank you!
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myname
Advanced Member



USA
213 Posts

Posted - 09/07/2016 :  06:21:39 AM  Show Profile Send myname a Private Message  Reply with Quote
Still For Sale one unopened .30 Cal Carbine Chamber Hone in 400 grit $36 + $7 shipping. Will send 1 oz of honing oil for free, which should be plenty, or a half a pint for $4.50. PayPal or check OK.

See photos.

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Photo of other Hone I used to fix my issue, next to .30 Cal Carbine case.
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Edited by - myname on 09/11/2016 2:05:43 PM
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myname
Advanced Member



USA
213 Posts

Posted - 04/28/2017 :  12:07:09 PM  Show Profile Send myname a Private Message  Reply with Quote
Bump this tread..
Anyone having rough chamber related feeding issues, this Brush Research chamber hone will fix it in a hurry.
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