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| Forums10 Topics39,553 Posts562,668 Members14,593 |  | Most Online9,918Jul 28th, 2025
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Joined:  Oct 2010 Posts: 971 Likes: 41 Sidelock |  
| OP   Sidelock 
 Joined:  Oct 2010 Posts: 971 Likes: 41 | 
Anyone have experience with flex honing a 410? This is a last ditch experiment before the little SXS is either sleeved or rebarreled.
 It is English, 2 1/2 inch chambered, peninsula lock hammer gun, round actioned, very cute and worth saving .
 
Last edited by Shotgunlover; 10/02/19 08:57 AM.
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Joined:  Dec 2001 Posts: 7,320 Likes: 628 Sidelock |  
|   Sidelock 
 Joined:  Dec 2001 Posts: 7,320 Likes: 628 | 
I gave up on flex hones years ago. I now use a modified Sunnen hone. I have not tried such a small diameter tube but I would look into the options they have to offer. I can send you pictures, and maybe an article on this system if it would help you.Steve
 
 
Firearms imports, consignments ![[Linked Image from i.imgur.com]](https://i.imgur.com/Ez9oz9Rl.jpg)  |  |  |  
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Joined:  Oct 2010 Posts: 971 Likes: 41 Sidelock |  
| OP   Sidelock 
 Joined:  Oct 2010 Posts: 971 Likes: 41 | 
SKB thank you for the info. Around here a Sunnen honing head is about the same cost as sending it for sleeving in Italy. That is the reason I thought of Flex Hone as an experiment before resorting to more drastic measures. 
 I will look for other alternatives for honing heads and see if something more affordable surfaces.
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Joined:  Dec 2001 Posts: 7,320 Likes: 628 Sidelock |  
|   Sidelock 
 Joined:  Dec 2001 Posts: 7,320 Likes: 628 | 
I just use a mandrel and stone from the Sunnen set up.
 This is for a larger size than you need but 40$
 
 https://www.ebay.com/itm/Sunnen-BL20-619AH-Mandrel-w-Wedge-G/183787002635?hash=item2aca8f1b0b:g:wKMAAOSw8GJcwOCh
 
 
Firearms imports, consignments ![[Linked Image from i.imgur.com]](https://i.imgur.com/Ez9oz9Rl.jpg)  |  |  |  
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Joined:  Mar 2002 Posts: 7,893 Likes: 651 Sidelock |  
|   Sidelock 
 Joined:  Mar 2002 Posts: 7,893 Likes: 651 | 
Ive never had much luck with a flexhone. It just seems to polish the roughness. Or as a friend said run it for an hour and you might remove a .001 of metal. Safe for hobbyist because it does not do much very fast and our attention span is very short. We give up before we screw up anything. |  |  |  
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Joined:  Feb 2002 Posts: 2,859 Sidelock |  
|   Sidelock 
 Joined:  Feb 2002 Posts: 2,859 | 
A few years ago I was looking into optimizing a .410 of mine. Aside from extending the forcing cones and enlarging the barrel bore diameters (I forget how much). The final treatment was to put a high polish on the newly extended forcing cones and enlarged barrel bores.
 I never had the work done on my gun so I can't say how much it helped, though it did make sense. BTW, the gun was a Rossi Squire (a Walmart special) I'd cosmetically worked over. I called it my Sow's Ear Project. Unfortunately, it just wasn't worth it to invest that much money in the gun.
 
 Steve
 
Last edited by Rockdoc; 10/02/19 10:09 AM.
 
 Approach life like you do a yellow light - RUN IT! (Gail T.)
 
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Joined:  Oct 2010 Posts: 971 Likes: 41 Sidelock |  
| OP   Sidelock 
 Joined:  Oct 2010 Posts: 971 Likes: 41 | 
Interesting re the mandrels. Our local dealer had quoted 450 Euros for the mandrel and extra for the stones. |  |  |  
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Joined:  Dec 2001 Posts: 2,961 Likes: 9 Sidelock |  
|   Sidelock 
 Joined:  Dec 2001 Posts: 2,961 Likes: 9 | 
I have had a lot of luck with emory paper, a split aluminum rod, and lard oil as a cutting fluid, If the pitting is very mild Frountier gun shop sells a stainless steel pad that will clean up very mild pitting when turned on rod with a drill.bill
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Joined:  Jan 2002 Posts: 14,028 Likes: 1827 Sidelock |  
|   Sidelock 
 Joined:  Jan 2002 Posts: 14,028 Likes: 1827 | 
 ChuckH has solid proof of how much very long forcing cones help a .410.
 SRH
 
 May God bless America and those who defend her.
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