barrel blank fit
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barrel blank fit
O.K., I tapped the ladder sight out . left to right, no problem. I put the Marble's barrel blank in right to left, problem!!! It just slides right through, in one side out the other? These barrel blanks come in sizes? Or am I missing some fact ( as usual).
Last edited by big bear on Thu Dec 27, 2007 12:38 am, edited 2 times in total.
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Cowboy, that is not uncommon and happens often if the gun is not made in US. When I encounter this, I use a center punch to make a dent or 4 on the bottom of the slot blank near the edge of the dovetail. This upsets a little metal and will make it a tight fit. I also use a little red loc-tite when installing. Heat will not be needed to remove unlike threads.
If the rifle is metric and the slot blank is US then you may be SOL with that one. If so, cut up the old sight to make a slot blank. Someone will chime in with pictures I bet.
I have also drilled and tapped the center of the slot blank for a set screw to hold it in place. Don`t overtighten those as they can cause a very light restriction in the bore if the barrel is thin.
If the rifle is metric and the slot blank is US then you may be SOL with that one. If so, cut up the old sight to make a slot blank. Someone will chime in with pictures I bet.
I have also drilled and tapped the center of the slot blank for a set screw to hold it in place. Don`t overtighten those as they can cause a very light restriction in the bore if the barrel is thin.
Re: barrel blank fit
Do like some of the old timers I know did. Take a lead (unplated) 22 bullet or small caliber pure lead round ball and peen it into the dovetail cut. You can match the barrel contour and the lead will age to a dark gray so as not to stand out too bad.big bear wrote:O.K., I tapped the ladder sight out . left to right, no problem. I put the Marble's barrel blank in right to left, problem!!! It just slides right through, in one side out the other? These barrel blanks come in sizes? Or am I missing some fact ( as usual).
Show him a picture Ty.
Yance
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If its an old antique rifle, I don't like to center punch 'em or tap down the "wings" of the dovetail, although that does work good. Anymore, on a nice rifle I just lightly sandpaper the contact areas, degrease it and apply some epoxy. When it comes time to remove, a sharp tap with a light hammer knocks 'em loose. Or you can apply heat, but I have never found that to be necessary.---------------Sixgun
Dovetail blanks
Rusty, I did not know Brownells was offering different sizes. I called them two years ago asking this very question. I was told only 3/8 was offered dispite some manufactures cutting their dovetail slots larger. Thank You. 1886.
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I never modify the Dovetail in the barrel itself but centerpunch or peen the sight slot blank if loose.
Edit for spellling!! Duh!
Edit for spellling!! Duh!
Last edited by Chuck 100 yd on Sat Dec 29, 2007 12:15 am, edited 1 time in total.
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#1 rule of gunsmithing. Work on the cheapest part first.Chuck 100 yd wrote:I never modify the Doveatil in the barrel itself but centerpunch or peen the sight slot blank if loose.
If you can find a part# for those oversize blanks i sure would like having it.
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Steve's Guns aka "Rossi 92 Specialists"
205 Antler lane
Lampasas, Texas 76550
http://www.stevesgunz.com
Email; steve@stevesgunz.com
Tel: 512-564-1015