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Winchester front sight location (Read 5129 times)

powderman Senior Forum Member Offline Posts: 332 Location: British Columbia Joined: Feb 26^th, 2005	Winchester front sight location Nov 25^th, 2015 at 9:11pm	Print Post
	I remember reading somewhere that Winchester placed the front sight on their antique rifles at a standard distance from the muzzle, and that this distance could be used as clue as to whether or not the barrel has been shortened. Am I remembering right and can anybody provide this measurement? Thanks


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cuslog Senior Forum Member Offline Posts: 263 Location: Calgary, Alberta Joined: Dec 29^th, 2011	Re: Winchester front sight location Reply #1 - Nov 25^th, 2015 at 9:54pm	Print Post
	Can't say whether or not its a "standard" but from the Highwall plans available from ASSRA, the front sight location on a "Standard" #3 octagon barrel is .870" from muzzle to center of the dovetail.


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FITZ Oldtimer Offline REGARDS Posts: 917 Location: MASSACHUSETTS Joined: Apr 16^th, 2004	Re: Winchester front sight location Reply #2 - Nov 26^th, 2015 at 12:51pm	Print Post
	I remember seeing the same comment. It went like this. The dimension from the Muzzle back to the top front edge of the Dovetail cut should be .750 or 3/4" If it was done at the Factory and had not been messed with. I did check some of my Rifles that I considered in original shape and they all conformed. Not exact but within a Nominal tolerance of + or - .005. So that is the number I have adopted for a standard. HTH Regards, FITZ.

	FITZ
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powderman Senior Forum Member Offline Posts: 332 Location: British Columbia Joined: Feb 26^th, 2005	Re: Winchester front sight location Reply #3 - Nov 28^th, 2015 at 12:18pm	Print Post
	Thanks for the replies. cuslog, do the highway plans give the width at the top and the bottom of the front sight dovetail? Regards, powderman


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BP Frequent Elocutionist Offline Posts: 8039 Location: Westside Joined: Aug 27^th, 2006	Re: Winchester front sight location Reply #4 - Nov 28^th, 2015 at 3:51pm	Print Post
	Are you cutting straight or tapered dovetails? Some sources give dovetail measurements using pins of various diameters.

	There are three kinds of men: The ones that learn by reading, the few who learn by observation, and the rest who have to pee on the electric fence and find out for themselves. Proud Noodlehead
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marlinguy Frequent Elocutionist Offline Ballards may be weaker, but they sure are neater! Posts: 16052 Location: Oregon Joined: Feb 2^nd, 2009	Re: Winchester front sight location Reply #5 - Nov 28^th, 2015 at 9:40pm	Print Post
	BP wrote on Nov 28^th, 2015 at 3:51pm: Are you cutting straight or tapered dovetails? Some sources give dovetail measurements using pins of various diameters. Tapered dovetails in barrels? Aren't all sights tapered to work with straight cut dovetails? If both were tapered, how would you fit the sight, or have any adjustment?

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BP Frequent Elocutionist Offline Posts: 8039 Location: Westside Joined: Aug 27^th, 2006	Re: Winchester front sight location Reply #6 - Nov 29^th, 2015 at 4:09am	Print Post
	marlinguy wrote on Nov 28^th, 2015 at 9:40pm: BP wrote on Nov 28^th, 2015 at 3:51pm: Are you cutting straight or tapered dovetails? Some sources give dovetail measurements using pins of various diameters. ... Aren't all sights tapered to work with straight cut dovetails? ... These days, you better have the sight in hand and measure it.

	There are three kinds of men: The ones that learn by reading, the few who learn by observation, and the rest who have to pee on the electric fence and find out for themselves. Proud Noodlehead
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SSShooter Frequent Elocutionist Offline Posts: 2917 Location: Southern NJ Joined: Aug 1^st, 2010	Re: Winchester front sight location Reply #7 - Nov 29^th, 2015 at 6:44am	Print Post
	Campbell covers this in his Win Single-Shot books. From memory, it is 3/4" from the muzzle to the front of the cut, but check me on this.

	Glenn - 2x CPA 44 1/2 w/22LR (Shilen ratchet-rifled & Bartlein 5R rifled), 38-40RH & 38-55WCF (Bartlein 5R rifled) & 40-65WCF (GrnMtn 'X') barrels
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chawk Full Member Offline Posts: 208 Location: Virginia Joined: Jan 29^th, 2014	Re: Winchester front sight location Reply #8 - Nov 29^th, 2015 at 8:41am	Print Post
	If you want to see if your barrel has been cut you could also measure the diameter at the muzzle. All Winchester barrels taper to a set number. For example, a #3 barrel is .9 at the muzzle. If it measures differently then it has been cut, regardless of sight location.


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cuslog Senior Forum Member Offline Posts: 263 Location: Calgary, Alberta Joined: Dec 29^th, 2011	Re: Winchester front sight location Reply #9 - Nov 29^th, 2015 at 12:54pm	Print Post
	powderman wrote on Nov 28^th, 2015 at 12:18pm: Thanks for the replies. cuslog, do the highway plans give the width at the top and the bottom of the front sight dovetail? Regards, powderman They don't actually give width @ top, just .375 X 60 degree dovetail X .094 deep. I have imported these plans into AutoCad and measuring to scale says the top of a .375 x 60 deg x .094 dp dovetail should be .266 wide @ top. Or .870 - .133 = .737 muzzle to front edge of dovetail.


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calledflyer Frequent Elocutionist Offline Posts: 3549 Joined: Mar 9^th, 2015	Re: Winchester front sight location Reply #10 - Nov 29^th, 2015 at 3:45pm	Print Post
	It should be pointed out that Campbell, and actual measuring, indicate that the dimensions on the Winchester barrels are with some tolerance. Fixture setup, filing and other cleanup seem to have made them just a wee bit random. Not a lot, but that's the way they are, too. So, don't go all nutso over a few thou.


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cuslog Senior Forum Member Offline Posts: 263 Location: Calgary, Alberta Joined: Dec 29^th, 2011	Re: Winchester front sight location Reply #11 - Nov 29^th, 2015 at 4:07pm	Print Post
	calledflyer wrote on Nov 29^th, 2015 at 3:45pm: It should be pointed out that Campbell, and actual measuring, indicate that the dimensions on the Winchester barrels are with some tolerance. Fixture setup, filing and other cleanup seem to have made them just a wee bit random. Not a lot, but that's the way they are, too. So, don't go all nutso over a few thou. Yes, I almost added to my previous post : 3/4" is probably a good "rule of thumb" number, as most people with a tape measure probably couldn't see the .013" and even with calipers there's probably going to be some chamfered edges, hand filing etc. to take into account.


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BP Frequent Elocutionist Offline Posts: 8039 Location: Westside Joined: Aug 27^th, 2006	Re: Winchester front sight location Reply #12 - Nov 29^th, 2015 at 4:17pm	Print Post
	I remember long ago seeing a copy of a Lyman factory blueprint for making a Go - No Go guage that was used to check that a dovetail was within established specifications. I'd suspect that they still have those specs.

	There are three kinds of men: The ones that learn by reading, the few who learn by observation, and the rest who have to pee on the electric fence and find out for themselves. Proud Noodlehead
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