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Creedmoor barrel (Read 14548 times)

SchwarzStock Frequent Elocutionist Offline Posts: 1309 Location: SchwarzWald Joined: Mar 23^rd, 2010	Re: Creedmoor barrel Reply #15 - Dec 20^th, 2011 at 9:48am	Print Post
	I have what appears to be a "B" Grade No. 1 Creedmoor. The barrel looks to be a replacement in 45-90. The forend has been shortened slightly and the guns now weighs 9lbs 10oz. with a 34 inch barrel. Comparing the pictures of Custer's gun my barrel looks to be a bit light and since it has excess headspace I'm going to pull it and replace it with a new one hopefully approximating the original contour. And since it will no longer be 100% orig I will probably opt for 45-70 vs the proper 44-77. SS

	If your rifle is not in 7.62 and you can't hit what you are aiming at with de-linked machinegun ammo you are a pretender.
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westerner Frequent Elocutionist Offline deleted posts and threads record holder. Posts: 12333 Location: Why, out West of course Joined: May 29^th, 2006	Re: Creedmoor barrel Reply #16 - Dec 20^th, 2011 at 3:28pm	Print Post
	Interesting. Sounds like the barrel was set back. Why not have a gunsmith bush the chamber to correct the head space? Would like to see a picture of the rifle. Joe.

	A blind squirrel runs into a tree every once in a while.
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SchwarzStock Frequent Elocutionist Offline Posts: 1309 Location: SchwarzWald Joined: Mar 23^rd, 2010	Re: Creedmoor barrel Reply #17 - Dec 20^th, 2011 at 4:48pm	Print Post
	I have considered setting the barrel back to allow a 45-70 chamber to be cut but the front sight dovetail has been dorked up and I will need to cut off about an inch to clean that up. I have driven a few 459 round balls through the barrel and it does not seem to be too bad just thinking if I am going to pay for that work I may as well put in a new tube. Again, this barrel looks to be a replacement. I'll see about a couple of photos. If you look in Marcot's book mine is just like the "B" grade pictured but with a full octagon barrel. SS

	If your rifle is not in 7.62 and you can't hit what you are aiming at with de-linked machinegun ammo you are a pretender.
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zrifleman Ex Member	Re: Creedmoor barrel Reply #18 - Dec 20^th, 2011 at 8:44pm	Print Post
	I talked to my friend today who owns one of three full octagon Creedmore rolling blocks. His gun is numbered between the Custer gun and the Fulton gun. It is the same as the Custer gun. Barrel dimensions are as follows----34" OAL, 1.006" at the breech, .885" at the muzzle, 44-77 calibre. Hope this is helpful.


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SchwarzStock Frequent Elocutionist Offline Posts: 1309 Location: SchwarzWald Joined: Mar 23^rd, 2010	Re: Creedmoor barrel Reply #19 - Dec 21^st, 2011 at 4:30pm	Print Post
	ZR, Great, ThXXX! Mine is 1.025 at the receiver and 0.775 at the muzzle. I will use my breech and your muzzle dimensions to order the barrel. SS

	If your rifle is not in 7.62 and you can't hit what you are aiming at with de-linked machinegun ammo you are a pretender.
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oneatatime Frequent Elocutionist Offline Posts: 4465 Location: Rocky Mountains Joined: Oct 30^th, 2011	Re: Creedmoor barrel Reply #20 - Dec 24^th, 2011 at 4:02pm	Print Post
	I had occasion today to measure 2 of them in 44-77. One was a presentation rifle selected by Fulton. Both were 32 inch, 1.08 at the breech and .80 at the muzzle with the octagonal section ending 12.75 from the breech face. I was told that the dimensions could vary slightly based on the need to bring them to just 10 pounds. They were both gorgeous (and for sale!). Oh to be rich......
	« Last Edit: Dec 24^th, 2011 at 4:11pm by oneatatime »

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SchwarzStock Frequent Elocutionist Offline Posts: 1309 Location: SchwarzWald Joined: Mar 23^rd, 2010	Re: Creedmoor barrel Reply #21 - Dec 28^th, 2011 at 9:32am	Print Post
	From what I have gathered the rifles were built with 34 inch barrels and once they were assembled the barrels were cut back a little at a time until the 10lb limit was reached. Makes sense since the barrel lengths vary a good bit (muzzles also). SS

	If your rifle is not in 7.62 and you can't hit what you are aiming at with de-linked machinegun ammo you are a pretender.
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rustyrelx Senior Forum Member Offline Posts: 474 Location: Wallace Idaho Joined: Oct 9^th, 2007	Re: Creedmoor barrel Reply #22 - Jan 2^nd, 2012 at 10:08pm	Print Post
	Interesting thread. Just saw it. When last I spoke with Mr Marcot there were 3 KNOWN long ranges on the rolling block pattern with octagon barrels. Mine being the third. It seems to appear there might be a fourth (friend of zrifleman) as there is one mentioned here in the thread. Has it been verified. Couple of years ago I posted a picture of mine here at ASSRA.. Don Serial number on mine is the highest at 5XXX.


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rustyrelx Senior Forum Member Offline Posts: 474 Location: Wallace Idaho Joined: Oct 9^th, 2007	Re: Creedmoor barrel Reply #23 - Jan 4^th, 2012 at 12:24pm	Print Post
	Its my understanding that the 34" barrel was so ALL the powder was burned. A course grade was in vogue for the larger calibers, so it took more barrel.


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boats Frequent Elocutionist Offline Posts: 7728 Location: Virginia Joined: Apr 23^rd, 2004	Re: Creedmoor barrel Reply #24 - Jan 4^th, 2012 at 1:12pm	Print Post
	Other thing on long is there was a strong belief that sight radius was important which it is. If they only had 10 lbs to work with most wanted it as long as the weight limit would allow. Short stiff barrels are a fairly new idea. Boats


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