6.5x55 factory loads info required

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dhtaxi
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6.5x55 factory loads info required

Postby dhtaxi » Fri Dec 20, 2013 6:52 pm

Hi guys I need some help I need cartridge overall length measurements of factory ammo in 6.5x55 for 120grain, 139grain and 140grain bullets please. can any body help.
I asked the question on a UK shooters forum but it looks like nobody in the UK shoots 6.5x55 except for one guy that answered. Strange considering the forum is full of dealers you would of thought that at least one of them would have had a box of 6.5x55 on the shelf.
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Re: 6.5x55 factory loads info required

Postby joseyclosey » Sat Dec 21, 2013 1:45 pm

Just useing cast in my newly acquired M96 Dave. Sorry can't help.

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Re: 6.5x55 factory loads info required

Postby PeterN2 » Sat Dec 21, 2013 4:23 pm

I have a few FNM 143 grain FMJ factory cartidges and they measure 3.064 from the base to the bullet tip. I would expect the length to vary slightly between different manufactures and bullets, as bullets of the same weight are likely to vary in length slightly depending on design and how deep they are seated. Personally, I go by what the reloading manual says regarding over all length for the load I am using. The 46th edition Lyman manual gives a maximum over all length for 6.5x55 of 3.062 so the FNM are about there.
I am not a good enough shot to worry about seating bullets to the nearest thousands of an inch to shoot through a 95 year old barrel using the issue iron sights with sixty plus year old eyes. If it is a safe load and produces reasonable accuracy, it will do for me. I use a 139/140 grain bullet pushed out of the barrel by 44 to 45 grains of Reloader 19. I usually seat the bullet so I have length of 3 inches or just over. That works for me, but check your reloading manual and use published data. I managed to come in second place in the Classic Service Rifle mad minute at the Trafalgar Meeting this year using this load. Getting shots off quickly and well aimed counts for more in that game than wether your bullet is seated a thou too shallow or too deep.
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Re: 6.5x55 factory loads info required

Postby joseyclosey » Sat Dec 21, 2013 4:51 pm

Dave, if it helps the original M94 156g skarp patron was 80mm and the later spitzer, 139g M94 projektil M41 round measured 78mm.

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Re: 6.5x55 factory loads info required

Postby dhtaxi » Sat Dec 21, 2013 7:42 pm

My problem is I have recently purchased a rifle in 6.5x55 its a TIKKA m55 action fitted with a shilen match barrel. I am having a twat of a job building a round for it. It will not chamber factory rounds they jam in the chamber. I am trying to work it out but unless I go out and buy boxes of each manufactures ammo and measure them my self which will cost me a arm and a leg I thought the natural thing to do would ask on a shooters forum for peoples help.
Up to now I have had no replies on the UK forum except for one guy which was helpful then another clown who's English was so bad I have no idea what he is talking about.
Thanks for the replies but what I need is cartridge overall length measurements of factory rounds. I have shelves full of books with reloading data.
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Re: 6.5x55 factory loads info required

Postby Niner » Sat Dec 21, 2013 8:07 pm

That's the one cartridge I don't have. Wonder how I missed that caliber? Did find this string that mentions some overall lengths. See if any of this conversation gives you any ideas.

http://www.thehighroad.org/archive/inde ... 96514.html
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Re: 6.5x55 factory loads info required

Postby dhtaxi » Sun Dec 22, 2013 11:35 am

Ok I think I have a starting point but my loads are all shorter than the cartridge over all length people are quoting. I am wondering if it has been built with a tight chamber. Milsurps are a lot less chew to reload for it better be worth the effort when I actually get it shooting. :(
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Re: 6.5x55 factory loads info required

Postby PeterN2 » Sun Dec 22, 2013 11:51 am

If it is a standard 6.5x55 chamber, it should take any standard factory round from any manufacturer. So, if factory rounds won't chamber, it is not a standard chamber. What does the proof mark stamp say the cartridge is? You should take a chamber cast, but I seem to remember you had a unhappy experience last time you tried.
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Re: 6.5x55 factory loads info required

Postby Niner » Sun Dec 22, 2013 12:14 pm

You didn't get that rifle from France did you? Ask Duncan about how the French require changes in military calibers to keep the local population from having military guns in their original caliber. It frightens them in some way if old rifles aren't modified. His Enfield is no longer .303 but has been reconfigured to some round that has an overall shorter COL.
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Re: 6.5x55 factory loads info required

Postby dhtaxi » Sun Dec 22, 2013 2:42 pm

Right I have done some research taken lots of measurements built more dummy rounds than you can shake a stick at.
The results are in.
In my opinion and until I can purchase some it remains to be seen this rifle will not chamber a factory round. A guy on another forum measured some PPU factory ammo and the average length was 2.972.
Peter has stated that FMJ came out at 3.064
I loaded up 20 blank rounds of Hornady 120grain A max bullets I started long and kept on seating in small increments until the round would chamber with out jamming and needing a rubber mallet to open the bolt.
The maximum over all length it will chamber is 2.859 with out jamming in the rifling.
I did the same with some sellier and belliot 140grain bullets the maximum length it will chamber with out jamming is 2.915.
I wondered why the A max was shorter because its a sharper pointed bullet the reason turned out to be the bullet diameter.
The A max is .263 wich is correct for the calibre. The sellior and belliot is .2610 wich is a tad small for a 6.5x55.
So either the rifle has a tight chamber or it has not been built to sammi regulations. I need to get my hands on some factory ammo and check it out.

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