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Win. 94 head space ?
idaho cowboy
Member Posts: 253 ✭✭✭
I have an original 1894 Winchester with 26" round barrel in 30 WCF. It was re barreled sometime in the past with a factory 94 Winchester barrel. It shows signs of some slight head space as the primer sticks out of the case slightly after firing. What is the fix for this? It seems to me that if one thread was turned off and then the barrel re chambered the dovetails for the magazine would no longer be correct. It is a nice rifle and I would really like to make it right. Thanks Steve
Comments
I'd be looking at the bolt, locking bolt and groves they ride in the receiver on.
I fixed my POS 94AE in 44 mag by welding on the back of the bolt and filing it down to fit. No more stinging hand from the lever.
http://saami.org/specifications_and_information/index.cfm
Select "rifle", locate 30-30 Winchester, than look at the headspace spec (rim clearance) on the chamber drawing.
Than measure the amount of primer protrusion and add that to the thickness of your cases rims.
If the rim+primer is less than the max chamber spec, than you're golden.
BTW, primer protrusion is normal in the 30-30 and other low pressure cartridges.
I have several dozen Winchester 1894s that were made starting from the first month of production through about 1930. Nearly all of those that are in .30 WRF caliber push the fired primers out a ways just as you describe. The odd thing is that none of those in the other calibers (38-55, 32 Special, etc.) do that, only those in .30 WCF. They all close up easily on the "GO", "NO GO", and "FIELD" head space gauges showing that indeed there is excess head space.
Thruthful, those are some rare Winchesters![:D]
Seriously, I second the motion that the primer protrusion is normal. Don't worry about it.
quote:Originally posted by truthful
I have several dozen Winchester 1894s that were made starting from the first month of production through about 1930. Nearly all of those that are in .30 WRF caliber push the fired primers out a ways just as you describe. The odd thing is that none of those in the other calibers (38-55, 32 Special, etc.) do that, only those in .30 WCF. They all close up easily on the "GO", "NO GO", and "FIELD" head space gauges showing that indeed there is excess head space.
Thruthful, those are some rare Winchesters![:D]
Seriously, I second the motion that the primer protrusion is normal. Don't worry about it.
I "C" what you mean[:D]
If you truly have a headspace problem, then you should be able to correct it by installing the appropriately-thick locking bolt, as shown, below:
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