Determining the Caliber of a Rifle?
I bought, at a very attractive price, a rifle built on a Springfield 03 action. It has been rebarreled to what looks like a .25 caliber barrel. There are no markings anywhere on the gun indicating what caliber it is chambered in. I am thinking 25-06 since it uses a 30-06 case. At least that is my best guess. 22 caliber bullets are too small and 270 bullets are too large. I don't have anything in 24 or 25 caliber to try. I did cut the end off of a 30-06 case and it would chamber. Any ideas? Someone put a lot of work into this rifle. It is very well crafted. It should make a fine sporter, once I figure out what caliber it shoots.
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