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I bought a used Win Model 70 Safari Express in 375 H&H from Gander Mt. about a month ago. It has been piller bedded and the front recoil lug removed. It shoot good, but usually has one flyer in a 3 rd group. Anyway tonight I wanted to neck size the brass and found that the fired cases from that rifle would not re-chamber. It looks like the fired brass has seven linear high spots that run the length of the case head to shoulder, around the case. If I force the brass into the chamber and force it back out again, I can see the seven rubbed lines on the case, also when I full lenght resize, the die is resizing the high spots. I can also feel the high spot by rotating the brass in my fingers. What would cause the chamber to have seven streight (I think) lengthwise grooves in it? They are spaced about 0.25" apart. I'm taking it back, but wondering what happened to this chamber and how it will be fixed; Re-barreled? Anyone know what the heck happened here? | ||
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one of us |
So that is an example of what reamer chatter can do, eh? Diagnosis by Bill Leeper on the gunsmithing forum. | |||
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