.30-06/.270

Reforming .30-06 Brass to .270


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Q: I just sold my Marlin XL7 .30-06 and 
replaced it with the same rifle in .270
Winchester. I have on hand over 200
once-fired .30- 06 cases. Is it harmful
to neck down .30-06 brass for use in my
new .270? Is the shorter case length
likely to cause increased erosion in the
chamber throat?
Vincent ForemanA: No harm will result from this practice.
Back in my roo shooting days during the
1960s I used to neck-down .30-06 cases
for use in my .270 all the time. In fact, I
wore out several barrels with them, one
lasting over 5000 rounds. During this time
I was never able to determine any ill effects
caused by the use of reformed .30-06
cases in the .270 chamber. Actually, the
.270 case is only 1mm longer and the '06
case could grow that much after being
necked-down.

 


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Nick Harvey

Nick Harvey is one of the world's most experienced and knowledgeable gun writers, a true legend of the business. He has been writing about firearms and hunting for more than 65 years, has published many books and uncounted articles, and has travelled the world to hunt and shoot. His reloading manuals are highly sought after, and his knowledge of the subject is unmatched. He has been Sporting Shooter's Gun Editor for longer than anyone can remember. Nick lives in rural NSW, Australia.

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