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Barrel life?

 
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Old 05-06-2003, 04:22 PM
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Join Date: May 2003
Posts: 12
Barrel life?

How many rounds can I fire of 7mm Magnum before my stainless steel barrel wears out, to the point of declining accuracy? The loads would be 160 gr. class at 3000 fps+, with 65-73 grs. powder. Would switching to a heavier bullet, like a 175 gr., when erosion makes shooting 160 gr. unfeasible, be best at some point?
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Old 05-06-2003, 07:23 PM
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Join Date: Mar 2003
Location: Schofield, WI.
Posts: 323
Re: Barrel life?

MMAM, You should be able to get 1000rounds or so if your lucky, before accuracy drops off, after 2000 rounds you'll drop about 200fps, a heavier bullet isn't going to make that much difference, if shooting Longrange try the 162 A-MAX or 168MK, probably the main thing is to not overheat the barrel. Damn the torpedoes...full speed ahead! [img]images/icons/grin.gif[/img] Jay.
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