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The Range
Rifle & Shotgun Discussion
Savage 110 build/barrel twist
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<blockquote data-quote="Master Carper" data-source="post: 3115539" data-attributes="member: 15527"><p>I would consider 25" to be the minumum barrel length for the 300 Winchester Magnum, and the longer the better!</p><p></p><p>A 1-10" twist rate will stabilize most bullets 180 to 210 grains in weight...</p><p></p><p>Since you will be headspacing the gun yourself, whatever brass you are using, cut off one of the cases about 1/4" in front of the belt, knock off any burrs around the cut off point, and you have an instant headspace gauge that will be far more accurate than any of those steel gauges that you can buy. You can also use shims made from feeler gauges, and set the headspace to your exact specifications! </p><p></p><p>I have use the above method for 35 years and we'll over a thousand custom built rifles later, it has never let me down a single time...</p></blockquote><p></p>
[QUOTE="Master Carper, post: 3115539, member: 15527"] I would consider 25" to be the minumum barrel length for the 300 Winchester Magnum, and the longer the better! A 1-10" twist rate will stabilize most bullets 180 to 210 grains in weight... Since you will be headspacing the gun yourself, whatever brass you are using, cut off one of the cases about 1/4" in front of the belt, knock off any burrs around the cut off point, and you have an instant headspace gauge that will be far more accurate than any of those steel gauges that you can buy. You can also use shims made from feeler gauges, and set the headspace to your exact specifications! I have use the above method for 35 years and we'll over a thousand custom built rifles later, it has never let me down a single time... [/QUOTE]
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