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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Why do some barrels create higher velocity than others
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<blockquote data-quote="Methow Packer" data-source="post: 1519016" data-attributes="member: 67515"><p>Sorry I posted this in a wrong spot. I have Brux barrels on three of my precision rifles. Each one produces higher velocity than what they should based on loading tables. Example is my 270WSM with 140Bergers. Using Re 26 @ 63 grains I'm getting 3155 fps ( Lab Radar). That's 3+ grain less than Alliant states is max charge. At 63 grains is a max charge in my rifle. ( slight bolt lift ). Similar results with my 243Win using 105 Bergers. Re 23 @ 42.0 for 3108 fps. Again more than 3 grains less than max stated but max in my rifle. That's high velocity for a 243 and 105 grain bullets. So is this typical for these Brux barrels? Is it their groove/ land design. boar dimension? Any thoughts? Not complaining. They're all .5 or better MOA rifles without going to a max charge. I haven't ruled out these RE23 and Re 26 powders.</p></blockquote><p></p>
[QUOTE="Methow Packer, post: 1519016, member: 67515"] Sorry I posted this in a wrong spot. I have Brux barrels on three of my precision rifles. Each one produces higher velocity than what they should based on loading tables. Example is my 270WSM with 140Bergers. Using Re 26 @ 63 grains I'm getting 3155 fps ( Lab Radar). That's 3+ grain less than Alliant states is max charge. At 63 grains is a max charge in my rifle. ( slight bolt lift ). Similar results with my 243Win using 105 Bergers. Re 23 @ 42.0 for 3108 fps. Again more than 3 grains less than max stated but max in my rifle. That's high velocity for a 243 and 105 grain bullets. So is this typical for these Brux barrels? Is it their groove/ land design. boar dimension? Any thoughts? Not complaining. They're all .5 or better MOA rifles without going to a max charge. I haven't ruled out these RE23 and Re 26 powders. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Why do some barrels create higher velocity than others
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