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Hunting
Long Range Hunting & Shooting
Blocked bolt with reloaded ammo
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<blockquote data-quote="Frog4aday" data-source="post: 1616526" data-attributes="member: 9308"><p>It sounds like you did your due diligence, but your gun is telling you it isn't happy with the load being used. Heavy/hard bolt lift is a 'sign'. You know it, too, which is why you are asking. As others have pointed out, your load MIGHT be okay in thinner/lighter brass (with more INTERNAL volume), but the PPU brass seems to be thicker and heavier (akin to 'military brass') which normally requires a 5% reduction in charge to maintain safe pressure levels.</p><p></p><p>Also, the data you are using isn't showing the bullet you are using, so you are extrapolating (which we've all done at some point) and that's fine if your gun wasn't "complaining", telling you it isn't fine. And without a chronograph, you really are 'guessing' at things right up until your bolt no longer wants to open. And that's over-pressure. Bad for you. Bad for the gun. Bad for the people shooting next to you at the gun range.</p><p></p><p>You can get a good chronograph for $99.08 on Amazon (google: Competition Electronics 538002-SSI ProChrono Digital Chronograph)</p><p></p><p>For those that are curious, here is the load data from the powder manufacturer:</p><p>[ATTACH=full]130544[/ATTACH]</p></blockquote><p></p>
[QUOTE="Frog4aday, post: 1616526, member: 9308"] It sounds like you did your due diligence, but your gun is telling you it isn't happy with the load being used. Heavy/hard bolt lift is a 'sign'. You know it, too, which is why you are asking. As others have pointed out, your load MIGHT be okay in thinner/lighter brass (with more INTERNAL volume), but the PPU brass seems to be thicker and heavier (akin to 'military brass') which normally requires a 5% reduction in charge to maintain safe pressure levels. Also, the data you are using isn't showing the bullet you are using, so you are extrapolating (which we've all done at some point) and that's fine if your gun wasn't "complaining", telling you it isn't fine. And without a chronograph, you really are 'guessing' at things right up until your bolt no longer wants to open. And that's over-pressure. Bad for you. Bad for the gun. Bad for the people shooting next to you at the gun range. You can get a good chronograph for $99.08 on Amazon (google: Competition Electronics 538002-SSI ProChrono Digital Chronograph) For those that are curious, here is the load data from the powder manufacturer: [ATTACH=full]130544[/ATTACH] [/QUOTE]
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Blocked bolt with reloaded ammo
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