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Long Range Hunting & Shooting
Can switching muzzle brakes change muzzle velocity??
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<blockquote data-quote="Timber338" data-source="post: 1229716" data-attributes="member: 33822"><p>Something along these lines is definitely where my mind is heading, especially with how consistent this rifle has been over time, until this new brake. </p><p></p><p>I am pretty maticulous with my reloading procedures that I have a good amount of confidence it's not a stupid oversight on my part. Although the wrong primer idea from North Idaho was definitely a possibility with my 3 & 4 year old running around distracting me. Haha. </p><p></p><p>Just thinking out loud, here are the variables I have double checked:</p><p>Seating depth is the same verified again my my calipers/comparator block. </p><p>Powder charge was documented as the same and I use an RCBS charge-master. </p><p>Primers have now been verified. </p><p>Same lot of bullets/powder/primers</p><p>Annealed the case necks with the same procedure I've been using</p><p>FL resized with .002 interference (.364 bushing)</p><p>Redding wax inside case necks to seat bullet. </p><p>Temperature the same as the last time I chrono'd at 46 degF</p><p>Barrel had 5 shots through it since the last cleaning, I shot a fouling round last week and then a 4 shot group this morning, let the barrel cool, then chrono'd</p><p></p><p>am I mIssing anything that could be root cause? 47 FPS is not just a blip... It's gotta be caused by something, and it's driving me nuts not knowing. </p><p></p><p>Battery on the Magnetospeed seems OK, but maybe sormthing with that??</p></blockquote><p></p>
[QUOTE="Timber338, post: 1229716, member: 33822"] Something along these lines is definitely where my mind is heading, especially with how consistent this rifle has been over time, until this new brake. I am pretty maticulous with my reloading procedures that I have a good amount of confidence it's not a stupid oversight on my part. Although the wrong primer idea from North Idaho was definitely a possibility with my 3 & 4 year old running around distracting me. Haha. Just thinking out loud, here are the variables I have double checked: Seating depth is the same verified again my my calipers/comparator block. Powder charge was documented as the same and I use an RCBS charge-master. Primers have now been verified. Same lot of bullets/powder/primers Annealed the case necks with the same procedure I've been using FL resized with .002 interference (.364 bushing) Redding wax inside case necks to seat bullet. Temperature the same as the last time I chrono'd at 46 degF Barrel had 5 shots through it since the last cleaning, I shot a fouling round last week and then a 4 shot group this morning, let the barrel cool, then chrono'd am I mIssing anything that could be root cause? 47 FPS is not just a blip... It's gotta be caused by something, and it's driving me nuts not knowing. Battery on the Magnetospeed seems OK, but maybe sormthing with that?? [/QUOTE]
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Can switching muzzle brakes change muzzle velocity??
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