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Hunting
Long Range Hunting & Shooting
Can switching muzzle brakes change muzzle velocity??
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<blockquote data-quote="Timber338" data-source="post: 1229562" data-attributes="member: 33822"><p>So I recently had a new muzzle brake installed on my 338 RUM, and my muzzle velocity dropped about 47 FPS. </p><p></p><p>With the last brake I had this rifle/load dialed in. I'm using a Magnetospeed and have fully characterized this load several times across temperatures and it has always been very predictable. This morning I chrono'd at an exact temp that previous data was collected. Same brass (resized and annealed), same box/lot of bullets, same jug of gunpowder... The only thing that changed was the new brake. And I did verify that no length was removed from the barrel. </p><p></p><p>I used to have a 4-port brake and the new brake has 5-ports of a different design/manufacturer. the same load still shoots sub 1/4 moa with the new brake. </p><p></p><p>Anybody seen this before or is something else going on? What am I missing here??</p></blockquote><p></p>
[QUOTE="Timber338, post: 1229562, member: 33822"] So I recently had a new muzzle brake installed on my 338 RUM, and my muzzle velocity dropped about 47 FPS. With the last brake I had this rifle/load dialed in. I'm using a Magnetospeed and have fully characterized this load several times across temperatures and it has always been very predictable. This morning I chrono'd at an exact temp that previous data was collected. Same brass (resized and annealed), same box/lot of bullets, same jug of gunpowder... The only thing that changed was the new brake. And I did verify that no length was removed from the barrel. I used to have a 4-port brake and the new brake has 5-ports of a different design/manufacturer. the same load still shoots sub 1/4 moa with the new brake. Anybody seen this before or is something else going on? What am I missing here?? [/QUOTE]
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Can switching muzzle brakes change muzzle velocity??
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