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Rifles, Reloading, Optics, Equipment
Reloading
Bullet jump vs throat erosion
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<blockquote data-quote="Okanogan" data-source="post: 1910229" data-attributes="member: 90397"><p>[USER=1521]@Mikecr[/USER] I'm a just a hunter/ retired engineer, I'm definitely not a competitive shooter or any anyone claiming to be an expert. I was just happy to go back to the range today with a reduced load of RL26 and get back to +/- 1/2 MOA with the velocities that my 2B contour seems to like for the 156EH.</p><p></p><p>I'm kind of thinking that the lack of other data regarding how throat erosion changes jump for different bullet profiles may mean that there isn't a lot of data out there among our community. I get that as I have kind of shifted to focusing on the 156 EH because I am primarily interested in hunting with a precision rifle, I get why would others track changes for a other bullets they may not be focusing on? I will continue to put more rounds through the barrel and see what happens while continuing to check the affect on other bullets. If other folks have some data to share, I'd be most interested as I continue to be surprised by my initial results.</p><p></p><p>One thing I seemed to have found reinforced with my current load development effort, it is pointless to load up a bunch of loads in advance while your barrel is still changing. I had been up to just over 59 gr of RL 26 earlier before the start of pressure signs to now back to just under 57 grains with 100 fps more than when I started. Day one started with 57.0 grains under the 156 EH in the low 2800s and today I shot 56.8 grains at 2920.</p></blockquote><p></p>
[QUOTE="Okanogan, post: 1910229, member: 90397"] [USER=1521]@Mikecr[/USER] I'm a just a hunter/ retired engineer, I'm definitely not a competitive shooter or any anyone claiming to be an expert. I was just happy to go back to the range today with a reduced load of RL26 and get back to +/- 1/2 MOA with the velocities that my 2B contour seems to like for the 156EH. I'm kind of thinking that the lack of other data regarding how throat erosion changes jump for different bullet profiles may mean that there isn't a lot of data out there among our community. I get that as I have kind of shifted to focusing on the 156 EH because I am primarily interested in hunting with a precision rifle, I get why would others track changes for a other bullets they may not be focusing on? I will continue to put more rounds through the barrel and see what happens while continuing to check the affect on other bullets. If other folks have some data to share, I'd be most interested as I continue to be surprised by my initial results. One thing I seemed to have found reinforced with my current load development effort, it is pointless to load up a bunch of loads in advance while your barrel is still changing. I had been up to just over 59 gr of RL 26 earlier before the start of pressure signs to now back to just under 57 grains with 100 fps more than when I started. Day one started with 57.0 grains under the 156 EH in the low 2800s and today I shot 56.8 grains at 2920. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Bullet jump vs throat erosion
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