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Rifles, Reloading, Optics, Equipment
Gunsmithing
Rough Throat?
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<blockquote data-quote="Tumbleweed" data-source="post: 610254" data-attributes="member: 9281"><p>Well I was able to shoot a 3 shot group Sunday afternoon at 300 yards with my original 210VLD load. I shot it over the chrono and got an average of 3119fps with 7ES and 4SD. The group measured 1.15". I also shot 5 of the 210's in new unfired brass and those averaged 3040fps with around 22ES. They were just as accurate but I was surprised at home much slower the new unfired brass was from the full length sized once fired brass. This explains why my velocities had been low and an absence of pressure signs on the case as I was working on firing the new batch of brass for the first time. I always knew that there would be a difference in velocities between unfired and fireformed brass, just didn't know it could be 80fps. I now believe that my inconsistent irratic accuracy problems had been caused by a barrel that was copper fouled, that problem has been resolved. Rough throat yes, still accurate though!</p></blockquote><p></p>
[QUOTE="Tumbleweed, post: 610254, member: 9281"] Well I was able to shoot a 3 shot group Sunday afternoon at 300 yards with my original 210VLD load. I shot it over the chrono and got an average of 3119fps with 7ES and 4SD. The group measured 1.15". I also shot 5 of the 210's in new unfired brass and those averaged 3040fps with around 22ES. They were just as accurate but I was surprised at home much slower the new unfired brass was from the full length sized once fired brass. This explains why my velocities had been low and an absence of pressure signs on the case as I was working on firing the new batch of brass for the first time. I always knew that there would be a difference in velocities between unfired and fireformed brass, just didn't know it could be 80fps. I now believe that my inconsistent irratic accuracy problems had been caused by a barrel that was copper fouled, that problem has been resolved. Rough throat yes, still accurate though! [/QUOTE]
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Rough Throat?
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