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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hitting Right On With The First Shot And Barrel Preparation.
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<blockquote data-quote="Brent" data-source="post: 27000" data-attributes="member: 99"><p>I cleaned my gun, went shooting early this morning and it was the sickest thing yet. It took 9 rounds to settle in the **** barrel!! As Sam indicated, pressure is down on the first fouling shot(s), my normal load was about 3200 fps, it started at 3155 and stayed there for 4 rounds, it gradually climbed to 3200 after 8 rounds! The ninth was still loose too. It settled in perfectly on the last three groups, all well under .75 moa. The first three were a 9" spread! the third group was still over 2 moa at 200yds, then ZIP, right down below .75 right were she normally runs. That's what you get for changing the cleaning regime, I think I may have left a trace of JB in the bore still, as I rushed through the mop out with SC to get out the door. The low psi on the M43 definitely indicated the bore was not settled in yet.</p><p></p><p>I'm trying some Retumbo next time, the only other guy there had a Sendero in 300 Ultra too, he had some 180 Scirocco loads I let him shoot over the Oehler 43, they were smokin at 3457 fps average! Look out! I knew they were going to be hot loads from the 100.5gr he had wrote on them. I had my 178 A-Max's up to 99gr and they were at 3275, but they don't make quite the pressure the Scirrocos and others do either. He was able to lift the bolt open but, it was harder then hell when I lifted one, ejector marks were clearly prominent. They didn't shoot much better than 1.5 moa either.</p></blockquote><p></p>
[QUOTE="Brent, post: 27000, member: 99"] I cleaned my gun, went shooting early this morning and it was the sickest thing yet. It took 9 rounds to settle in the **** barrel!! As Sam indicated, pressure is down on the first fouling shot(s), my normal load was about 3200 fps, it started at 3155 and stayed there for 4 rounds, it gradually climbed to 3200 after 8 rounds! The ninth was still loose too. It settled in perfectly on the last three groups, all well under .75 moa. The first three were a 9" spread! the third group was still over 2 moa at 200yds, then ZIP, right down below .75 right were she normally runs. That's what you get for changing the cleaning regime, I think I may have left a trace of JB in the bore still, as I rushed through the mop out with SC to get out the door. The low psi on the M43 definitely indicated the bore was not settled in yet. I'm trying some Retumbo next time, the only other guy there had a Sendero in 300 Ultra too, he had some 180 Scirocco loads I let him shoot over the Oehler 43, they were smokin at 3457 fps average! Look out! I knew they were going to be hot loads from the 100.5gr he had wrote on them. I had my 178 A-Max's up to 99gr and they were at 3275, but they don't make quite the pressure the Scirrocos and others do either. He was able to lift the bolt open but, it was harder then hell when I lifted one, ejector marks were clearly prominent. They didn't shoot much better than 1.5 moa either. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Hitting Right On With The First Shot And Barrel Preparation.
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