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Rifles, Reloading, Optics, Equipment
Reloading
Minimum SeatingDepth 175SMK 300WinMag
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<blockquote data-quote="mmmooretx" data-source="post: 295980" data-attributes="member: 18736"><p>I was on the phone with one of the Sierra bullet technicians discussing their 180 gr. SMK. but they reccomended that I go to their 200 gr. Game King. In their research the 200 Gr. Game King likes to be 0.010 - 0.020 between the ogive/land engagement. I have been using the Hornaday OAL Gauge as each rifle's broach is slighetly different. Sunday I hopefully will be shooting the set that lets me know where my rifles sweet load is. Below is an excerpt from an email from Sierra. I advise you to call Sierra Tech line as they are incredably helpful.</p><p> </p><p>"<span style="font-size: 10px">If magazine length will allow doing so--normally would load hunting bullets .010 - .020 away from riflings WHILE holding bullet properly in neck; our tested oal for the 200's in .300 Winchester Magnum is: 3.340".</span></p><p> </p><p><span style="font-size: 10px">We worked up H1000 from 69 to 77.5 grains with good accuracy at max. Also worked with H4831SC from 64 to 68.5 max; might try that. Didn't use any Retumbo--Hodgdon lists the powder as compressed even for the flat based bullets they tested but reasonable velocity so could be usable."</span></p></blockquote><p></p>
[QUOTE="mmmooretx, post: 295980, member: 18736"] I was on the phone with one of the Sierra bullet technicians discussing their 180 gr. SMK. but they reccomended that I go to their 200 gr. Game King. In their research the 200 Gr. Game King likes to be 0.010 - 0.020 between the ogive/land engagement. I have been using the Hornaday OAL Gauge as each rifle's broach is slighetly different. Sunday I hopefully will be shooting the set that lets me know where my rifles sweet load is. Below is an excerpt from an email from Sierra. I advise you to call Sierra Tech line as they are incredably helpful. "[SIZE=2]If magazine length will allow doing so--normally would load hunting bullets .010 - .020 away from riflings WHILE holding bullet properly in neck; our tested oal for the 200's in .300 Winchester Magnum is: 3.340".[/SIZE] [SIZE=2] [/SIZE] [SIZE=2]We worked up H1000 from 69 to 77.5 grains with good accuracy at max. Also worked with H4831SC from 64 to 68.5 max; might try that. Didn't use any Retumbo--Hodgdon lists the powder as compressed even for the flat based bullets they tested but reasonable velocity so could be usable."[/SIZE] [FONT=Consolas][SIZE=3][/SIZE][/FONT] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Minimum SeatingDepth 175SMK 300WinMag
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