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300 winmag help

 
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  #8  
Old 04-02-2004, 10:16 AM
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Join Date: Jul 2003
Location: Ca
Posts: 101
Re: 300 winmag help

The 300 Win mag shooting 190 gr Matchkings at 2900-2950 has been a winning combo for many years.To get your best accuracy you need to find your sweetspots and tune from there.Load each round 0.6 grains more than the previous round and load enough rounds to cover the entire powder charge range.Go to 200 or 300 yards and place a target up backwards so its all white.Place a small aiming point in the middle of your target and carefully shoot all your shots while watching the chronograph and keeping track of each hit.What you will see on the target is each shot going up the target then several shots all close together,this is your node or sweetspot.Your chronograph will show the velocity the same way,it will be going up then several will be close together.If you get two clusters go to the highest cluster and starting at the middle shoot 5 shot groups.What you will see is that best accuracy is generally on the upper half of the cluster.If your 4 shots in the cluster were 74,74.6,75.2,75.8 start at about 75 grains and go up slowly shooting groups,when best accuracy is achieved vary your seating depth and shoot groups again.
Lynn
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  #9  
Old 04-02-2004, 11:04 AM
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Join Date: Mar 2004
Location: Detroit, MI USA
Posts: 83
Re: 300 winmag help

Canadian Buck has a 1:11" twist so I beleive he may be better staying in the 150-165 grain bullet class if he wants accuracy.

Ronnie
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  #10  
Old 04-03-2004, 12:11 AM
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Re: 300 winmag help

Ditto to what SeniorSendero said.
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  #11  
Old 04-03-2004, 12:24 AM
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Join Date: Mar 2004
Location: interior BC
Posts: 4
Re: 300 winmag help

thanks for the info guys.I will be loading the hornady 165BTSP next and go from there.
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  #12  
Old 04-07-2004, 06:32 PM
 
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Re: 300 winmag help

This three shot group shot at 100 yards measures .221" and was shot with Berger 210 VLD's moving at 2814 fps. The charge was 68 grains of IMR 4831 loaded into Remington Brass with Federal 215 primers. The barrel was a Shilen SS 1:10" twist connected to a Remington Model 700 action. I was pretty happy with this group until "Froggy" (Sniperís hide Forum) split that group size in half shooting his Accuracy International .308. In any regard, there are .300 WM's out there that do shoot better than this!
Target
Oh and by the way, a new 1000 yard world record was set by "Bill Schrader" who shot a Five shot group that measured 1.473" using Berger's 210 VLD's.

[ 04-07-2004: Message edited by: W ]

[ 04-07-2004: Message edited by: W ]

[ 04-07-2004: Message edited by: W ]
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  #13  
Old 04-07-2004, 07:36 PM
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Join Date: Apr 2003
Location: North Carolina
Posts: 528
Re: 300 winmag help

My Sako 75 .300 Win mag, will shoot up to 200gr. bullets OK. Better if you stay at or under 180gr.
1:11 twist barrel as well...sakofan...
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  #14  
Old 04-07-2004, 09:29 PM
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Join Date: Jul 2003
Location: Ca
Posts: 101
Re: 300 winmag help

Senior Sendero and Brown Dog the 11 twist barrel will handle 200 gr bullets without any problems.My 11 twist barrel shoots 216 Clinch River bullets without any problems at all.
Lynn
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