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Rifles, Reloading, Optics, Equipment
Reloading
Accuracy loads for custom 300 win mag w/180 & 190 gr MK
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<blockquote data-quote="Sunny" data-source="post: 87968" data-attributes="member: 4926"><p>My wife of 30 years has been my accomplished big game hunting partner &amp; really snapped me off with a custom 300 win mag for our 30th wedding anniversary! What a Gal!!! I would deeply appreciate your pet-load, accuracy based reloading information for this type of rifle. I am still breaking in the 26" Krieger fluted match grade barrel in #5 contour, which is set on a Winchester Mod. 70 BDL post-war action that was trued &amp; lapped. The Monte Carlo stock is pillar bedded &amp; the trigger has been reworked to break at a crisp 2lbs w/o any creep, which is truly outstanding. I am currently using up my stock of old reloads that didn't shoot very accurately in my other 300's, however, I am very impressed with the sub moa groups these "old" various loads are now consistently producing in this rifle &amp; am anxious to make-up some real accurate target &amp; hunting loads, which are known to work in premium match grade barrels for the 300 win mag using the sierra match king and game king bullets in 180 &amp; 190 gr. My Krieger barrel has a 1 in 11 twist, which I believe should be ideal for both "hunting &amp; competition style bullets" in this 180 &amp; 190 grain range. I am new to this site but not new to reloading... From my past experiences with my other rifles, these Sierra MK's usually prefer to be seated .010 off the lands, where as the Berger VLD's demonstrated the best results touching the lands. I have experienced temperature related problems in my other rifles with the IMR &amp; RL powders, whereby my chrony identifies quite substantial fps variances that is also recognized in group size variances. Accordingly, I am considering using H4350 or H4831 powders to correct this problem. In closing, I only use Federal Match Grade primers, however, I just can't seem to justfy the cost of Lapua brass... I use WW or RP brass, which I separate accordingly. Kindly advise &amp; I thank you in advance.</p></blockquote><p></p>
[QUOTE="Sunny, post: 87968, member: 4926"] My wife of 30 years has been my accomplished big game hunting partner & really snapped me off with a custom 300 win mag for our 30th wedding anniversary! What a Gal!!! I would deeply appreciate your pet-load, accuracy based reloading information for this type of rifle. I am still breaking in the 26" Krieger fluted match grade barrel in #5 contour, which is set on a Winchester Mod. 70 BDL post-war action that was trued & lapped. The Monte Carlo stock is pillar bedded & the trigger has been reworked to break at a crisp 2lbs w/o any creep, which is truly outstanding. I am currently using up my stock of old reloads that didn't shoot very accurately in my other 300's, however, I am very impressed with the sub moa groups these "old" various loads are now consistently producing in this rifle & am anxious to make-up some real accurate target & hunting loads, which are known to work in premium match grade barrels for the 300 win mag using the sierra match king and game king bullets in 180 & 190 gr. My Krieger barrel has a 1 in 11 twist, which I believe should be ideal for both "hunting & competition style bullets" in this 180 & 190 grain range. I am new to this site but not new to reloading... From my past experiences with my other rifles, these Sierra MK's usually prefer to be seated .010 off the lands, where as the Berger VLD's demonstrated the best results touching the lands. I have experienced temperature related problems in my other rifles with the IMR & RL powders, whereby my chrony identifies quite substantial fps variances that is also recognized in group size variances. Accordingly, I am considering using H4350 or H4831 powders to correct this problem. In closing, I only use Federal Match Grade primers, however, I just can't seem to justfy the cost of Lapua brass... I use WW or RP brass, which I separate accordingly. Kindly advise & I thank you in advance. [/QUOTE]
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Reloading
Accuracy loads for custom 300 win mag w/180 & 190 gr MK
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