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Rifles, Reloading, Optics, Equipment
Reloading
260 rem coal
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<blockquote data-quote="Yaddio" data-source="post: 790215" data-attributes="member: 38213"><p>RAKATAK,</p><p> I agree with Sully2. My measurements for COAL on my Rem 700 using 142 MatchKing is 2.873, so you're in the ball park when compared to my rifle. When I measure COAL with a 120 Pro Hunter, the COAL is much lower due to the differences in bullet construction. BTW, the 142 matchking won't fit in my magazine, but this is OK since I load them one at a time for F-Class matches.</p><p> </p><p> More important to me is CBTO, or Cartridge Base To Ogive. This measures the base of the cartridge to where the bullets contacts the rifling. I've enclosed a picture of my set up using a Stoney PT. gauge, now called the Hornady lock and load. Since you said you're new to reloading I suggest you buy one of these tools as part of your basic kit. You'll never regret it.</p><p> </p><p> I too have measured like you did, (by splitting the case). I've done this by pinching the case mouth a little, then slowly chambering the cartridge. This gets you pretty close to the actual measurement, but some bullets will pull out slightly.</p><p> </p><p> Interesting to me is that different type bullets measures slightly different CBTO. For example, my 120 Pro Hunter measure 2.290 CBTO and my 142 MK measures 2.285 CBTO.</p><p> I've loaded these 142 MKs 8 thousand off the lands.</p><p> </p><p> Good luck and happy reloading.</p></blockquote><p></p>
[QUOTE="Yaddio, post: 790215, member: 38213"] RAKATAK, I agree with Sully2. My measurements for COAL on my Rem 700 using 142 MatchKing is 2.873, so you're in the ball park when compared to my rifle. When I measure COAL with a 120 Pro Hunter, the COAL is much lower due to the differences in bullet construction. BTW, the 142 matchking won't fit in my magazine, but this is OK since I load them one at a time for F-Class matches. More important to me is CBTO, or Cartridge Base To Ogive. This measures the base of the cartridge to where the bullets contacts the rifling. I've enclosed a picture of my set up using a Stoney PT. gauge, now called the Hornady lock and load. Since you said you're new to reloading I suggest you buy one of these tools as part of your basic kit. You'll never regret it. I too have measured like you did, (by splitting the case). I've done this by pinching the case mouth a little, then slowly chambering the cartridge. This gets you pretty close to the actual measurement, but some bullets will pull out slightly. Interesting to me is that different type bullets measures slightly different CBTO. For example, my 120 Pro Hunter measure 2.290 CBTO and my 142 MK measures 2.285 CBTO. I've loaded these 142 MKs 8 thousand off the lands. Good luck and happy reloading. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
260 rem coal
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