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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New 338 NM Build and Load Work Up Advice
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<blockquote data-quote="436" data-source="post: 1689658" data-attributes="member: 16609"><p>JW74,</p><p>You might want to go right to the neck size only first, just bump the shoulder enough so that the cartridge has just a slight press fit on the bolt going into battery then you'll know that it's dimensionally correct with your chamber and headspace. Back off a touch more on your bullet jump to start with. I would still have a smith run a field gauge in it as well. I also use an RCBS Chargemaster and I use the Ohause 311-00 Cent-O-Gram overhead mechanical balance, 311g X 0.01 to check it periodically, you might take your Chargemaster scaling part off then hold it upside down and blow, <u>"very softly"</u> a little air over the port that the balance pan goes into just in case you have a few flakes or grains in it near the balance mechanism, I've only had to do that once because of some small faulty readings off and on, it works'.., it has thrown charges spot on every since. Cheer's</p></blockquote><p></p>
[QUOTE="436, post: 1689658, member: 16609"] JW74, You might want to go right to the neck size only first, just bump the shoulder enough so that the cartridge has just a slight press fit on the bolt going into battery then you'll know that it's dimensionally correct with your chamber and headspace. Back off a touch more on your bullet jump to start with. I would still have a smith run a field gauge in it as well. I also use an RCBS Chargemaster and I use the Ohause 311-00 Cent-O-Gram overhead mechanical balance, 311g X 0.01 to check it periodically, you might take your Chargemaster scaling part off then hold it upside down and blow, [U]"very softly"[/U] a little air over the port that the balance pan goes into just in case you have a few flakes or grains in it near the balance mechanism, I've only had to do that once because of some small faulty readings off and on, it works'.., it has thrown charges spot on every since. Cheer's [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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New 338 NM Build and Load Work Up Advice
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