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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Winchester bore and cast bullets leading
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<blockquote data-quote="Tac-O" data-source="post: 2193916" data-attributes="member: 109994"><p>I looked back at my notes and saw that I had the location of leading incorrect in my earlier post for this load:</p><p></p><p>I was using MBC buffalo#1, which is supposedly about 18bhn, 0.459, lubed with modified emmerts, with a duplex of 7gr 4227 and 65gr 2f OE. About an inch accuracy at 50 yards. 20 rounds shot. <s>Leading mostly in last 3-4" of muzzle, but not a ton.</s> The leading was very minor and in the <strong>throat</strong>. A bit in other spots, but very minor. Single cereal box was 0.025" thick, compressed ballpark 0.25".</p><p></p><p>So... Maybe if I knock that 7gr 4227 down to 3-4gr, I'll almost have it. </p><p></p><p></p><p>Dean, I know you say you have to have a hard bullet and be 0.003-0.004 (I think you said) over groove diameter to push it faster without leading... Can you get leading from being too much oversize? They didn't mention anything about that in the LASC info you posted. I like their site. Tons of information!!</p></blockquote><p></p>
[QUOTE="Tac-O, post: 2193916, member: 109994"] I looked back at my notes and saw that I had the location of leading incorrect in my earlier post for this load: I was using MBC buffalo#1, which is supposedly about 18bhn, 0.459, lubed with modified emmerts, with a duplex of 7gr 4227 and 65gr 2f OE. About an inch accuracy at 50 yards. 20 rounds shot. [S]Leading mostly in last 3-4" of muzzle, but not a ton.[/S] The leading was very minor and in the [B]throat[/B]. A bit in other spots, but very minor. Single cereal box was 0.025" thick, compressed ballpark 0.25". So... Maybe if I knock that 7gr 4227 down to 3-4gr, I'll almost have it. Dean, I know you say you have to have a hard bullet and be 0.003-0.004 (I think you said) over groove diameter to push it faster without leading... Can you get leading from being too much oversize? They didn't mention anything about that in the LASC info you posted. I like their site. Tons of information!! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Winchester bore and cast bullets leading
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