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Rifles, Reloading, Optics, Equipment
Gunsmithing
Custom Rifle accuracy expectations??
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<blockquote data-quote="SBruce" data-source="post: 555147" data-attributes="member: 21068"><p>Thanks Tarey, I haven't got to read completely through both links yet, but I will.</p><p> </p><p>Reading this post somewhat takes me back in time to how I USED TO develop loads for factory rifles. It worked great for me back in the mid 90's. I would test one bullet at most powder charges, working up to max (seated out to the lands or .010 shy) and if that bullet didn't shoot, I'd try another with same powder. If after trying 3 or more bullets and no avail, I'd change powders and repeat. Once I found the best possible load (bullet and powder combination) I'd vary seating depth and fine tune. Then, finally I'd chronograph just for an average velocity and <strong>hope</strong> it had a low ES...........usually, <u>alot</u> of rounds later I'd have a pet load that would shoot absolutely great. Again, alot of rounds later.</p><p> </p><p>I'd still do this method if I had time and favorable winds to do a ton of load testing, which I don't unfortunately. This leads me back to the whole purpose of buying a full blown custom.......I simply don't have the time to shoot 200-300 rounds plus break in to develop a load that will shoot sub 1/2 minute, so far as I understand, custom rifles and barrels <u>dont require that usually</u>.? They should shoot just about any decent bullet well.........well, at least that's been my understanding<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /></p><p> </p><p>I wish I had the time to develop loads like I used to, would of saved me a ton of money, I could have 2 factory or Semi Customs for the money I've got in this <u>one</u> particular rifle.</p><p> </p><p>The main "problem child" is a 300 WSM, so far shooting 180 grn bullets in a 10 twist Lilja. 3000'/sec is obtainable without excessive bolt lift, and that was my target velocity. I tried 69 grns H4831 SC behind 178 A-Max at 3 seating depths. Also tried 68 grns of R-22 behind the 180 Nosler BT with 3 seating depths. Also tried 2 brands of premium factory ammo with 180 Accubond and 180 Ballistic Silvertips.......Nothing was under 1 moa for 3-5 shots at 200 yds.</p><p>I'd try 300 yd testing (that's usually where I try load development at) but this gun is shooting groups big enough that 300 is a waste, I'm afraid <u>some</u> shots wouldn't even hit paper at 300!</p><p> </p><p><u>Thanks again for the reply</u>, and perhaps I do need to go back to the "tried and true" method of load development.? But if that's what's needed, I'll be selling some rifles. I simply dont have the time to shoot, load and analyze 300 rounds through each barrel before it's ready to use. If I did, I'd have bought factory rifles. Instead, I've got 4 customs and 2 are problems......... Even the two that I have no accuracy complaints on, still need a little work to get that magical "1/4 minute or less" that I eventually want.</p></blockquote><p></p>
[QUOTE="SBruce, post: 555147, member: 21068"] Thanks Tarey, I haven't got to read completely through both links yet, but I will. Reading this post somewhat takes me back in time to how I USED TO develop loads for factory rifles. It worked great for me back in the mid 90's. I would test one bullet at most powder charges, working up to max (seated out to the lands or .010 shy) and if that bullet didn't shoot, I'd try another with same powder. If after trying 3 or more bullets and no avail, I'd change powders and repeat. Once I found the best possible load (bullet and powder combination) I'd vary seating depth and fine tune. Then, finally I'd chronograph just for an average velocity and [B]hope[/B] it had a low ES...........usually, [U]alot[/U] of rounds later I'd have a pet load that would shoot absolutely great. Again, alot of rounds later. I'd still do this method if I had time and favorable winds to do a ton of load testing, which I don't unfortunately. This leads me back to the whole purpose of buying a full blown custom.......I simply don't have the time to shoot 200-300 rounds plus break in to develop a load that will shoot sub 1/2 minute, so far as I understand, custom rifles and barrels [U]dont require that usually[/U].? They should shoot just about any decent bullet well.........well, at least that's been my understanding:rolleyes: I wish I had the time to develop loads like I used to, would of saved me a ton of money, I could have 2 factory or Semi Customs for the money I've got in this [U]one[/U] particular rifle. The main "problem child" is a 300 WSM, so far shooting 180 grn bullets in a 10 twist Lilja. 3000'/sec is obtainable without excessive bolt lift, and that was my target velocity. I tried 69 grns H4831 SC behind 178 A-Max at 3 seating depths. Also tried 68 grns of R-22 behind the 180 Nosler BT with 3 seating depths. Also tried 2 brands of premium factory ammo with 180 Accubond and 180 Ballistic Silvertips.......Nothing was under 1 moa for 3-5 shots at 200 yds. I'd try 300 yd testing (that's usually where I try load development at) but this gun is shooting groups big enough that 300 is a waste, I'm afraid [U]some[/U] shots wouldn't even hit paper at 300! [U]Thanks again for the reply[/U], and perhaps I do need to go back to the "tried and true" method of load development.? But if that's what's needed, I'll be selling some rifles. I simply dont have the time to shoot, load and analyze 300 rounds through each barrel before it's ready to use. If I did, I'd have bought factory rifles. Instead, I've got 4 customs and 2 are problems......... Even the two that I have no accuracy complaints on, still need a little work to get that magical "1/4 minute or less" that I eventually want. [/QUOTE]
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