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Rifles, Reloading, Optics, Equipment
Reloading
Once fired vs new brass...?
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<blockquote data-quote="RT2506" data-source="post: 1833228" data-attributes="member: 10178"><p>In 40 years of hand loading I have experienced a wide difference in how the same load will shoot out of new verses fired before cases. On the other hand I have also experienced little to no difference between new and previously fired cases. It all depends on the rifle, caliber and load. You will never know until you give it a try in YOUR rifle.</p><p></p><p>I once had a new Rem. 700 7 Rem mag. Using 100 new Rem. cases no matter what load or bullet it tried the rifle would not shoot 3 shots under 2 inches. I was about ready to send the rifle down the road. Decided to give the best load a try with previously fired cases just part sized with a FL size die. "Neck size with a FL die". Found that no matter the bullet used you could just about fill up a case with Accurate 3100 and it would shoot bug holes as long as it was with a previously fired case just part sized.</p><p></p><p> Here is another example that has blown my mind. In dealing with two wildcats, 25-06AI & 30-30AI the fire forming loads shot just as tight at 100 yards and to the same point of impact as did the final load work up.</p><p></p><p>As to different lot numbers of cases. I would just weight short them for a narrow tolerance. You will have a few cases in the same lot that will very quite a bit sometimes. </p><p></p><p>I personally always do load work ups using previously fired cases. I will purchase 50 to 100 new cases depending on the rifle and it's intended usage and fire them doing a break in of the rifle and just to sharpen my shooting form. The load that I use for this will most often come from what the suggested accuracy load is that comes from the Sierra manual which I have found more often than not is spot on.</p></blockquote><p></p>
[QUOTE="RT2506, post: 1833228, member: 10178"] In 40 years of hand loading I have experienced a wide difference in how the same load will shoot out of new verses fired before cases. On the other hand I have also experienced little to no difference between new and previously fired cases. It all depends on the rifle, caliber and load. You will never know until you give it a try in YOUR rifle. I once had a new Rem. 700 7 Rem mag. Using 100 new Rem. cases no matter what load or bullet it tried the rifle would not shoot 3 shots under 2 inches. I was about ready to send the rifle down the road. Decided to give the best load a try with previously fired cases just part sized with a FL size die. "Neck size with a FL die". Found that no matter the bullet used you could just about fill up a case with Accurate 3100 and it would shoot bug holes as long as it was with a previously fired case just part sized. Here is another example that has blown my mind. In dealing with two wildcats, 25-06AI & 30-30AI the fire forming loads shot just as tight at 100 yards and to the same point of impact as did the final load work up. As to different lot numbers of cases. I would just weight short them for a narrow tolerance. You will have a few cases in the same lot that will very quite a bit sometimes. I personally always do load work ups using previously fired cases. I will purchase 50 to 100 new cases depending on the rifle and it's intended usage and fire them doing a break in of the rifle and just to sharpen my shooting form. The load that I use for this will most often come from what the suggested accuracy load is that comes from the Sierra manual which I have found more often than not is spot on. [/QUOTE]
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Reloading
Once fired vs new brass...?
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