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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Miss : high to the left?
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<blockquote data-quote="davkrat" data-source="post: 1085740" data-attributes="member: 6452"><p>Sort of. I round robined them with the other load. So the sequence was:</p><p></p><p>1 - R1</p><p>2 - B1</p><p>3 - B2</p><p>4 - R2</p><p>5 - R3</p><p>6 - B3</p><p>7 - B4</p><p>8 - R4</p><p>9 - R5</p><p>10- B5</p><p> </p><p>So the two high shots were both following shots of the other load. Same bullet,powder, etc. but the blue load had one more grain powder and 40-50fps faster. I had thought of that but can't see why it would lead to the fliers. Slightly warmer barrel? Tiny bit more fouling? Me flinching from slight recoil increase?</p><p></p><p>The real telling thing though is that the load showed this before without firing round robin. A five shot group where first two were nearly touching at 300 yards. I can't recall the shot order for the next 3 just that I should have quit after the first 2 <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> </p><p></p><p>On the target above I did wait a minimum of 3 minutes between shots to allow the barrel to cool but perhaps it was slightly warmer after the higher velocity rounds. The previous target it was in fact the first two for sure that grouped tightly and perhaps I have a bedding/temperature issue. As I said it is a stock Remington magnum contour. Not a bull barrel by any means. When I bedded it I also did the first 5" of the barrel channel. Perhaps I should free float it all the way to the lug?</p></blockquote><p></p>
[QUOTE="davkrat, post: 1085740, member: 6452"] Sort of. I round robined them with the other load. So the sequence was: 1 - R1 2 - B1 3 - B2 4 - R2 5 - R3 6 - B3 7 - B4 8 - R4 9 - R5 10- B5 So the two high shots were both following shots of the other load. Same bullet,powder, etc. but the blue load had one more grain powder and 40-50fps faster. I had thought of that but can't see why it would lead to the fliers. Slightly warmer barrel? Tiny bit more fouling? Me flinching from slight recoil increase? The real telling thing though is that the load showed this before without firing round robin. A five shot group where first two were nearly touching at 300 yards. I can't recall the shot order for the next 3 just that I should have quit after the first 2 :) On the target above I did wait a minimum of 3 minutes between shots to allow the barrel to cool but perhaps it was slightly warmer after the higher velocity rounds. The previous target it was in fact the first two for sure that grouped tightly and perhaps I have a bedding/temperature issue. As I said it is a stock Remington magnum contour. Not a bull barrel by any means. When I bedded it I also did the first 5" of the barrel channel. Perhaps I should free float it all the way to the lug? [/QUOTE]
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Miss : high to the left?
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