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Long Range Hunting & Shooting
20 cal build for 55 grain Bergers
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<blockquote data-quote="Redfoot Ranch" data-source="post: 2823523" data-attributes="member: 118915"><p>I built this rifle with the intent of coyote control rather than a varmint rifle and had an 8t chambered by one of my smith's but it's still in the safe. Long story short, the bbl I'm shooting is a used 9t I found that was supposed to have "~150" rounds down it, shooting moly coated 55's. When I borescoped it, it looked like a war zone so I sent it back to the seller so he and his smith could see it's current condition. It appeared as if it had not been cleaned when he pulled it off a few years back. He sent it back after I agreed to a refund where I only had $50 into it. Either it would shoot or be a tomato stake.</p><p></p><p>At the time, 6.5x47 was the only brass option available and necking down 60 thou with bushings induced 10+ thou of runout before fire forming. The first 10 shot less than .4 group, so with MV to input the next 3 went to 325, 600 and 728 on steel. After seeing it was capable at distance, I told one of the guy's I was shooting with that day that I would drop the bbl off the next afternoon on my way home from work to have the muzzle thread for a can.</p><p></p><p>I've shot a wad of woodchucks with a 90% fireforming load to get the brass ironed out. With my load running a 328 yd. PBR on a 3.5" target I put a NV scope on it. After Igor put the reticle I like into Strelok Pro, I have taken it out to 606 yds and it's spot on with reticle hold. I now have 461 rounds down the pipe and call it Lightning. I won't check throat erosion until I see the accuracy falter.</p><p></p><p>Attached is a pics of the inside and first chuck I shot at 147 yds. while fireforming.</p><p></p><p>Before returning -</p><p><a href="https://postimg.cc/DJJ3vsqf" target="_blank"><img src="https://i.postimg.cc/DJJ3vsqf/Before-sent-back.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a> <a href="https://postimg.cc/YG5Kh936" target="_blank"><img src="https://i.postimg.cc/YG5Kh936/Before-sent-back2.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>After cleaning, before shot -</p><p><a href="https://postimg.cc/vcdwy4DM" target="_blank"><img src="https://i.postimg.cc/vcdwy4DM/Before-shooting.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a> <a href="https://postimg.cc/7fM8ZqTz" target="_blank"><img src="https://i.postimg.cc/7fM8ZqTz/Before-shooting2.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>Can't find find entry or exit. This is the terminal performance I hoped for.</p><p><a href="https://postimg.cc/VdRtTKnq" target="_blank"><img src="https://i.postimg.cc/VdRtTKnq/IMG-20210926-171638688.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a> <a href="https://postimg.cc/jLZWvLYv" target="_blank"><img src="https://i.postimg.cc/jLZWvLYv/IMG-20210926-171624082.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a> <a href="https://postimg.cc/XGSXX59N" target="_blank"><img src="https://i.postimg.cc/XGSXX59N/IMG-20210926-171546454.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a> <a href="https://postimg.cc/0bcnTYww" target="_blank"><img src="https://i.postimg.cc/0bcnTYww/IMG-20210926-171510538.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p></blockquote><p></p>
[QUOTE="Redfoot Ranch, post: 2823523, member: 118915"] I built this rifle with the intent of coyote control rather than a varmint rifle and had an 8t chambered by one of my smith's but it's still in the safe. Long story short, the bbl I'm shooting is a used 9t I found that was supposed to have "~150" rounds down it, shooting moly coated 55's. When I borescoped it, it looked like a war zone so I sent it back to the seller so he and his smith could see it's current condition. It appeared as if it had not been cleaned when he pulled it off a few years back. He sent it back after I agreed to a refund where I only had $50 into it. Either it would shoot or be a tomato stake. At the time, 6.5x47 was the only brass option available and necking down 60 thou with bushings induced 10+ thou of runout before fire forming. The first 10 shot less than .4 group, so with MV to input the next 3 went to 325, 600 and 728 on steel. After seeing it was capable at distance, I told one of the guy's I was shooting with that day that I would drop the bbl off the next afternoon on my way home from work to have the muzzle thread for a can. I've shot a wad of woodchucks with a 90% fireforming load to get the brass ironed out. With my load running a 328 yd. PBR on a 3.5" target I put a NV scope on it. After Igor put the reticle I like into Strelok Pro, I have taken it out to 606 yds and it's spot on with reticle hold. I now have 461 rounds down the pipe and call it Lightning. I won't check throat erosion until I see the accuracy falter. Attached is a pics of the inside and first chuck I shot at 147 yds. while fireforming. Before returning - [URL='https://postimg.cc/DJJ3vsqf'][IMG]https://i.postimg.cc/DJJ3vsqf/Before-sent-back.jpg[/IMG][/URL] [URL='https://postimg.cc/YG5Kh936'][IMG]https://i.postimg.cc/YG5Kh936/Before-sent-back2.jpg[/IMG][/URL] After cleaning, before shot - [URL='https://postimg.cc/vcdwy4DM'][IMG]https://i.postimg.cc/vcdwy4DM/Before-shooting.jpg[/IMG][/URL] [URL='https://postimg.cc/7fM8ZqTz'][IMG]https://i.postimg.cc/7fM8ZqTz/Before-shooting2.jpg[/IMG][/URL] Can't find find entry or exit. This is the terminal performance I hoped for. [URL='https://postimg.cc/VdRtTKnq'][IMG]https://i.postimg.cc/VdRtTKnq/IMG-20210926-171638688.jpg[/IMG][/URL] [URL='https://postimg.cc/jLZWvLYv'][IMG]https://i.postimg.cc/jLZWvLYv/IMG-20210926-171624082.jpg[/IMG][/URL] [URL='https://postimg.cc/XGSXX59N'][IMG]https://i.postimg.cc/XGSXX59N/IMG-20210926-171546454.jpg[/IMG][/URL] [URL='https://postimg.cc/0bcnTYww'][IMG]https://i.postimg.cc/0bcnTYww/IMG-20210926-171510538.jpg[/IMG][/URL] [/QUOTE]
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20 cal build for 55 grain Bergers
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