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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Future H.A.T B.C. Test shoot
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<blockquote data-quote="Pdvdh" data-source="post: 390397" data-attributes="member: 4191"><p>Here's what I use to shoot over chronys at 1000 yds. Your's might need to have a sturdier base to remain properly positioned after sustaining bullet impacts... since you'll be hammering the AR plate with heavier bullets. I hit my 1/2" AR500 plate once with a 7mm 162 A-max at 985yds. The plate remained in position and continued to protect the skysreens on the following shots. The A-max never left any detectable deformation to the AR500. Simply washed away some white spray paint.</p><p><img src="http://i712.photobucket.com/albums/ww125/pdhorwath/AR500PlateProtectedSkyscreens.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Here's the height adjustable steel square channel stand which allows me to position the AR500 plate at the proper height to cover the skysreens. You'll want to minimize any stand/leg material because any bullet impact to anything other than the AR plate in front of any chronograph setup could fragment or richochet and take out your skyscreens, cables, or chronys. You can't very well set the sunshade covers over the skyscreens without risking bullet damage, so hope for an overcast day, or else plan on purchasing some replacement sunshades.</p><p><img src="http://i712.photobucket.com/albums/ww125/pdhorwath/IMG_0310.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>My square channel stand detaches (slide in/out fit) from both the AR500 plate and the section of railroad track/supportive base - for ease of tranportation. I suspect you'll need a sturdier base to keep the AR plate properly positioned if you whack it with a 300+ grain bullet from some of those 338 & 375 super mags.</p><p><img src="http://i712.photobucket.com/albums/ww125/pdhorwath/IMG_0311.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>My AR500 plate is 12" in diameter, because I had to ship it up to Alaska and it's the largest size that would fit within a USPS Priority Mail Flat Rate box. If I lived in the 48 States I'd purchase a 14-15" diameter plate, and would recommend a larger one to others. I get by with mine, but bigger would provide better protection to the skyscreens, skyscreen mounting rail, and tripod. I also place a hefty piece of firewood in front of the chrono units themselves to protect against any richochets. And I don't let anyone else shoot over my chronographs at 1000yds, not matter how good a shot they claim to be... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> So my best advice is... set up someone elses chronographs for the shoot... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="Pdvdh, post: 390397, member: 4191"] Here's what I use to shoot over chronys at 1000 yds. Your's might need to have a sturdier base to remain properly positioned after sustaining bullet impacts... since you'll be hammering the AR plate with heavier bullets. I hit my 1/2" AR500 plate once with a 7mm 162 A-max at 985yds. The plate remained in position and continued to protect the skysreens on the following shots. The A-max never left any detectable deformation to the AR500. Simply washed away some white spray paint. [IMG]http://i712.photobucket.com/albums/ww125/pdhorwath/AR500PlateProtectedSkyscreens.jpg[/IMG] Here's the height adjustable steel square channel stand which allows me to position the AR500 plate at the proper height to cover the skysreens. You'll want to minimize any stand/leg material because any bullet impact to anything other than the AR plate in front of any chronograph setup could fragment or richochet and take out your skyscreens, cables, or chronys. You can't very well set the sunshade covers over the skyscreens without risking bullet damage, so hope for an overcast day, or else plan on purchasing some replacement sunshades. [IMG]http://i712.photobucket.com/albums/ww125/pdhorwath/IMG_0310.jpg[/IMG] My square channel stand detaches (slide in/out fit) from both the AR500 plate and the section of railroad track/supportive base - for ease of tranportation. I suspect you'll need a sturdier base to keep the AR plate properly positioned if you whack it with a 300+ grain bullet from some of those 338 & 375 super mags. [IMG]http://i712.photobucket.com/albums/ww125/pdhorwath/IMG_0311.jpg[/IMG] My AR500 plate is 12" in diameter, because I had to ship it up to Alaska and it's the largest size that would fit within a USPS Priority Mail Flat Rate box. If I lived in the 48 States I'd purchase a 14-15" diameter plate, and would recommend a larger one to others. I get by with mine, but bigger would provide better protection to the skyscreens, skyscreen mounting rail, and tripod. I also place a hefty piece of firewood in front of the chrono units themselves to protect against any richochets. And I don't let anyone else shoot over my chronographs at 1000yds, not matter how good a shot they claim to be... :) So my best advice is... set up someone elses chronographs for the shoot... :D [/QUOTE]
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