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Prairie Dog Cartridge
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<blockquote data-quote="Hugnot" data-source="post: 2933620" data-attributes="member: 115658"><p>I have used the - .20P, .204R, .223R for volume rodent shooting.</p><p></p><p>The best economical combined with performance choice is the .20P -cheap necked down .223 brass. I use a Redding F/L bushing die with a .226 bushing. I use a small base .223 die to resize 1X fired brass from strange chambers, then go onto other operations for ammo production like neck turning trimming. More work than a .223.</p><p></p><p> Recent shooting comparisons with the .20P,40 VMax @ 3,650 & .223, 53 Vmax @ 3,300 at 300 yards show a definite flatter trajectory & wind resistance with the .20P using 40 Vmax bullets at 3,650 fps.</p><p></p><p>Barrel life with the .20P using 25.5 IMR8208 or 27.0 CFE 223 is very good. Slow shooting & cooling barrel with cold water-soaked towels has kept it accurate enough to hit pop can size rodents at 300 & more after more than 2,500 rounds.</p><p></p><p>.204 R brass is pricy. another 50-75 fps may be had over .20P. Nice cartridge shape.</p><p></p><p>I also shoot a fast 7.7 twist .22-.250 with 75 ELD's for good results to 600 & more. Reasonable barrel life using 35.0-36.5 grains of H4350, SW 4350 or Staball 6.5.</p><p></p><p>I take the .300WM safe queen out now & then & gets hits way out there but the recoil, blast, with over 71 grains of powder is painful.</p></blockquote><p></p>
[QUOTE="Hugnot, post: 2933620, member: 115658"] I have used the - .20P, .204R, .223R for volume rodent shooting. The best economical combined with performance choice is the .20P -cheap necked down .223 brass. I use a Redding F/L bushing die with a .226 bushing. I use a small base .223 die to resize 1X fired brass from strange chambers, then go onto other operations for ammo production like neck turning trimming. More work than a .223. Recent shooting comparisons with the .20P,40 VMax @ 3,650 & .223, 53 Vmax @ 3,300 at 300 yards show a definite flatter trajectory & wind resistance with the .20P using 40 Vmax bullets at 3,650 fps. Barrel life with the .20P using 25.5 IMR8208 or 27.0 CFE 223 is very good. Slow shooting & cooling barrel with cold water-soaked towels has kept it accurate enough to hit pop can size rodents at 300 & more after more than 2,500 rounds. .204 R brass is pricy. another 50-75 fps may be had over .20P. Nice cartridge shape. I also shoot a fast 7.7 twist .22-.250 with 75 ELD's for good results to 600 & more. Reasonable barrel life using 35.0-36.5 grains of H4350, SW 4350 or Staball 6.5. I take the .300WM safe queen out now & then & gets hits way out there but the recoil, blast, with over 71 grains of powder is painful. [/QUOTE]
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