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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.277" 169 wildcat bullet
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<blockquote data-quote="goodgrouper" data-source="post: 311253" data-attributes="member: 2852"><p>Wow. Been so long since I've been here that I almost forgot how to make a new thread!</p><p></p><p>Anyhow, I've just completed load development on three rifles chambered in a semi-overbore cartridge using the above mentioned bullets. 100 yard testing showed "ho-hum" performance but when I got the deviations down (by changing charges, powders, and seating depths) the loads that the gun favored sure were impressive at long range.</p><p></p><p>I've mentioned I've seen this before many times and many people have called me crazy for it but here's three guns in a row that shot 3/4 MOA at times at 100 yards and then proceeded to drill 1/2 MOA at 1000 yards and one gun even went under 1/3 MOA at 650 yards!</p><p></p><p>Bottom line: big bullets need some time to dampen the precession and the bigger they are, the easier it is to see. These beauties are so long they almost need to be measured with a yardstick.</p><p></p><p>Wildcat guys, if you're listening, the J4 jacketed RBBT's work great in their original form with twist rates as advertised. And as long as you don't try running them through a 3 groove barrel, they work great from what I've seen thus far.</p></blockquote><p></p>
[QUOTE="goodgrouper, post: 311253, member: 2852"] Wow. Been so long since I've been here that I almost forgot how to make a new thread! Anyhow, I've just completed load development on three rifles chambered in a semi-overbore cartridge using the above mentioned bullets. 100 yard testing showed "ho-hum" performance but when I got the deviations down (by changing charges, powders, and seating depths) the loads that the gun favored sure were impressive at long range. I've mentioned I've seen this before many times and many people have called me crazy for it but here's three guns in a row that shot 3/4 MOA at times at 100 yards and then proceeded to drill 1/2 MOA at 1000 yards and one gun even went under 1/3 MOA at 650 yards! Bottom line: big bullets need some time to dampen the precession and the bigger they are, the easier it is to see. These beauties are so long they almost need to be measured with a yardstick. Wildcat guys, if you're listening, the J4 jacketed RBBT's work great in their original form with twist rates as advertised. And as long as you don't try running them through a 3 groove barrel, they work great from what I've seen thus far. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.277" 169 wildcat bullet
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