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Hunting
Long Range Hunting & Shooting
270-300 Win Mag now feasible
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<blockquote data-quote="johnnyk" data-source="post: 1258233" data-attributes="member: 307"><p>BJD,</p><p> I did some initial fireforming with the 140gn Ballistic Tips and they were leaving @ 3650fps. Even during fireforming 15 shots produced a tight, nickle size group at 100yds. I was using H50BMG powder and lighting off 102gns. This "KirbyBuilt" is tight and as good as you could ask for using a trued & blue printed Remington action. After the NBT's ran out I just started using Cream of Wheat to FF. Figured barrel wouldn't last long with the Ballistic Tip method.</p><p></p><p>In reference to the LRAB's, no I haven't. Kirby said the regular AB would do fine but that the LRAB would probably be too soft for this barrel. It's one of the first rifles he built and was using Lilja, 1-8 twist, 3 groove barrels at the time.</p><p></p><p>He recommended Ballistic Tips, AB's and any of the Barnes bullets. I've got 200 of the Wildcat 169.5gn RBBT ULD's and 200 170gn Bergers. The rifle likes the Bergers but I have to work on the seating depth for the WC's. I got "lucky" with the Bergers, after I made a modified case I snugged the Berger up to the LaG's and backed it off .010" and they shot lights out, so, of course I left it at that.</p><p></p><p>Once you step up to a rifle of this "caliber" (pun intended) you quickly learn that the bullet is the only limiting factor for LR. Wish someone made a 180, 195 or even 200gn .277" bullet. I just saw where Hornady is coming out with a .277" 145gn ELD-X, G1 BC is .536, don't imagine that will do the Allen Magnum justice though.</p></blockquote><p></p>
[QUOTE="johnnyk, post: 1258233, member: 307"] BJD, I did some initial fireforming with the 140gn Ballistic Tips and they were leaving @ 3650fps. Even during fireforming 15 shots produced a tight, nickle size group at 100yds. I was using H50BMG powder and lighting off 102gns. This "KirbyBuilt" is tight and as good as you could ask for using a trued & blue printed Remington action. After the NBT's ran out I just started using Cream of Wheat to FF. Figured barrel wouldn't last long with the Ballistic Tip method. In reference to the LRAB's, no I haven't. Kirby said the regular AB would do fine but that the LRAB would probably be too soft for this barrel. It's one of the first rifles he built and was using Lilja, 1-8 twist, 3 groove barrels at the time. He recommended Ballistic Tips, AB's and any of the Barnes bullets. I've got 200 of the Wildcat 169.5gn RBBT ULD's and 200 170gn Bergers. The rifle likes the Bergers but I have to work on the seating depth for the WC's. I got "lucky" with the Bergers, after I made a modified case I snugged the Berger up to the LaG's and backed it off .010" and they shot lights out, so, of course I left it at that. Once you step up to a rifle of this "caliber" (pun intended) you quickly learn that the bullet is the only limiting factor for LR. Wish someone made a 180, 195 or even 200gn .277" bullet. I just saw where Hornady is coming out with a .277" 145gn ELD-X, G1 BC is .536, don't imagine that will do the Allen Magnum justice though. [/QUOTE]
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270-300 Win Mag now feasible
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