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Rifles, Reloading, Optics, Equipment
Gunsmithing
Barrel shortening
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<blockquote data-quote="MNbogboy" data-source="post: 2263672" data-attributes="member: 18849"><p>The 303 British rim is .540 if I remember, while the 30-40 Krag is .545. The @Krag (30 US) is knocking on the door of 30-06/.308 ballistics,and would be all you need for elk.</p><p>My first rebarrel was a Candian Ross in 303 brit. I put a McGowan 6mm Krag barrel on it. The Ross had a buttress type thread (chambered square thread) at 3 tpi. Tough job for those days 70s, took a while to find a machinist who had a lathe that would cut them.</p><p>The 303 bolt worked great on the Krag brass. Actually made the wildcat brass with 303 brass.</p><p>I believe you could probably find someone to grind a 7mm Krag reamer. I've seen 25 Krag reamers listed once or twice. Reloading dies would also be a custom 1 off.</p><p>Your photo appears to reveal numerous and fatal rust pitting.</p><p>Under a good glass the lands should appear sharp and square cornered if it had correct crown.</p><p>Like others said check all screw torqued for this erratic grouping, it has been said a poor crown might also cause this.</p><p>Keep us posted on the verdict.</p></blockquote><p></p>
[QUOTE="MNbogboy, post: 2263672, member: 18849"] The 303 British rim is .540 if I remember, while the 30-40 Krag is .545. The @Krag (30 US) is knocking on the door of 30-06/.308 ballistics,and would be all you need for elk. My first rebarrel was a Candian Ross in 303 brit. I put a McGowan 6mm Krag barrel on it. The Ross had a buttress type thread (chambered square thread) at 3 tpi. Tough job for those days 70s, took a while to find a machinist who had a lathe that would cut them. The 303 bolt worked great on the Krag brass. Actually made the wildcat brass with 303 brass. I believe you could probably find someone to grind a 7mm Krag reamer. I've seen 25 Krag reamers listed once or twice. Reloading dies would also be a custom 1 off. Your photo appears to reveal numerous and fatal rust pitting. Under a good glass the lands should appear sharp and square cornered if it had correct crown. Like others said check all screw torqued for this erratic grouping, it has been said a poor crown might also cause this. Keep us posted on the verdict. [/QUOTE]
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Barrel shortening
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