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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Monolithic Bullet Accuracy
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<blockquote data-quote="Rich Coyle" data-source="post: 1201181" data-attributes="member: 70559"><p>How 'bout this for a barrel that didn't and a barrel that did, but they were the same barrel?</p><p></p><p>I had a rifle built with a Siskiyou barrel. I had him make the barrel with a slim 22" profile but add 4" to it. It was a guaranteed 2MOA rifle. The cartridge was a short fat before short fat was in. It would hold on in the chamber and another in the magazine.</p><p></p><p>After a couple hunting seasons I had an adjustable brake installed. The 'smith who installed it told me, "If it doesn't put two close together it's not gonna put three close together." I dialed it in with only fifty shots. I took the 'smith to the range and fired two shots on the target and brought it to him. They were 1/2" apart. He said, "There're only to holes." "It only holds two," I told him. You gotta shot three." I put up another target and fired three. The group measured 1".</p><p></p><p>I later discovered Barnes are suppose to be started about .050" from the lands. I was loading mine against the them. The last rifle in which I used Barnes the preferred location was .120" from the rifling. This is almost 1/8".</p><p></p><p>I was firing original 7mm 150 grainers at 3,200 feet per second.</p></blockquote><p></p>
[QUOTE="Rich Coyle, post: 1201181, member: 70559"] How 'bout this for a barrel that didn't and a barrel that did, but they were the same barrel? I had a rifle built with a Siskiyou barrel. I had him make the barrel with a slim 22" profile but add 4" to it. It was a guaranteed 2MOA rifle. The cartridge was a short fat before short fat was in. It would hold on in the chamber and another in the magazine. After a couple hunting seasons I had an adjustable brake installed. The 'smith who installed it told me, "If it doesn't put two close together it's not gonna put three close together." I dialed it in with only fifty shots. I took the 'smith to the range and fired two shots on the target and brought it to him. They were 1/2" apart. He said, "There're only to holes." "It only holds two," I told him. You gotta shot three." I put up another target and fired three. The group measured 1". I later discovered Barnes are suppose to be started about .050" from the lands. I was loading mine against the them. The last rifle in which I used Barnes the preferred location was .120" from the rifling. This is almost 1/8". I was firing original 7mm 150 grainers at 3,200 feet per second. [/QUOTE]
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