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Rifles, Reloading, Optics, Equipment
Reloading
Who crimps their bullets in the case?
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<blockquote data-quote="RT2506" data-source="post: 1804032" data-attributes="member: 10178"><p>I have been a hand loader for 40 years and here is what I have learned. This has to do with the Lee Factory Crimp Die mostly. In my "precision" bolt rifles I do not crimp. I have no really heavy recoiling calibers and I believe I have the proper neck tension because of no problems with bullet movement and accuracy.</p><p></p><p> Here is what I have found with most of the old military bolt rifles that I have collected. Many have throats that are a mile long because many were designed to use long RN bullets. By using the Lee Factory Crimp Die in these loads it has greatly increased the accuracy of loads over those that are not crimped. You can use the Lee Factory Crimp Die with ANY bullet, it does not have to have a cannelure.</p><p></p><p> In semi-auto rifles I have seen no adverse results by using the Lee Factory Crimp Die just putting a medium to light crimp but depending on the rifle I have seen some increase in accuracy by using it. So I crimp all my semi-auto ammo.</p><p></p><p>Always crimp all revolver rounds. As has been mentioned powders like H110/WW296, Bluedot, 2400 need bullets crimped to get a good burn.</p><p></p><p>With pistol rounds to be used in semi-auto always use a taper crimp or better yet I have found that the Lee Factory Crimp Die made for semi-auto pistol calibers works best. It puts the proper taper crimp as well as makes sure that the whole case is sized within specks.</p></blockquote><p></p>
[QUOTE="RT2506, post: 1804032, member: 10178"] I have been a hand loader for 40 years and here is what I have learned. This has to do with the Lee Factory Crimp Die mostly. In my "precision" bolt rifles I do not crimp. I have no really heavy recoiling calibers and I believe I have the proper neck tension because of no problems with bullet movement and accuracy. Here is what I have found with most of the old military bolt rifles that I have collected. Many have throats that are a mile long because many were designed to use long RN bullets. By using the Lee Factory Crimp Die in these loads it has greatly increased the accuracy of loads over those that are not crimped. You can use the Lee Factory Crimp Die with ANY bullet, it does not have to have a cannelure. In semi-auto rifles I have seen no adverse results by using the Lee Factory Crimp Die just putting a medium to light crimp but depending on the rifle I have seen some increase in accuracy by using it. So I crimp all my semi-auto ammo. Always crimp all revolver rounds. As has been mentioned powders like H110/WW296, Bluedot, 2400 need bullets crimped to get a good burn. With pistol rounds to be used in semi-auto always use a taper crimp or better yet I have found that the Lee Factory Crimp Die made for semi-auto pistol calibers works best. It puts the proper taper crimp as well as makes sure that the whole case is sized within specks. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Who crimps their bullets in the case?
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