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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Tight neck chamber
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<blockquote data-quote="J E Custom" data-source="post: 1097942" data-attributes="member: 2736"><p>Like others, I have an opinion on "Tight Necks" based on My experiences.</p><p></p><p>Tight necks were considered one of the only ways to get the best accuracy in the past because of many quality issues with chambers, dies and brass. Now days, with the quality of the dies and with well prepped brass this is no longer necessary to get extreme accuracy. for Bench rest shooting it works well because maximum pressures are seldom reached or needed. in long range hunting/shooting velocity is more important and high pressure loads are normal.</p><p></p><p>The main issue with Tight necks is normally premature pressure spikes that limit maximum velocity</p><p>(No free bore has the same effect) Keep in mind that long range hunting/shooting has different requirements than other forms of shooting so the same rules don't always apply.</p><p></p><p>If you have a good quality barrel , and a concentric and true chamber the quality of your reloads will produce great accuracy without dealing with the possible pressure issues and loss of velocity. Over sized brass will almost always increase group size whether it has a tight neck or not. In a well sized case that fits the chamber perfectly, nether the tight neck or the .005 + neck should touch the chamber. so the bullet is suspended, and ether way should not have anything to do with accuracy.</p><p></p><p>If a person intends to shoot factory ammo a tight neck spells disaster because of quality control issues with the brass wall thickness. </p><p></p><p>I have opened up many tight neck chambers to solve the many problems that come with them and do nor recommend the use unless one is a very competent re loader and understands the issues with tight necks for this sport.</p><p></p><p>Just my opinion based on "My" Experiences over 50+ years of shooting/competing.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1097942, member: 2736"] Like others, I have an opinion on "Tight Necks" based on My experiences. Tight necks were considered one of the only ways to get the best accuracy in the past because of many quality issues with chambers, dies and brass. Now days, with the quality of the dies and with well prepped brass this is no longer necessary to get extreme accuracy. for Bench rest shooting it works well because maximum pressures are seldom reached or needed. in long range hunting/shooting velocity is more important and high pressure loads are normal. The main issue with Tight necks is normally premature pressure spikes that limit maximum velocity (No free bore has the same effect) Keep in mind that long range hunting/shooting has different requirements than other forms of shooting so the same rules don't always apply. If you have a good quality barrel , and a concentric and true chamber the quality of your reloads will produce great accuracy without dealing with the possible pressure issues and loss of velocity. Over sized brass will almost always increase group size whether it has a tight neck or not. In a well sized case that fits the chamber perfectly, nether the tight neck or the .005 + neck should touch the chamber. so the bullet is suspended, and ether way should not have anything to do with accuracy. If a person intends to shoot factory ammo a tight neck spells disaster because of quality control issues with the brass wall thickness. I have opened up many tight neck chambers to solve the many problems that come with them and do nor recommend the use unless one is a very competent re loader and understands the issues with tight necks for this sport. Just my opinion based on "My" Experiences over 50+ years of shooting/competing. J E CUSTOM [/QUOTE]
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Tight neck chamber
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