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Rifles, Reloading, Optics, Equipment
Reloading
Need some advice
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<blockquote data-quote="Ackley Man" data-source="post: 270940" data-attributes="member: 16583"><p>At this point I think at the least we are all in agreement that a tight neck chamber is NOT for hunting unless it is a controlled varmint type enviornment where the gun will not be susceptible to dirt and crap getting into the chamber. Some of the replys here still dispute the fact that a tight necked chamber will be more inherently more accurate than a standard SAMI spec chamber. Well, on that note you are wrong and there is no debating that subject as the bench rest community would not absorb the cost of special reamers if the was not a distinct advantage. Additionally, anyone that owns both will testify that their tight neck chamber guns regularly produce smaller groups. </p><p> </p><p>As it relates to the insinuated statement that a standard SAMI spec chamber could possibly be on the tight side, wrong again. With the broad differential in neck wall thicknesses from the brass and ammunition manufactutrers the gun companies must insure that their chambering can accomodate the thickest of case necks by usually leaning to the large side of the SAMI spec. I once had an extended conversation with one of my old friends Neil Oldridge a retired senior vice president of Remington relative to this same issue and his explination was exactly as stated above. </p><p> </p><p>Concerning neck turning brass for a standard SAMI spec chamber in an effort to standardize neck thickness in one lot of brass, another old friend, Jim Carmichael explained it this way: Traditionally there is a large differential between the chamber diameter and the neck case diameter in a factory gun. If you have brass that measures in a range of 13 to 16 and you turn the brass down to 12 1/2 you have increased the already large gap by 3 1/2 PER SIDE which is adding insult to injury. It would be far better to take off the high spots and use a bushing neck die with 3 different sized bushings to maintain consistent neck tension. </p><p> </p><p>Sorry for beating a dead horse to death but I wanted to inject some expert opinions to help settlle a few of the points that seem to be continually argued in this thread. Can someone please tell me how the hell you attach photos to a thread like this? Thanks.</p></blockquote><p></p>
[QUOTE="Ackley Man, post: 270940, member: 16583"] At this point I think at the least we are all in agreement that a tight neck chamber is NOT for hunting unless it is a controlled varmint type enviornment where the gun will not be susceptible to dirt and crap getting into the chamber. Some of the replys here still dispute the fact that a tight necked chamber will be more inherently more accurate than a standard SAMI spec chamber. Well, on that note you are wrong and there is no debating that subject as the bench rest community would not absorb the cost of special reamers if the was not a distinct advantage. Additionally, anyone that owns both will testify that their tight neck chamber guns regularly produce smaller groups. As it relates to the insinuated statement that a standard SAMI spec chamber could possibly be on the tight side, wrong again. With the broad differential in neck wall thicknesses from the brass and ammunition manufactutrers the gun companies must insure that their chambering can accomodate the thickest of case necks by usually leaning to the large side of the SAMI spec. I once had an extended conversation with one of my old friends Neil Oldridge a retired senior vice president of Remington relative to this same issue and his explination was exactly as stated above. Concerning neck turning brass for a standard SAMI spec chamber in an effort to standardize neck thickness in one lot of brass, another old friend, Jim Carmichael explained it this way: Traditionally there is a large differential between the chamber diameter and the neck case diameter in a factory gun. If you have brass that measures in a range of 13 to 16 and you turn the brass down to 12 1/2 you have increased the already large gap by 3 1/2 PER SIDE which is adding insult to injury. It would be far better to take off the high spots and use a bushing neck die with 3 different sized bushings to maintain consistent neck tension. Sorry for beating a dead horse to death but I wanted to inject some expert opinions to help settlle a few of the points that seem to be continually argued in this thread. Can someone please tell me how the hell you attach photos to a thread like this? Thanks. [/QUOTE]
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