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Rifles, Reloading, Optics, Equipment
Reloading
.28 Nosler Pressure
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<blockquote data-quote="coyotezapper" data-source="post: 1355318" data-attributes="member: 20438"><p>I have been loading the 7STW - twin brother to the 28N for 20ish years and have now loaded for the 28N in 4 different rifles and there are a few things that I have seen that impact pressure. Case capacity, powder burn rate, seating depth - jammed bullets and to a somewhat lesser degree primers and barrel twist.</p><p></p><p>In the 28N I have seen 8 twist barrels seem to show pressures signs earlier but can still get the max velocity wanted if velocity is what you are chasing.</p><p></p><p>My 7STW never had brass issues with hot loads but I attribute this to the belt. I still have some of the original Remington brass from their first factory loaded rounds. This being said I have had no issues with any of Nosler/Norma 28N brass but all of my load work up was originally done with pressure testing equipment so I know the limitations of the brass within reasonable pressures. With all 28N rifles the brass lot numbers were different but I have been able to get the same results with safe pressures out of all of them. The brass is very good quality. I even have used necked up 26N brass and have the same results.</p><p></p><p>My biggest problem with this subject is that some refuse to accept the obvious. If the brass is going south, this is a handloading/pressure problem and not a brass quality issue IMO. I steered away from another thread because the poster could not understand why his brass lasted only 2-3 firings when he was running the 195 Berger at 3300 FPS. He claimed this was a load that was safe and used by many. My burn rates taken from different lots of R33 showed this load to be around 75-80K if shot through my rifles at this velocity.</p><p></p><p>A little off subject here but worth mentioning is powder used in the 28N. I love Reloader powders. They have always given me the best performance but have always been temperature sensitive. R33 is no different. I have not quite figured it out yet but it seems to be very stable at one velocity/pressure and then be unstable at another. Still gathering data with no clear conclusion yet. For this reason I use Retumbo for my working load. Its a little slower but very stable across a wide temperature range.</p></blockquote><p></p>
[QUOTE="coyotezapper, post: 1355318, member: 20438"] I have been loading the 7STW - twin brother to the 28N for 20ish years and have now loaded for the 28N in 4 different rifles and there are a few things that I have seen that impact pressure. Case capacity, powder burn rate, seating depth - jammed bullets and to a somewhat lesser degree primers and barrel twist. In the 28N I have seen 8 twist barrels seem to show pressures signs earlier but can still get the max velocity wanted if velocity is what you are chasing. My 7STW never had brass issues with hot loads but I attribute this to the belt. I still have some of the original Remington brass from their first factory loaded rounds. This being said I have had no issues with any of Nosler/Norma 28N brass but all of my load work up was originally done with pressure testing equipment so I know the limitations of the brass within reasonable pressures. With all 28N rifles the brass lot numbers were different but I have been able to get the same results with safe pressures out of all of them. The brass is very good quality. I even have used necked up 26N brass and have the same results. My biggest problem with this subject is that some refuse to accept the obvious. If the brass is going south, this is a handloading/pressure problem and not a brass quality issue IMO. I steered away from another thread because the poster could not understand why his brass lasted only 2-3 firings when he was running the 195 Berger at 3300 FPS. He claimed this was a load that was safe and used by many. My burn rates taken from different lots of R33 showed this load to be around 75-80K if shot through my rifles at this velocity. A little off subject here but worth mentioning is powder used in the 28N. I love Reloader powders. They have always given me the best performance but have always been temperature sensitive. R33 is no different. I have not quite figured it out yet but it seems to be very stable at one velocity/pressure and then be unstable at another. Still gathering data with no clear conclusion yet. For this reason I use Retumbo for my working load. Its a little slower but very stable across a wide temperature range. [/QUOTE]
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.28 Nosler Pressure
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