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Rifles, Reloading, Optics, Equipment
Reloading
How often do you anneal your brass?
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<blockquote data-quote="baldhunter" data-source="post: 2785846" data-attributes="member: 11853"><p>I used to not anneal either,but once I got a motorized trimmer,I began to notice the difference in how soft brass sounded when trimmed and how it sounded when it was getting hard.Another thing I started doing was,with a marker,I write number of times fired.Another thing I checked was the amount of runout I was getting with a concentricity gauge.I began to see the amount of runout get higher as the number of times the brass was fired.I think what caused the runout to increase was,as the brass hardened,it makes it harder to seat the bullet because the neck tension increases as the brass hardens.Annealing softens and relaxes the brass and I see less runout once it's done.Keeping your brass segregated by the number of times fired and treating them all the same can improve the accuracy too.I don't have a annealing machine.I bolt a small machine screw through a 3/8 drive socket that fits the cartridge base tight enough to hold it in place.I chuck up the machine screw with the socket attached into a drill.The I light up my propane torch.I insert case base into the socket.I hold the case over the flame tip near the shoulder/neck junction and let the drill rotate the case.It only takes a few seconds and it's done.You can see the color change and once the color looks the same on the shoulder and neck,it remove it and do the next case.Be careful,the cases can get a little warm.</p></blockquote><p></p>
[QUOTE="baldhunter, post: 2785846, member: 11853"] I used to not anneal either,but once I got a motorized trimmer,I began to notice the difference in how soft brass sounded when trimmed and how it sounded when it was getting hard.Another thing I started doing was,with a marker,I write number of times fired.Another thing I checked was the amount of runout I was getting with a concentricity gauge.I began to see the amount of runout get higher as the number of times the brass was fired.I think what caused the runout to increase was,as the brass hardened,it makes it harder to seat the bullet because the neck tension increases as the brass hardens.Annealing softens and relaxes the brass and I see less runout once it's done.Keeping your brass segregated by the number of times fired and treating them all the same can improve the accuracy too.I don't have a annealing machine.I bolt a small machine screw through a 3/8 drive socket that fits the cartridge base tight enough to hold it in place.I chuck up the machine screw with the socket attached into a drill.The I light up my propane torch.I insert case base into the socket.I hold the case over the flame tip near the shoulder/neck junction and let the drill rotate the case.It only takes a few seconds and it's done.You can see the color change and once the color looks the same on the shoulder and neck,it remove it and do the next case.Be careful,the cases can get a little warm. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How often do you anneal your brass?
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