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Rifles, Reloading, Optics, Equipment
Reloading
Do you really need a runout gauge??
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<blockquote data-quote="Buster Hemlock" data-source="post: 1642874" data-attributes="member: 109327"><p>If your happy with what you are currently getting then stick with what your doing. Clearly you think there is likely room for improvement if your thinking about getting a concentricity gauge to evaluate your process. They can definitely help identify where your adding variations in your process. Pulling expander buttons is probably one thing that you will find increases your runout and having an effect on your accuracy but you won't know how much until you see what you are currently getting and then take action to cut down on it. I like to size my brass without a button and then expand the neck and set neck tension with a mandrel. Wire brushing the insides of the necks is something to consider changing as well, a nylon brush will knock off the loose build up and not scratch the insides of the necks. Scratches can effect the amount of bullet grip from case to case and could lead to additional variation in your loads. My process is deprime with a decapping die, clean brass, size brass, expand necks, trim if needed, chamfer, tumble to get rid of lube and any brass shavings, prime, charge, seat bullet. Just my $.02 but it's what I decided works for me.</p></blockquote><p></p>
[QUOTE="Buster Hemlock, post: 1642874, member: 109327"] If your happy with what you are currently getting then stick with what your doing. Clearly you think there is likely room for improvement if your thinking about getting a concentricity gauge to evaluate your process. They can definitely help identify where your adding variations in your process. Pulling expander buttons is probably one thing that you will find increases your runout and having an effect on your accuracy but you won't know how much until you see what you are currently getting and then take action to cut down on it. I like to size my brass without a button and then expand the neck and set neck tension with a mandrel. Wire brushing the insides of the necks is something to consider changing as well, a nylon brush will knock off the loose build up and not scratch the insides of the necks. Scratches can effect the amount of bullet grip from case to case and could lead to additional variation in your loads. My process is deprime with a decapping die, clean brass, size brass, expand necks, trim if needed, chamfer, tumble to get rid of lube and any brass shavings, prime, charge, seat bullet. Just my $.02 but it's what I decided works for me. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Do you really need a runout gauge??
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