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Rifles, Reloading, Optics, Equipment
Reloading
Barrel Break-in, Fireforming and Load Development?
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<blockquote data-quote="Grumulkin" data-source="post: 483863" data-attributes="member: 29281"><p>I guess I have a little different approach to things. After having heard and read much about the barrel break in thing, I've concluded that for myself, I'll do somewhat of a modified break in. I would start out by making sure the barrel was very clean without oil or detritus from boring in it. I would then clean very well with a good copper remover after each range session of up to 15 to 20 shots until about 100 rounds had gone through it after which I would be a bit less compulsive.</p><p></p><p>I generally shoot groups of three. Depending on the cartridge, I'll start just a little above the minimum listed load (in a 243 AI that would probably be 0.5 grains above the listed starting load) and make up labeled baggies with 3 cartridges each in them going up in 1 grain increments until approaching the maximum load and then in 0.5 gr. increments.</p><p></p><p>I WOULD fireform the brass during load workup and barrel break in. It's true there might be a little difference with fireformed brass but you will at least have a better idea of the range of powder charges/bullets that warrant further testing.</p></blockquote><p></p>
[QUOTE="Grumulkin, post: 483863, member: 29281"] I guess I have a little different approach to things. After having heard and read much about the barrel break in thing, I've concluded that for myself, I'll do somewhat of a modified break in. I would start out by making sure the barrel was very clean without oil or detritus from boring in it. I would then clean very well with a good copper remover after each range session of up to 15 to 20 shots until about 100 rounds had gone through it after which I would be a bit less compulsive. I generally shoot groups of three. Depending on the cartridge, I'll start just a little above the minimum listed load (in a 243 AI that would probably be 0.5 grains above the listed starting load) and make up labeled baggies with 3 cartridges each in them going up in 1 grain increments until approaching the maximum load and then in 0.5 gr. increments. I WOULD fireform the brass during load workup and barrel break in. It's true there might be a little difference with fireformed brass but you will at least have a better idea of the range of powder charges/bullets that warrant further testing. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Barrel Break-in, Fireforming and Load Development?
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