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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Anyone have experience/luck reloading for ar10/15 accuracy by adjusting bullet jump?
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<blockquote data-quote="budlight" data-source="post: 2478933" data-attributes="member: 2939"><p>In my search on how to build competitive Ar's I came across things like a upper grinder to true the upper receiver to the barrel before you assemble the upper. The use of the best heavy full auto bolts. Using rifle length or even better the plus 2 inch gas port barrels. messing with springs and buffer weights to cycle the easiest possible.</p><p></p><p>I played with case length and careful trueing and found that 1.78 length works. The minimum a SAAMI 223 chamber can be is 1.772" (and most are longer). My paper rounds use on the same lot Lake City brass. I machined my RCBS case holders .003 down and use competition dies on my single stage to resize the cases and then wet tumble polish to remove all oils and blemishes before reloading. Wet tumble cleans out all the carbon to keep the case volumes consistent</p><p></p><p>I have single shot bolt guns where attention to seating length really matters in long throated rifles. AR15 I just stick to 2,26 and work on everything else</p></blockquote><p></p>
[QUOTE="budlight, post: 2478933, member: 2939"] In my search on how to build competitive Ar's I came across things like a upper grinder to true the upper receiver to the barrel before you assemble the upper. The use of the best heavy full auto bolts. Using rifle length or even better the plus 2 inch gas port barrels. messing with springs and buffer weights to cycle the easiest possible. I played with case length and careful trueing and found that 1.78 length works. The minimum a SAAMI 223 chamber can be is 1.772" (and most are longer). My paper rounds use on the same lot Lake City brass. I machined my RCBS case holders .003 down and use competition dies on my single stage to resize the cases and then wet tumble polish to remove all oils and blemishes before reloading. Wet tumble cleans out all the carbon to keep the case volumes consistent I have single shot bolt guns where attention to seating length really matters in long throated rifles. AR15 I just stick to 2,26 and work on everything else [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Anyone have experience/luck reloading for ar10/15 accuracy by adjusting bullet jump?
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