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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
COL for AR15 using a Mic?
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<blockquote data-quote="Mike6158" data-source="post: 593237" data-attributes="member: 1039"><p>January 2012 Page 25. Right under the pic of the magazine</p><p></p><p></p><p></p><p>Turns out that wasn't the problem. I reseated 5 rounds to about .015 shorter than they were and the same as some factory rounds that my son had. I used an RCBS Mic to check the difference and adjust the seater. It measures to the ogive. I also broke out an H&K magazine that a friend of mine gave me last year. It's markedly better than the mag that came with my "store bought" Rock River Arms AR. I stepped out the back door and dumped all five rounds. Success! But... I wasn't seated anywhere near where the article said, at least not that I could tell. "must clear the two ridges in the sides of the magazine" seems kind of arbitrary to someone like me. I shoot mostly bolt guns and my bullets are seated to the nearest .001 not some mark on a box. So, I loaded up three of the "long" bullets in the H&K magazine (these are .020 off the lands. The barrel is a Hart barrel). Dumped them no problem.</p><p></p><p>I was having feeding problems. Sometimes the first round wouldn't charge right. When it was fired it would eject but the next round would misfeed. It's been over a year so my recollection might be a little off. What I mainly remember is that I have a custom built (by me) AR15 that wasn't at all fun to shoot. At this point I'm ready to start over and see if I can develop a good load for it and see what kind of range I can get out of it. I'm on the hunt for a good bullet / powder / primer combination so if anyone has any suggestions I'm listening (reading, whatever)</p></blockquote><p></p>
[QUOTE="Mike6158, post: 593237, member: 1039"] January 2012 Page 25. Right under the pic of the magazine Turns out that wasn't the problem. I reseated 5 rounds to about .015 shorter than they were and the same as some factory rounds that my son had. I used an RCBS Mic to check the difference and adjust the seater. It measures to the ogive. I also broke out an H&K magazine that a friend of mine gave me last year. It's markedly better than the mag that came with my "store bought" Rock River Arms AR. I stepped out the back door and dumped all five rounds. Success! But... I wasn't seated anywhere near where the article said, at least not that I could tell. "must clear the two ridges in the sides of the magazine" seems kind of arbitrary to someone like me. I shoot mostly bolt guns and my bullets are seated to the nearest .001 not some mark on a box. So, I loaded up three of the "long" bullets in the H&K magazine (these are .020 off the lands. The barrel is a Hart barrel). Dumped them no problem. I was having feeding problems. Sometimes the first round wouldn't charge right. When it was fired it would eject but the next round would misfeed. It's been over a year so my recollection might be a little off. What I mainly remember is that I have a custom built (by me) AR15 that wasn't at all fun to shoot. At this point I'm ready to start over and see if I can develop a good load for it and see what kind of range I can get out of it. I'm on the hunt for a good bullet / powder / primer combination so if anyone has any suggestions I'm listening (reading, whatever) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
COL for AR15 using a Mic?
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