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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
trimming the bullet meplay for better BC
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<blockquote data-quote="Steve Shelp" data-source="post: 29643" data-attributes="member: 22"><p>Brent & Jeff,</p><p> Those tips were supplied by a bullet company that I'm not sure I'm at liberty to say at the present. Like I've mentioned before this has been an ongoing experiement over a period of time and data is continually being fed back to "the source". I'm not playing oppossum with you, but I was asked to keep quite.... so I must honor that request at the expense of not being able to tell ya'll the whole story. If I was given the go ahead to say who, what, when, where, why, and how.... I'm pretty sure even I couldn't buy them myself at this time.</p><p></p><p>Now about the tips and how they work.... obviously it makes your BC go up and keeps the BC uniformand that's a good thing. That tip on a 300gr MK is an awesome looking bullet. I gained about a 12-16" of elevation at 1000yds using them. This is the reason for cutting the meplat to begin with... was to prove or disprove if uniform meplats make a difference. The end result was to eventually install plastic tips. The cutting of the meplats was merely a cheap easy test to the end means of uniform plastic tips.</p><p> The cutter allows you to uniform already existing bullets (loaded or unloaded) and enjoy the benefits of meplat uniformity without going all out to install the tips. The last batch I made up at Dave's shop was 86 bullets and it took well over an hour. Eventually my thrist for a beer overcame my desire for more plastic tipped bullets and the lathe was shutdown for the night. <img src="http://images/icons/grin.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /> </p><p> The true test I beleive now lies with the USAMU testing the Dave L. mentioned above. They have the means to truely test, with some statistical certainty the thousands of rounds over different ranges and to get some true repeatable hard numbers. I don't think anyone in our little group has/had any grand allusions of our tests standing up to hard scientific scruntiny. I think we were trying to show that, "hey there's something here and here's rough data".... will someone pick up the ball and make it happen. In that sense the testing to date has been a success and the wheels are definetly turning in more places than NC on this subject.</p><p></p><p>Jeff,</p><p> You couldn't do much better than to have Henry as a reference. I've shot at many matches with him and he usually sets up next to Dave and I. Henry is a walking calculator/encylopedia of internal and external ballistics/mathematics. Henry even shot aluminum tipped bullets at one time that he made himself. That was an interesting experiement with some drawbacks that were encountered.</p><p></p><p>Steve</p></blockquote><p></p>
[QUOTE="Steve Shelp, post: 29643, member: 22"] Brent & Jeff, Those tips were supplied by a bullet company that I'm not sure I'm at liberty to say at the present. Like I've mentioned before this has been an ongoing experiement over a period of time and data is continually being fed back to "the source". I'm not playing oppossum with you, but I was asked to keep quite.... so I must honor that request at the expense of not being able to tell ya'll the whole story. If I was given the go ahead to say who, what, when, where, why, and how.... I'm pretty sure even I couldn't buy them myself at this time. Now about the tips and how they work.... obviously it makes your BC go up and keeps the BC uniformand that's a good thing. That tip on a 300gr MK is an awesome looking bullet. I gained about a 12-16" of elevation at 1000yds using them. This is the reason for cutting the meplat to begin with... was to prove or disprove if uniform meplats make a difference. The end result was to eventually install plastic tips. The cutting of the meplats was merely a cheap easy test to the end means of uniform plastic tips. The cutter allows you to uniform already existing bullets (loaded or unloaded) and enjoy the benefits of meplat uniformity without going all out to install the tips. The last batch I made up at Dave's shop was 86 bullets and it took well over an hour. Eventually my thrist for a beer overcame my desire for more plastic tipped bullets and the lathe was shutdown for the night. [img]images/icons/grin.gif[/img] The true test I beleive now lies with the USAMU testing the Dave L. mentioned above. They have the means to truely test, with some statistical certainty the thousands of rounds over different ranges and to get some true repeatable hard numbers. I don't think anyone in our little group has/had any grand allusions of our tests standing up to hard scientific scruntiny. I think we were trying to show that, "hey there's something here and here's rough data".... will someone pick up the ball and make it happen. In that sense the testing to date has been a success and the wheels are definetly turning in more places than NC on this subject. Jeff, You couldn't do much better than to have Henry as a reference. I've shot at many matches with him and he usually sets up next to Dave and I. Henry is a walking calculator/encylopedia of internal and external ballistics/mathematics. Henry even shot aluminum tipped bullets at one time that he made himself. That was an interesting experiement with some drawbacks that were encountered. Steve [/QUOTE]
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trimming the bullet meplay for better BC
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