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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hornady ELD-X Official Thread
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<blockquote data-quote="Swamplord" data-source="post: 1250156" data-attributes="member: 2460"><p>Got a couple boxes of the new Hornady 147 gr ELD Match bullets the other day, wanted to see how they compared to the 143 gr ELD-X bullets , Hornady claims the 147 gr ELD Match bullet has a .697 g1 bc /.351 g7 bc vs the 143 gr ELD-X with .625 g1 bc/.315 g7 bc ..... I used a Hornady digital caliper and Hornady #5/26 comparator ( no bias. lol ) to get these numbers from 25 bullets, each picked at random from the box, in the dimensions pic shown were the most consistent numbers I got with several + - ..... Now I know these measurements are not perfectly accurate and you will get slightly different results, this was to satisfy my own curiosity and I figured may as well share my findings ....</p><p>If I did my math correctly (y'all can check my math) this is what I see ....</p><p>6.5 mm Hornady bullets</p><p>143 gr ELD-X vs 147 gr ELD Match ......</p><p>the 147 gr ELD Match bullet is ....</p><p>4 grains heavier</p><p>.010" shorter oal</p><p>.008" shorter nose length</p><p>.002" longer boat tail</p><p>.004" shorter bearing surface</p><p>claimed .075 g1/ .036 g7 higher bc over the 143 gr ELD-X</p><p>the dimensions between the two bullets are minor with only 4 gr weight difference ....... Is that enough to generate the higher bc claims or is this bs ? What do you guys think ?</p><p>** note</p><p>This is in no way meant to disparage or support Hornady on their bc claims.....just wondering how they get a much higher bc with a bullet just 4 gr heavier, .010" shorter and other minor differences.....</p></blockquote><p></p>
[QUOTE="Swamplord, post: 1250156, member: 2460"] Got a couple boxes of the new Hornady 147 gr ELD Match bullets the other day, wanted to see how they compared to the 143 gr ELD-X bullets , Hornady claims the 147 gr ELD Match bullet has a .697 g1 bc /.351 g7 bc vs the 143 gr ELD-X with .625 g1 bc/.315 g7 bc ..... I used a Hornady digital caliper and Hornady #5/26 comparator ( no bias. lol ) to get these numbers from 25 bullets, each picked at random from the box, in the dimensions pic shown were the most consistent numbers I got with several + - ..... Now I know these measurements are not perfectly accurate and you will get slightly different results, this was to satisfy my own curiosity and I figured may as well share my findings .... If I did my math correctly (y'all can check my math) this is what I see .... 6.5 mm Hornady bullets 143 gr ELD-X vs 147 gr ELD Match ...... the 147 gr ELD Match bullet is .... 4 grains heavier .010" shorter oal .008" shorter nose length .002" longer boat tail .004" shorter bearing surface claimed .075 g1/ .036 g7 higher bc over the 143 gr ELD-X the dimensions between the two bullets are minor with only 4 gr weight difference ....... Is that enough to generate the higher bc claims or is this bs ? What do you guys think ? ** note This is in no way meant to disparage or support Hornady on their bc claims.....just wondering how they get a much higher bc with a bullet just 4 gr heavier, .010" shorter and other minor differences..... [/QUOTE]
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