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Long Range Hunting & Shooting
Ballistic Coefficient (BC) - How important is it?
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<blockquote data-quote="Plinker147" data-source="post: 1817983" data-attributes="member: 88320"><p>Look at BC in simple terms. It relates to predictable accuracy. The better the BC the more predictable the bullet is going to be when dealing with the in flight conditions. Things that effect BC are speed and weight. You can shoot a lower BC bullet say.45 very accurate at distance when you make up for BC with higher velocity. Weight is also a function. If you shoot a 350 gr bullet with a .45 BC it will be more predictable than a 130 gr bullet with same BC. It takes more to move than bullet in flight. Also At X distance as the bullet slows the low BC will come in to play and the bullet will become less predictable on where it impacts.</p><p></p><p>In short for 7-800 plus yards BC really starts to show. For 700ish and under I've found than .45 BC is enough to keep shots in the kill zone. I can keep my 25-06 at 3200 FPS in with .45 BC in 10 in gong easily. My 8x338 with 200gr .45 BC at 2800fps will do the same but really falls off at 600ish.</p><p></p><p>Competition is different story since the goal is to hit an X is a 4-6in circle.</p></blockquote><p></p>
[QUOTE="Plinker147, post: 1817983, member: 88320"] Look at BC in simple terms. It relates to predictable accuracy. The better the BC the more predictable the bullet is going to be when dealing with the in flight conditions. Things that effect BC are speed and weight. You can shoot a lower BC bullet say.45 very accurate at distance when you make up for BC with higher velocity. Weight is also a function. If you shoot a 350 gr bullet with a .45 BC it will be more predictable than a 130 gr bullet with same BC. It takes more to move than bullet in flight. Also At X distance as the bullet slows the low BC will come in to play and the bullet will become less predictable on where it impacts. In short for 7-800 plus yards BC really starts to show. For 700ish and under I’ve found than .45 BC is enough to keep shots in the kill zone. I can keep my 25-06 at 3200 FPS in with .45 BC in 10 in gong easily. My 8x338 with 200gr .45 BC at 2800fps will do the same but really falls off at 600ish. Competition is different story since the goal is to hit an X is a 4-6in circle. [/QUOTE]
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Ballistic Coefficient (BC) - How important is it?
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