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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
G7 Ballistics ?
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<blockquote data-quote="Red hunter" data-source="post: 779023" data-attributes="member: 40502"><p>When inputting a ballistic coeficient there are 2 different ratings a G1 and a G7. Which one should I use? I was loading the info for the SMK 155 palma #2156. Thier websight lists it as .504. When I compared identical info with JBM there was an inch and a half difference at 300 yards. I did notice that JBM changes it to .298 or something after you calculate for drop. What am I missing or messing up?</p></blockquote><p></p>
[QUOTE="Red hunter, post: 779023, member: 40502"] When inputting a ballistic coeficient there are 2 different ratings a G1 and a G7. Which one should I use? I was loading the info for the SMK 155 palma #2156. Thier websight lists it as .504. When I compared identical info with JBM there was an inch and a half difference at 300 yards. I did notice that JBM changes it to .298 or something after you calculate for drop. What am I missing or messing up? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
G7 Ballistics ?
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