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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hammer ballistic coefficient tests...
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<blockquote data-quote="Hugnot" data-source="post: 2612650" data-attributes="member: 115658"><p>I use the Hornady 4DOF calculator with listed bullets, a Magneto chrony, range testing as far as I can shoot, then go out & shoot rodents with range finder and subject rifle whether it be .22-.250 or .300WM. Much field data is recorded in notebook. The Hornady 4DOF calculator does not use BC's.</p><p></p><p>Bullets like the .204 diameter 40 Vmax & 6mm 87 Vmax use the standard ballistic calculator that uses G1 & G7 BC data and despite their modest BC values they are effective at moderate & longish ranges, 400 yards for the .204 & 600 yards for the 6mm.</p><p></p><p> For my shooting needs - steel, rodents, & paper the Hornady ELDM & listed bullets work well. Favorites used with H 4DOF are: .224 75 ELDM, 6mm 105 Hornady HpBT, 6mm 108 ELDM, 6.5 120, 130, ELDM's, 6.5 140 HpBt, .308 195 HpBt, 208 ELDM (.300 WM). Bullet availability is a big factor. The Sierra 6mm 107 MK bullet is included in the H 4DOF calculator.</p><p></p><p>Seeing actual results with a range finder builds confidence.</p></blockquote><p></p>
[QUOTE="Hugnot, post: 2612650, member: 115658"] I use the Hornady 4DOF calculator with listed bullets, a Magneto chrony, range testing as far as I can shoot, then go out & shoot rodents with range finder and subject rifle whether it be .22-.250 or .300WM. Much field data is recorded in notebook. The Hornady 4DOF calculator does not use BC's. Bullets like the .204 diameter 40 Vmax & 6mm 87 Vmax use the standard ballistic calculator that uses G1 & G7 BC data and despite their modest BC values they are effective at moderate & longish ranges, 400 yards for the .204 & 600 yards for the 6mm. For my shooting needs - steel, rodents, & paper the Hornady ELDM & listed bullets work well. Favorites used with H 4DOF are: .224 75 ELDM, 6mm 105 Hornady HpBT, 6mm 108 ELDM, 6.5 120, 130, ELDM's, 6.5 140 HpBt, .308 195 HpBt, 208 ELDM (.300 WM). Bullet availability is a big factor. The Sierra 6mm 107 MK bullet is included in the H 4DOF calculator. Seeing actual results with a range finder builds confidence. [/QUOTE]
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