| Equipment & Gear > Guns and Ammo |
| 300 RUM xcr |
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| Intruder:
Bobcat, That's the same Bal Calc I use. It's awesome! |
| BlackTail:
Bobcat, When I use that link you posted I'm not seeing numbers like you said. When I plug in the 7mm sciroccos numbers and use a 325 yard zero, it says I would be 3.1" high at 100 yards, which is where I'm at. However, it says at 225 yards it will be 3.9" high. That's less than an inch of rise where I'm seeing a 3" jump. The link you posted I have been on before as well as others. Remington's website shows less than half an inch difference between 100 yards and 225 yards. I've never used these calculators before, other than just comparing one caliber to another. Have you had pretty good results matching up ballistic calculators to actual ballistics in the field?? |
| bobcat:
Yeah, sorry, I guess the link just takes you to the calculator with the default numbers plugged in. With the numbers I plugged in it comes out to be about 4.5 inches high at 225 yards, when sighted in 3 inches high at 100. So I don't know, that's still pretty close to your actual results. Maybe you're not exactly 3 inches high at 100 yards, or maybe what you think is 100 yards is only 90 yards. What would really tell you something is if you could shoot at 300 or 400 yards and then compare it to the calculator. |
| Ironhead:
Blacktail, I haven't noticed a 3" jump more like an 1", I am 3" high at a 100. Make sure your ranges are dead on or the ballistic charts will be different. 3" jump in 125 yards is pretty drastic. |
| BlackTail:
Ironhead....Yeah I thought 3" in 125 yards was pretty drastic myself. The ranges have all been verified. I have both paced them off and checked them with a range finder. My gun is shooting just under a 1" group at 100 yards so I'm pretty sure that I can say my gun is 3" high at 100 yards. It's shooting and 1 1/2" group at 225 yards so I'm pretty sure I can say my gun is 6" high. If I was spraying bullets all over the place I wouldn't even be asking. The fact that my friends gun did the same thing, is just too weird. I'm going to try and get out to the 400 yard range this weekend (if it's not a monsoon) and see where my gun is hitting out there. At this point I don't know what to make of it?? Thanks for all the responses, though! |
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