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buckbuster_21
11-27-2007, 11:20 AM
Does anyone know what the trajectory of a 25-06 at 400 yards + is with a 75 grain v-max at dang near 3700 fps?

deadkenny
11-27-2007, 11:43 AM
Well, I can't claim to 'know it' by heart ;) but it's easy enough to calculate. If you zero it at 350 yards then the trajectory will rise to max of +5.2" at 200 yards and will drop by -4.3" at 400 yards. From there it starts dropping off rather more quickly and it's down -18" at 500 yards.

faucettb
11-27-2007, 11:44 AM
Welcome to the forum buckbuster. Rules are simple, be nice and join in.

Here's a balistic calculator that lets you play what if for about any load bullet calculation.

http://www.biggameinfo.com/index.aspx?&page=%2fbalcalc.ascx

buckbuster_21
11-29-2007, 11:21 AM
Welcome to the forum buckbuster. Rules are simple, be nice and join in.

Here's a balistic calculator that lets you play what if for about any load bullet calculation.

http://www.biggameinfo.com/index.aspx?&page=%2fbalcalc.ascx


Hey thanks man that helped alot, i want to plan on trying to take out coyotes at 600 give or take. What does ballistics coeffecients mean

Jack Monteith
11-29-2007, 12:00 PM
Ballistic coefficient is a measure of the bullet's drag. The higher the number the less drag and therefore higher downrange velocity. The .257 75 grain V-Max has a B.C of .290. You can look it up on Hornady's site.

http://www.hornady.com/

Bye
Jack

deadkenny
11-29-2007, 01:19 PM
Ballistic coefficient is the product of the sectional density and a factor which represents the 'form' or 'shape' of a bullet. So to get a high ballistic coefficient, you're looking for a bullet that is fairly heavy relative to its diameter or caliber (which is what sectional density measures) and has a good 'aerodynamic' profile.

The BC of the specific bullet you asked about is .290, which isn't great. You'll probably want something higher than that if you're going to be shooting at 600 yards.

rem 700
11-29-2007, 04:08 PM
Take a look at the 87gr bergers...they ought to do great for long range coyotes.

buckbuster_21
11-30-2007, 08:27 AM
Take a look at the 87gr bergers...they ought to do great for long range coyotes.


Thanks alot guys that has helped alot i would love to go to the 87 gr. but our local store only carries 60, 75, 100, so i went with a inbetween grain.

buckbuster_21
11-30-2007, 08:33 AM
Does anyone have a ruger m77 MII 25-06, i just bought a new one and my cousin has shot coyote at up to 650 yards + he is extremely deadly, and how does the mil dot scope system compare to a duplex site which one would you prefer?

buckbuster_21
11-30-2007, 08:34 AM
is there any way that you can convert a marlin mod. 60 22 tube feed into like a ruger 10/22 clip fed. or any way that you can convert it into a clip feed

deadkenny
12-01-2007, 07:50 AM
Thanks alot guys that has helped alot i would love to go to the 87 gr. but our local store only carries 60, 75, 100, so i went with a inbetween grain.

Depending on the particular bullet, the 100 grain might be a better bet. The .25-06 should be capable of propelling even the 100 grain at sufficient velocity, although I'm not sure what the factory loads would be like.

Does anyone have a ruger m77 MII 25-06, i just bought a new one and my cousin has shot coyote at up to 650 yards + he is extremely deadly, and how does the mil dot scope system compare to a duplex site which one would you prefer?

I generally prefer duplex myself. However, if you're particularly interested in longer range shooting, the mil dot does have its advantages. If possible try them out to see what you 'like' better.

is there any way that you can convert a marlin mod. 60 22 tube feed into like a ruger 10/22 clip fed. or any way that you can convert it into a clip feed

It would probably be cheaper to just buy a 10/22, if that's what you want.

buckbuster_21
12-04-2007, 08:08 AM
fantastic ill remember that thanks

MontyF
12-04-2007, 09:46 AM
Blockbuster, before starting to hunt at 600 yards I'd do some shooting at that range. Reason I say that is to avoid fustration it's nice to know where your rifle auctually shoots instead of trusting balistic charts.

An example is my 25-06 shoots right on concerning windage up to 300 yards. At 400 the bullet's yawing to the left over 3", after that it really takes off. The trajectory of my 100 grain Serria Prohunter over 54gr IMR4831 is:

100yds= 2 1/2" high
200yds= 2" high
300yds= 2 1/4" low
400yds= 13" low

I haven't done much range testing over 400 yards since that's my comfort max for my shooting ability.