Dead on at 100yrds

[deadon]

If I am dead on at 100yds, will I be high or low at 50 yrds?

[skwirl]

Your point of impact will be lower

[wilmsmeyer]

Depends on your speed...of course.

If your are shooting a 1300 fps bullet you will most likely be high at 50 yds with a scope reticle centered 1 1/2" above the bore.

If you are shooting at 4000 fps you may be close to zero at 50 and 100.

there more to your question then the question itself!

[deadon]

Thank you. Once I find a load I always shoot at 50 yd incraments out to the max range I am capable of. I was trying to eliminate one shoot. Should have known better.

[dans]

Most of the loads put through the 50 cal. savage are 1 inch or so high at 50 when sighted on at 100. If you are trying to shoot a deer in the eye that is peering around a tree at you at 50 this could make a difference. You would have to hold just under the eye lashes a slight bit about where the bottom of the eye socket would be. This should center the pupil. Every rifle is different and has to be shot at the range you are anticipating to know exactly where the bullet will land.

[skwirl]

My response of lower was based on the fact we are posting in Modern Rifle and most of the Modern centerfires That I know of well exceed 1300 FPS
Any thing over 2500 FPS will hit low at 50 if sighted in at 100

[dans]

skwirl, Hey man I was just having a little fun not doubting anyone's answer/experience. The only part of my post that should be taken seriously is the last sentence. Most savage muzzys will exceed 1300 f/s by a large margin. Now I am going to have to run a ballistic program just to see how much low at 50 some of my centerfires are. I may want to shoot a deer in the eye someday.

[rjhans53]

If you are shooting factory ammo then you should be able to go to there websites for velocity info. Then plug it in here
www.handloads.com/calc/
and presto everything you wanted to know but didn't (or do) want to know. I even think remington gives you short range and long range trajectories on there ammo.

[pposey]

I'm an inch high at 100 on all my centerfires and that puts me right close to dead on at 50-60 yards,,,,

[deadon]

Thanks once again!!

[wilmsmeyer]

My answer was also based on this question being asked on the modern rifle forum. I would think that this forum covers any centerfire.

Factory 45-70 loads can be as low as 1300-1400 fps and 220 swift loads can approach 4000 fps. Was just trying to cover the bases and the basics.

Scopes can vary in heigth above center of bore...enough to be a major factor....like an AR-15 with a scope mounted on the carry handle vs open sights to demonstrate the extreme.

An opensighted 45-70 may be a few inches high at 50 yds where the Ar-15 may be an inch or 2 low at 50 yds when dead on at 100 yds.

Again, these are the extreme examples? What rifle was deadon shooting?

As an attempt at humor.....if deadon is dead on at 100 yds he is 50 yds away from his questionable range.

[ozark]

With modern deer rifles I have normally sighted in 1 1/2 Inches high at 100 yards. Never worried about ranges shorter like 25,50, 75 etc. because I have known that it would be dooms day for deer at short ranges. Misses due to trajectory curve is often out past the 150 yard range with popular deer rifles. I can't remember a botched job due to trajectory but I have rarely had a chance to shoot over two hundred yards. I hunted with a 30-30 some but considered it just a good 100 yard rifle with iron sights. It was effective and I had a lot of bang flops with one. I sight in my .243 at 140 yards and hold dead on at all ranges short of that. No deer but since it is taking crows I am not worried about the deer.

[cfvickers]

Remington has a calculator designed for their factory ammo that will tell you exactly out to several hundred yards. and they are very close in velocity and ballistic coefficient with most other factory offerings.

My sight in is determined by the guns purpose. My .300 is 3.5 inches high at 100 and I can kill deer without adjustment out to 350 yards.beyond that I hold at the top of their back out to 500.
45-70 is sighted in dead on at 100 6.5x55 1 inch high, because of a very high ballistic coefficient and only reliably kills to 300 yards, 6.5-284 is 2 inches high, same hold as the 300 but to only 400. 500 is my personal limit unless firing from a bench.