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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles
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crkennedy1
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Reged: 05/12/08
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Loc: Utah
What's the drop on a 375 H&H at 300 yards?
      #145948 - 15/11/09 04:47 PM

I headed up into the mountains this morning and shot a cow elk to fill the freezer with meat for the winter and decided to bring my "big bore" 375 H&H along. It's a Browning A-Bolt with the Boss and I was shooting Federal Power Shocks 270 gr. At about 150 yards I took a shot at the elk and got it good in the right front leg. It then ran out to about 300 yards, and I couldn't hit that darm animal for the life of me! I must have unloaded three clip of shells and never hit it once. Finally, I was able to sneak up on it and at about 125 yards I put it down for good.

When I sighted the gun, I had it zeroed at about 1" high at 100 yards. Can any of you tell me what the problem was? How much drop does the 375 H&H in 275 gr. have at 300 yards? By the way, here's a picture of me and the elk (sorry if it's a bit graphic - I'd just finished cleaning it):



Thanks, Christopher

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gryphon
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Re: What's the drop on a 375 H&H at 300 yards? [Re: crkennedy1]
      #145951 - 15/11/09 06:11 PM

some interest here complete with tables. Plus its worth a look at "interesting rifles" linked below as there are some "wow factors" included.

http://www.vincelewis.net/375hh.html

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Get off the chair away from the desk and get out in the bush and enjoy life.

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JabaliHunter
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Reged: 16/05/07
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Re: What's the drop on a 375 H&H at 300 yards? [Re: gryphon]
      #145971 - 16/11/09 12:27 AM

A zero of 1" high at 100 with average 270gr factory loads should be about spot on at 150 and showing a drop of around 15" at 300.

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9.3x57
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Reged: 22/04/07
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Re: What's the drop on a 375 H&H at 300 yards? [Re: JabaliHunter]
      #145973 - 16/11/09 01:13 AM

Jabali is on. Somewhere around 15 inches low according to my Hornady tables, too.

cr; don't rely on our trajectory tables, tho. Shoot it at 300 so you know. We have found the books to be off especially when using different bullets than those shown, but even when bullets are shot that are shown in the tables, it just doesn't work out always.

Shoot from field positions, too, as that alone can have an effect on zero.

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What are the Rosary, the Cross or the Crucifix other than tools to help maintain the fortress of our faith in Jesus Christ, the Son of God?

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crkennedy1
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Reged: 05/12/08
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Re: What's the drop on a 375 H&H at 300 yards? [Re: 9.3x57]
      #145977 - 16/11/09 02:16 AM

Wow 15" drop at 300 yards - that's amazing! No wonder I missed it at that distance. Thanks you guys for the information!

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DarylS
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Re: What's the drop on a 375 H&H at 300 yards? [Re: crkennedy1]
      #145983 - 16/11/09 04:17 AM

I am glad you ran the elk down and managed to collect it. Started off pretty nasty with a 'lousy' not good, leg hit.

Here, at 2,000ft. ASL, I find most bullets shoot flatter than the 'books' show - for the same bullet.

If you hold the gun on the bags, both hands' as if you were shotong offhand, resting the front hand on the bags for steadiness only, the zero' will usually translate to field postions, where the gun is held in both hands.

Shooting of the bags as I see 'non-shooters' often do at the range, with one hand on top of the scope to supposedly steady the gun, will usually show different point of impact than when shooting in 'field' postitions - especially a rifle that kicks a bit. This difference in point of impact can amount to 3", or even more at 100 meters. This means that the bullet is at least 9" different at 300 meters, so the 'book's 15" drop is actually closer to 24". That's just vertical difference - most guns shoot to one side or the other when shot 'bouncing' on the bags, as opposed to 'held' on the bags by both hands. My own .375H&H prints 3" right and 1 1/2" higher if allowed to bounce on the bags as opposed to holding it in both hands as if shooting offhand. Depending on which way the animal is facing, that could produce a gut shot, leg hit or miss on a deer at 150 yards, let alone further out.

We owe it to the animals we hunt to do a good job of it. That means practise out to the maximum range we are going to shoot an animal at. It also means using a range finder to know exactly what the range is and NOT shoot when the animal is beyond the range we practise. When an animal is 200 or more yards away, there is always time to 'range' it.

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Daryl


"a gun without hammers is like a Spaniel without ears" King George V

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EricD
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Re: What's the drop on a 375 H&H at 300 yards? [Re: 9.3x57]
      #145987 - 16/11/09 05:12 AM

Quote:

Shoot it at 300 so you know. We have found the books to be off especially when using different bullets than those shown, but even when bullets are shot that are shown in the tables, it just doesn't work out always.

Shoot from field positions, too, as that alone can have an effect on zero.



That's my experience too.

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Ripp
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Re: What's the drop on a 375 H&H at 300 yards? [Re: crkennedy1]
      #146032 - 16/11/09 12:33 PM

Quote:

Wow 15" drop at 300 yards - that's amazing! No wonder I missed it at that distance. Thanks you guys for the information!



IMHO, you still should have connnected had you made an accurate shot--an adult elk is much more than 15" from back to botton of chest..minimum of 24 to 28 or so would be about correct I believe...
min
Agree with Darryl, aweful lucky to recover that cow with a leg hit..good think is, you stuck with it and did not give up...

Finally, I NEVER sight in a rifle when elk hunting at 1" high--never less than 2 and usually 3 on all my elk guns--factory ammo --2" high--you would have only been around 8 to 9 low..or 3" high at 100--you would have been golden..but again as Darryl mentioned..whatever you sight in at--practice a lot with that setting at various ranges--I have my ballistic tables taped with to my scope covers or on the side of the stock..

Ripp

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DarylS
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Re: What's the drop on a 375 H&H at 300 yards? [Re: Ripp]
      #146067 - 17/11/09 05:30 AM

Ripp - I agree that taped on drop figures are worthwhile. When I hunted with a .50 and 2-1/10".45 Rolling Blocks and 3-1/4" .45 cal. Sharps, I had the actual drop figures taped to the off side of the butt stock, so a quick check with a range finder would show me sight settings for longer shots. The saem system works extrememly well for gopher shooting with the .17's. The drop chart works well and helped me anchor a moose at a range further than I'll shoot one today with a modern rifle. I was young then. There are many things that can go wrong with long shots - wind being only one of them.

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Daryl


"a gun without hammers is like a Spaniel without ears" King George V

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crkennedy1
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Re: What's the drop on a 375 H&H at 300 yards? [Re: DarylS]
      #146070 - 17/11/09 08:32 AM

I had actually practiced quite a bit before going out, so I was really quite shocked that I wasn't hitting the animal. What about the boss on the end of the gun. If that was knocked off, would that have an effect on accuracy?

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9.3x57
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Re: What's the drop on a 375 H&H at 300 yards? [Re: crkennedy1]
      #146102 - 18/11/09 01:10 AM

Quote:

I had actually practiced quite a bit before going out, so I was really quite shocked that I wasn't hitting the animal. What about the boss on the end of the gun. If that was knocked off, would that have an effect on accuracy?



Couple things.

First, yes, if the Boss is changed or removed, POI may change.

Also, practice should involve known distance shooting to the extreme range of shots you will fire. We spend little time on the bench, and use it for what I call rough-zeroing the rifle only, then get on the ground and shoot from sitting, mostly, and kneeling and some close range standing. Such a routine also teaches the limitations of the shooter. This last bit is important, because all of us have different skills and comfort levels with a rifle. Knowing what YOUR limit is, is far more important than knowing what your RIFLE's limit is. Most rifles shoot better than we do...

Taping the trajectory on the stock is not necessary for big game with many high velocity rifles, but it sure does help morale {I do it on some slower round calibers and varmint guns}, especially if you have a range finder and have shot your rifle enough to set up a table that includes 50-meter increments all the way out to say, 450 meters or so. Past 300 every 50 meter change in distance can have a very pronounced impact on POI. That's why some of us prefer to use 300 as a max range for big game shooting. Sighted right and depending on bullet/load, even with a .375 H&H Magnum, no holding over the animal is required even at 300 if the animal is a big deer or elk or moose.

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What are the Rosary, the Cross or the Crucifix other than tools to help maintain the fortress of our faith in Jesus Christ, the Son of God?

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crkennedy1
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Re: What's the drop on a 375 H&H at 300 yards? [Re: 9.3x57]
      #146108 - 18/11/09 05:20 AM

Good information - thanks. I guess I'll resist the temptation to sell the gun.

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MKresinske
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Reged: 23/02/08
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Loc: NY, USA
Re: What's the drop on a 375 H&H at 300 yards? [Re: crkennedy1]
      #146177 - 19/11/09 01:02 AM

Ripp is right! I shoot the 270gr Federal power shoks in my 375 H&H Browning A bolt(No Boss) sighted 3 inches high at 100yrds, you are good dead on out to 300yrds. I have proved that to myself in Utah with Elk, Whitetails in NY and PA, Antelope in Wyoming and plainsgame in Africa. the key is to get off the bench and practice, practice, practice in every conceivable way possible!

Good luck.

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crkennedy1
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Re: What's the drop on a 375 H&H at 300 yards? [Re: MKresinske]
      #146185 - 19/11/09 02:23 AM

MK - sounds like you should be out here hunting with me, and get yourself away from Hallary & Mr. Bloomberg...

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MKresinske
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Re: What's the drop on a 375 H&H at 300 yards? [Re: crkennedy1]
      #146318 - 21/11/09 02:59 AM

crkennedy1 - I love hunting in the West. We hunted cow elk in Utah near Coalville in Jan 2008,It was spectacular on the snow covered mountains. Then hunted near Buffalo Wyoming in Oct 08 for Antelope and Mule deer. Got caught up in an early winter storm, but that just added to the experience. Nothing like it. Except of course hunting anywhere in Africa !!!!!

I am trying to get my wife to let go of the purse strings. After Africa 09, she has a pretty tight grip on them. When she does, I will be heading out West again. I have never hunted Montana, so that is probably my next destination in 2010.

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