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Long Range Coyote Hunting - What caliber?

I will be working up a new load and building a new rifle. I want this new rig to shoot 6mm or 6.5mm from 125-150gr at long range. This rig will be mainly for Coyote/Bobcat and some pig. But 99% Yotes and cats.

What calibers do you all use for this situation? And what calibers would you recommend for this new project?
 
00Scot said:
I will be working up a new load and building a new rifle. I want this new rig to shoot 6mm or 6.5mm from 125-150gr at long range. This rig will be mainly for Coyote/Bobcat and some pig. But 99% Yotes and cats.

What calibers do you all use for this situation? And what calibers would you recommend for this new project?

If you insist that the lower limit of bullet weight is 125 grains, then you have eliminated the 6mm bore size. That leaves the 6.5mm.

Since you have eleventy million 308 Lake City cases, then the obvious answer is a 6.5 based on the 308 family of cases... so a plain .260 Rem, or a .260 AI is just about all you can do.

I prefer the 264 WM with 90gr V-Max's myself.
 
CatShooter said:
00Scot said:
I will be working up a new load and building a new rifle. I want this new rig to shoot 6mm or 6.5mm from 125-150gr at long range. This rig will be mainly for Coyote/Bobcat and some pig. But 99% Yotes and cats.

What calibers do you all use for this situation? And what calibers would you recommend for this new project?

If you insist that the lower limit of bullet weight is 125 grains, then you have eliminated the 6mm bore size. That leaves the 6.5mm.

Since you have eleventy million 308 Lake City cases, then the obvious answer is a 6.5 based on the 308 family of cases... so a plain .260 Rem, or a .260 AI is just about all you can do.

I prefer the 264 WM with 90gr V-Max's myself.

Thank you for the heads up. I didn't even think about that. And that is why I ask these questions. So I don't over look something like that. Since I do not have nor do I currently shoot anything in the 6-6.5 range I am not that familiar with the bullet ranges and options. I need to read up on them. Thank you.

I could drop to 100gr. But would prefer something heavier in case I use it for pig. I could get away with a 100 for pig, but just barely for a larger one. I would like this one gun to do it all. From Coyote to deer and pig. I know a 100 will handle the first two, I just worry about encountering a larger pig and being under gunned for it with only a 100gr.
 
I wouldn't want to be a pig in front of a 100 grain slug, there is a guy on here that regularly post of his pig hunting with a .22 hornet, a 105 VLD out of a .243 would stop a big pig in a hurry, my son shot a bear with his 6brx and a 107 Sierra @ 605 yards, one shot one kill. No offense but I think your getting your cart ahead of your horse. Anything you build off the .308 will shoot fine and will easily kill a hog. Everybody's idea of long range is different, what is your idea of long range?
Wayne.
 
What 699 said - a 243 with a 100gr Corelokt (or equivalent) will splat a pig just fine.

Pigs scare me and I use a 35 Rem lever gun.
 
I would strongly consider the 6mm Super lr or 6.5 super lr. I dont currently own them but have done some research and am impressed. The 6mm is based off the 243win and the 6.5 is based off the 260. They brass is extremly easy to make and different reamer options are available. If any one has any input on these please share with me.
 
bozo699 said:
I wouldn't want to be a pig in front of a 100 grain slug, there is a guy on here that regularly post of his pig hunting with a .22 hornet, a 105 VLD out of a .243 would stop a big pig in a hurry, my son shot a bear with his 6brx and a 107 Sierra @ 605 yards, one shot one kill. No offense but I think your getting your cart ahead of your horse. Anything you build off the .308 will shoot fine and will easily kill a hog. Everybody's idea of long range is different, what is your idea of long range?
Wayne.

Thank you for the examples of what different bullet weights have done for you.

I consider 200-500 intermediate. For me Long Range is out past 500.
 
LawrenceHanson said:
Well, when putting together your new rig, you might wan to consider the following factual information:

This is a Remington Model 700 with a Hart barrel chambered for the 7mm Magnum cartridge fitted with a Leupold 8.5-25 power scope. We use Sierra 168 MK bullets in it and specifically for long distance coyote hunting.

My hunting partner and I only hunt during the winter months when the fur is prime. We have been hunting together for three years and use hand calls exclusively. We have developed the ability to communicate without speaking. I carry a 22-250 and he carries the 7mm Magnum. He does most of the calling and I do most of the shooting. The majority of our shots come from 200 to 300 yards. He takes any shot over 300 yards and I take all those less than 300 yards. We use a laser rangefinder to verify the distance of the local features prior to calling. We are typically in sitting positions using cross sticks for support. We hunt from established stands and will call for 20 to 30 minutes. Coyotes we hunt typically do not stand still long enough for us to range find them. We range find the local terrain and then try to remember that information when the coyote shows up. We use our drop charts taped on our rifles to estimate the hold over and judge the wind the best we can. We carry our kills out in a decoy bag with shoulder straps. One guy caries the coyote and the other carries the rifles.

LE Hanson

7mm03.jpg


7mm09.jpg

I hunted Coyote for a number of years. I stopped hunting for the last 10 years or so to pursue other hunting avenues. My hunting partner and I have a very similar set up. Except He shoots a 243AI and I now shoot a 22-250.

When I started hunting Coyote I used my Rem700 in 308. I built it as a M40A2 clone and it turned out to be a real good shooter. I also have my drops on a range card attatched to my buttstock and I have my holds for my mils out to 1000. I put a 6.5-20x50 Premier Reticle Leopold M1 Mil dot on it. Which is a great scope for target shooting and for long range hunting. But after one season I decided to switch to a smaller caliber simple because the 308 just wasn't needed. At all. And the 308 would damage the fur. I have a great recipe for 175smks and got lucky because she would shoot the Fed Gold Medal Match with the 165gr mks real well. So I have both a killer handload as well as a factory load that I could shoot with confidence.

But I mainly switched because the field of view was so extremely small on the minimum magnification of 6.5 on that scope that I was having trouble picking up the dogs when they came in real close. As long as I could follow them in I was fine. But if the dog ended up popping up under 100 yards which as you know they will sometimes do I would sometimes have trouble locating it in my scope under the lowest magnification. We also did a lot of night hunting so the 6.5-20 turned out to be a less then desirable choice for that style of hunting. What I needed was a scope with a much lower starting magnification.

So the next season I took my 22-250 and put a 2.5-10 power scope on it and it turned out to be the perfect choice. As a team my partner and I hunt the same way you do except we each cover a specified field of fire and which ever area the target comes in at is who gets the shot. Unless we are night hunting, then that is a whole nother story.


The reason I am looking for a new caliber is because I want something that is in between my 308 and my 22-250. I have the 22-250 which fills its role real well, as does the 308. I just want something in between those two cartridges that will cover both ends of my hunting spectrum. Something with less recoil then the 308 and more/better terminal ballistics down range then the 22-250, and because I do not own anything in the 6-6.5 range. An excuse or reason to buy a new gun is never a bad thing!
 

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I chose the 6-284 shooting 105-107 grain bullets. Recoil isn't bad and the trajectories are outstanding. I'm not sure how the "match" type bullets will perform on the pelts, but around here they aren't worth much anyway. I have been really struggling with everything involved from necking down the brass to getting a load nailed down but these problems have been of my own doing, so don't let that deter your decisions. I am getting everything sorted out now with the help of people on this forum and should be up and going anytime now.
Jason
 
At the risk of being called a "fashion follower", you might consider a 6.5x47L. It has adequate legs, certainly the inherent accuracy and isn't a barrel-eater. Some 120 TTSXs would level pigs and a more frangible bullet for smaller stuff maybe.

I use a .223 for close varmints and have a decent single shot 6.5L for the longer stuff. It walks all over the .223 past 250yds.

Chris-NZ
 
To me I keep thinking long range and 6MM Rem AI and 6-284 pop in my head. But I had a 257 Roberts AI in an Encore pistol that was awsome. With the right tube length it would be great with 80-100 gr bullets and it should do pretty good on barrel life. One note: all of the above would require fire forming.

The old trusty .243 with a 55gr NBT or a 58 V-max in a 12-14 twist would not--and it ain't no slouch
 
243 win. Brass is always in stock, good selection of bullets, and the heavy bullets will reach way out and do the job. I have a 22-250 also and have killed a pile of coyotes with it , but the 243 has all but retiered that rifle because of what it can do over 500 yards that the 22-250 with stock rifle twist can't.
 
I like the 6.5x47 lapua suggestion, I have wanted one for quite awhile but haven't gotten around to it yet. Another interesting option to me anyway, would be a fast twist 22-250 shooting a 75 Amax or similar bullet it puts the 22-250 into a whole new class.
Jason
 
Walking Rifle ? 6mm choices would be (for me) in no particular order 243, 243 AI, 6x47 L, 6-250, using 85-95 gr BT's /VLD's 24-26" 10 TW, LV contour BBL. 6.5's would be 6.5x47 L, 6.5 Creedmoore, 260 Rem with 108-123gr bullets same 24-26" 9 TW, LV taper. You may question the use of the medium weight bullets in both cals. Answer: they don't eat up case capacity as the heavier 100gr+6mm's or 130gr+ 6.5's do in a magazine fed rifle. the BC's in these weights are adequate for your uses .
 
CJ6 said:
Walking Rifle ? 6mm choices would be (for me) in no particular order 243, 243 AI, 6x47 L, 6-250, using 85-95 gr BT's /VLD's 24-26" 10 TW, LV contour BBL. 6.5's would be 6.5x47 L, 6.5 Creedmoore, 260 Rem with 108-123gr bullets same 24-26" 9 TW, LV taper. You may question the use of the medium weight bullets in both cals. Answer: they don't eat up case capacity as the heavier 100gr+6mm's or 130gr+ 6.5's do in a magazine fed rifle. the BC's in these weights are adequate for your uses .

Very well put and thought out in my opinion, for the op's intended purposes I couldn't agree more.
Wayne.
 
CJ6 said:
Walking Rifle ? 6mm choices would be (for me) in no particular order 243, 243 AI, 6x47 L, 6-250, using 85-95 gr BT's /VLD's 24-26" 10 TW, LV contour BBL. 6.5's would be 6.5x47 L, 6.5 Creedmoore, 260 Rem with 108-123gr bullets same 24-26" 9 TW, LV taper. You may question the use of the medium weight bullets in both cals. Answer: they don't eat up case capacity as the heavier 100gr+6mm's or 130gr+ 6.5's do in a magazine fed rifle. the BC's in these weights are adequate for your uses .

I agree, I like your choices as well. I have another thread in the all calibers section asking about which caliber to do on a conversion using the 308 as the parent case. from that thread I'm leaning towards the 260AI for the conversion. But I will also be coming into possession of a Howa in 243 real soon. At least that is the plan. But I would like something "a little less every mans caliber" so I might just re chamber that one as well.

This is a dumb question but I don't know the answer so I will ask it anyway. Does anyone know if a standard 243 be pushed out or reamed to a 243 AI? Never heard of doing that so I don't know if it is possible. It would be a shame to just toss out a new 243 brl just to rechamber it to an AI.
 
Have your Smith set your BBL back a couple threads and rechamber to the AI. Set your brass to a SLIGHT crush fit (when closing on a sized empty case with firing pin removed) and your good to go.
 
Is there a rule of thumb as far as the amount of velocity you pick up when Improving a cartridge? Meaning does it translate to an average percentage of the original cartridge velocity that you will gain by turning any standard caliber into an "AI"?

Or is it more of a case by case situation. Which is what I would assume.
 

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