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Caliber specific scopes #7309239 10/09/18 12:12 PM
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Dave Davidson Offline OP
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I see them advertised as Cabelas brand in their sales catalog. Make sense? Not sure I understand the idea. Kinda sounds like a solution looking for a problem sales gimmick.


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Re: Caliber specific scopes [Re: Dave Davidson] #7309247 10/09/18 12:23 PM
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They are approximate holds. More often than not, I have seen them be quite incorrect.

Learn Mils, enjoy the ability to adjust as needed, for any cartridge.


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Re: Caliber specific scopes [Re: FiremanJG] #7309258 10/09/18 12:38 PM
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Originally Posted By: FiremanJG
They are approximate holds. More often than not, I have seen them be quite incorrect.

Learn Mils, enjoy the ability to adjust as needed, for any cartridge.


+1. Most common calibers line up nicely for hold overs if you MIL reticle with .5 MIL increments, and it works well with 50 yard increments once you are past 200 yards.

Last edited by scottfromdallas; 10/09/18 12:40 PM.

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Re: Caliber specific scopes [Re: Dave Davidson] #7309327 10/09/18 01:37 PM
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Heck, I understand scopes and adjustments. But then, I also understand sales gimmicks.

I need another scope for one of my rifles a 270, and was doing some looking. On my land, 99% of my shots are 100 yds or less. Dang near anything will do for that range but figure on a Burris FF II.


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Boy, if I say "sic em", you'd better look for something to bite. Sam Shelley, Rancher Muleshoe Texas 1892-1985 RIP
Re: Caliber specific scopes [Re: Dave Davidson] #7309388 10/09/18 02:25 PM
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Originally Posted By: Dave Davidson
On my land, 99% of my shots are 100 yds or less. Dang near anything will do for that range


Agreed


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Re: Caliber specific scopes [Re: Dave Davidson] #7311333 10/11/18 03:59 PM
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Caliber specific scopes - are a joke.


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Re: Caliber specific scopes [Re: booradley] #7311428 10/11/18 06:03 PM
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Originally Posted By: booradley
Caliber specific scopes - are a joke.


Agreed.

To what degree, muzzel velcity, height above or below sea level, grain weight, ect.. ect.. ect..

On some of these guided hunts we have (not SWFA), we have hunters from all over the country come to Gorman to hunt and there are elevation changes that would need to be taken into consideration.

I would see more wounded deer than harvested deer.


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Re: Caliber specific scopes [Re: Dave Davidson] #7311800 10/12/18 01:00 AM
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Heck, Iíll disagree. A caliber specific scope has its uses for the fellows that hunt the same old place year after year, like me. Keep it at reasonable distances for deer hunting and the scope will work fine. But if a fellow hunts those reasonable distances, I could make a case for needing no more than just a plain Jane duplex reticle at 350ish yards or less. Of course that fellow would need to know his rifle and its ballistics. I killed at least a couple hundred deer when I was using a plain duplex. As Iíve said time and again, with my 270 sighted in at 200 yards, itís down 7 at 300 and 20 at 400. Ainít rocket science. But before yaíll get upset, that works for a Ďgenerousí kill zone, which deer and hogs have, but not for a tiny little gopher at 350 or 400. For that, my approach will fail.

A really good shot with a lot of time behind his one-Gun rifle can do some amazing shooting with the bare minimum of technology. Consider Billy Dixon.


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Re: Caliber specific scopes [Re: 603Country] #7312304 10/12/18 04:42 PM
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Originally Posted By: 603Country
Heck, Iíll disagree. A caliber specific scope has its uses for the fellows that hunt the same old place year after year, like me. Keep it at reasonable distances for deer hunting and the scope will work fine. But if a fellow hunts those reasonable distances, I could make a case for needing no more than just a plain Jane duplex reticle at 350ish yards or less. Of course that fellow would need to know his rifle and its ballistics. I killed at least a couple hundred deer when I was using a plain duplex. As Iíve said time and again, with my 270 sighted in at 200 yards, itís down 7 at 300 and 20 at 400. Ainít rocket science. But before yaíll get upset, that works for a Ďgenerousí kill zone, which deer and hogs have, but not for a tiny little gopher at 350 or 400. For that, my approach will fail.

A really good shot with a lot of time behind his one-Gun rifle can do some amazing shooting with the bare minimum of technology. Consider Billy Dixon.


There is some truth there, but there is still a variance unless you have hand-loaded to those specifications.
I don't see factory ammo performing to an exact degree.


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Re: Caliber specific scopes [Re: Dave Davidson] #7312317 10/12/18 04:59 PM
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They have their place in the world, I guess, but I dont use them.
I prefer a mil/mil or MOA/MOA. EIthe rmildot master or strelok or whatever ballistics app suits your fancy, and write the dope down so it's easy to find.

Re: Caliber specific scopes [Re: Dave Davidson] #7312341 10/12/18 05:31 PM
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When we're talking a Mil scope. A whole lot of cartridges and bullets are a .4 to .5 Mil correcting at 200 yards, from a 100 yard zero. A .223 and a .300 Win Mag can be loaded to have a .4 Mil elevation correction at 200 yards.

A whole lot of cartridges are .9 to 1.1 Mil at 300 yards.

The farther out you go, the more things spread out. I have no use for a BDC reticle. They are an approximation, and are wrong more than they are right, past 300 yards. And quite often the 300 yard hold needs to be adjusted, slightly. Meaning go to the 300 yard hold and hold a tad more or a tad less.

The other way to do it, is Mils. Hold the 1.0 Mil diamond, or dot, or hash on the target and shoot. Hold 1.8 Mil on the target at 400 yards, and shoot.

BDC reticles give little help for wind, and wind is the trick...


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Re: Caliber specific scopes [Re: Dave Davidson] #7312348 10/12/18 05:46 PM
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It seems apparent to me that they are a gimmick/crapshoot at best.

Rifles are different. Ammo is different. The same ammo can act differently in different rifles. The same rifle can act differently with different ammo.

So anything that assumes consistency across the board starts out from a flawed premise.


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Re: Caliber specific scopes [Re: Nogalus Prairie] #7312391 10/12/18 06:37 PM
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Originally Posted By: Nogalus Prairie
It seems apparent to me that they are a gimmick/crapshoot at best.

Rifles are different. Ammo is different. The same ammo can act differently in different rifles. The same rifle can act differently with different ammo.

So anything that assumes consistency across the board starts out from a flawed premise.


Absolutely and this is the beauty of FFP mil/mil. No matter the power, caliber, ect..the reticle is 100% relative to the target.

Well stated by the way NP.


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Re: Caliber specific scopes [Re: Nogalus Prairie] #7312510 10/12/18 08:48 PM
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Originally Posted By: Nogalus Prairie
It seems apparent to me that they are a gimmick/crapshoot at best.

Rifles are different. Ammo is different. The same ammo can act differently in different rifles. The same rifle can act differently with different ammo.

So anything that assumes consistency across the board starts out from a flawed premise.


This is true. At 500 yards, a 6.5 with the same bullet could have nearly a 5" difference in impact with just a difference of 100fps, which you could pretty easily encounter with factory ammo. If you were aiming for the neck or even the heart on a whitetail that might be a miss. Yes, 500 is fairly far but well within the realm of the 6.5 and a decent rifle/optic.


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Re: Caliber specific scopes [Re: Dave Davidson] #7312558 10/12/18 09:42 PM
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Honestly, who among us is going for neck or head shots at 500 yards? Keep it at 300 or so, and BDC will work just fine on deer and hogs, and coyotes. For me to be correct, however, a person needs to know what each dot or line means distance-wise and what the shooting distance actually is. And all that means practice and familiarity with the gun and ammo. If a fellow doesnít do that for the correct dope, spending $3000 on a turreted optical marvel wonít get you any further than BDC on a Walmart special.

If you need real precision, turrets are the answer. Iím not arguing against that. My main rifle has a turreted scope, but the turrets are untouched until I see a coyote or hog at 350 or more. I wonít shoot a deer that far out, though it isnít that I canít.

I get that you serious long distance guys love turrets, and I understand why. But for deer hunting at what I consider reasonable hunting distances, turrets arenít needed. Even forum chat about shooting deer at 500 yards makes me worry. There are a lot of wannabe snipers out there that might be inclined to try shots they shouldnít. Iím consoled only by the conviction that they will miss anyway. Probably.


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Re: Caliber specific scopes [Re: Dave Davidson] #7314152 10/14/18 06:32 PM
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While not my favorite, BDC reticles have their place if you know their limitations and can characterize their true impacts vs. advertised. My Leupold B&C reticle scope sits on my 7 Rem Mag and I've walked it out on steel from 100 to 400. They are not exact but I know where it will impact. It worked perfectly on an elk at 373 yds and an aoudad at 370 yds. These are shots I would not have attempted with a standard duplex reticle.

For caliber specific the same would hold true. I've got a couple of Cabelas 22lr scopes that are very close to the advertised 75, 100 and 150 yds when sited at 50.


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