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Most Accurate big bore for less than $20K

A

AIorBust

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Minuteman
Jul 18, 2012
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I'm in the early stages of planning my next long range rig. Any and all insight would be appreciated.

It needs to shoot 2500 Yards+ and be 1/2 MOA. And in a package less than 35lbs.

I like the .408 and the .416 because they can buck the wind better than a 50BMG and ammo components are easy to find.

McMillan does have a 416 but I haven't heard much about the accuracy.

There is the Intervention but I've read nothing positive and many a horror stories.

This leads me to a custom job. And I'm clueless about that.
One of my friends has a custom BR rifle with a tight chamber of .003 but I have some concerns on how well something like this would hold up in harsh environments.

I don't want to build a pretty boy rifle that would jam in a sand storm or in the arctic. but one that's as reliable as it is accurate.

Thanks
 
Re: Most Accurate big bore for less than $20K

I would say that's more than 350 Lbs... and more like $200K-2M
 
Re: Most Accurate big bore for less than $20K

There is a guy on here named VJJPUNISHER. If anyone would know about long range I am pretty sure he can help out. I know with some hints and tips from his long range days 1/2 MOA is easily obtainable.
 
Re: Most Accurate big bore for less than $20K

does it have to be mounted on a remote operated turret that's bolted inside your dodge caravan?
TJKPvmock-3.jpg
 
Re: Most Accurate big bore for less than $20K

lol

Man that was a great movie... Time to watch again!! Thanks
smile.gif
 
Re: Most Accurate big bore for less than $20K

Check out the Barker Machine works 375 Chey Tac. It is a very long range rifle. Depending on the barrel taper, you can get down to around 15lbs. This will get you the range and weight you want.
 
Re: Most Accurate big bore for less than $20K

such a quest is not only a caliber question, but an optics question... how much can you see at that distance, with a 50mm-ish objective lens...?
 
Re: Most Accurate big bore for less than $20K

That's easy! I'm a huge fan of S&B. I have a 5-25X 56 and I can see out to 2K but for this rig I would step up to a 12-50x 56.
 
Re: Most Accurate big bore for less than $20K

yeah I have the same, and the mirage at 2K is significant. Haven't even tried looking out to 2500. You can go for 50x but with same size objective lens, alot less light will be making it to your pupil, and the mirage etc will be worse as well.

I have a pretty good spotting scope, much larger than 56mm and I usually come off of 60x back to around 30x for spotting. At 60X the image is bit fuzzy and again the mirage is tough.
 
Re: Most Accurate big bore for less than $20K

You gonna have trouble holding half min at 2500 yds, it should be fairly easy to do here on the internet but once you get in the field I think yoosa gonna have trouble.
 
Re: Most Accurate big bore for less than $20K

He may have trouble, but it may be doable. Remember, all of the progress in our society has been caused by unreasonable people, because they refused to accept what there were told could not be done. And most of those unreasonable people were given all kinds of crap for even suggesting that certain things could be done. But some learned to, or figured out how to do those things anyway. It is a good thing that they did not listen to the naysayers; if they had, we would still be back in the Stone Age.
 
Re: Most Accurate big bore for less than $20K

Nobody can guarantee 1/2 MOA build at 2500 so right there he is in trouble. 12 1/2 inch group at 2500 is an awful small group haha. The other challenge will be most of you bigger calibers that are better at those ranges like the Cheytacs and 416 Barrett etc are 3/4 to 1moa type rounds to 1000 so you know out to 2500 that is going to open up even more.

Finding a caliber to shoot to 2500 isn't that hard today one that will hold 1/2 MOA at that distance will be a SERIOUS challenge and let's not forget shooter will play a big role here to as well as atmospheric conditions every time he pulls the trigger on a target out to 2500

It's the expectation to have the ability to hit a 12 1/2 inch piece of steel consistently at 2500 yds that makes his request a little bit of a stretch.



 
Re: Most Accurate big bore for less than $20K

i have been requested to give you the answers you seek. And since I have been a Sniper for the local Mall for almost 87 years now I have seen it all, and have just the build for you.

here's what ya do, get yourself a russian M44 cheap, right out of a barrel at local drug store. follow this guys build specs, with the exception of the barrel which I will explain after you check out his build.

http://www.snipershide.com/forum/ubbthreads.php?ubb=showflat&Number=3443927#Post3443927

now follow that spec sheet to the T, scope, mount and all. from there your gonna hafta contact Ken Lin, he's the only one I know that will do this custom barrel work. Tell him you want to order the "deep service tokyo drift" package, he will know what it is. Basically what it is is a bartlein match blank that is 1,000 yards long, #2 pencil contour with deep flutes, will weigh just under .004 ounces, and chambered in 7X105. 7X105? you say, yup thats what i said, its a 105mm howitzer case necked down to 7mm.

now with a 1,000 yard long barrel that 2,500 yards is reduced to 1,500 yards, 1/2 MOA is WAY more achievable this way. Send the parts to Ken Lin and he will install and do all the barrel work, this package is truly a phenominal rifle, good luck!
 
Re: Most Accurate big bore for less than $20K

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: VJJPunisher</div><div class="ubbcode-body">i have been requested to give you the answers you seek. And since I have been a Sniper for the local Mall for almost 87 years now I have seen it all, and have just the build for you.

here's what ya do, get yourself a russian M44 cheap, right out of a barrel at local drug store. follow this guys build specs, with the exception of the barrel which I will explain after you check out his build.

http://www.snipershide.com/forum/ubbthreads.php?ubb=showflat&Number=3443927#Post3443927

now follow that spec sheet to the T, scope, mount and all. from there your gonna hafta contact Ken Lin, he's the only one I know that will do this custom barrel work. Tell him you want to order the "deep service tokyo drift" package, he will know what it is. Basically what it is is a bartlein match blank that is 1,000 yards long, #2 pencil contour with deep flutes, will weigh just under .004 ounces, and chambered in 7X105. 7X105? you say, yup thats what i said, its a 105mm howitzer case necked down to 7mm.

now with a 1,000 yard long barrel that 2,500 yards is reduced to 1,500 yards, 1/2 MOA is WAY more achievable this way. Send the parts to Ken Lin and he will install and do all the barrel work, this package is truly a phenominal rifle, good luck! </div></div>


+1
Also ask about the free GAP 1911 with any special order over $15K.
 
Re: Most Accurate big bore for less than $20K

I know that wind will play a huge role in the accuracy. What I'm looking for is a rifle that can hold 1/2 MOA in a perfect world with no wind. So that 12.5in at 2500 yards is from the top impact to bottom impact and ignore the left and right that could be caused by a slight breeze.
 
Re: Most Accurate big bore for less than $20K

The 375 CT with 350 grain lathe turned bullet will give you your best chance of coming clost to that mark. You will also need a good ballistic computer, unless your are good at trig and calculating the corialis effect. Pratice, pratice, pratice will be how you get it done. And keep a detailed dope book..good luck
 
Re: Most Accurate big bore for less than $20K

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Augustus</div><div class="ubbcode-body">You gonna have trouble holding half min at 2500 yds, it should be fairly easy to do here on the internet but once you get in the field I think yoosa gonna have trouble. </div></div>

Augustus

You're a man near and dear to my heart!!
grin.gif
crazy.gif
 
Re: Most Accurate big bore for less than $20K

If you restrict yourself to one shot groups, you should be fine.
 
Re: Most Accurate big bore for less than $20K

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: CoryT</div><div class="ubbcode-body">If you restrict yourself to one shot groups, you should be fine. </div></div>

BWAHAHAHAHAHA
 
Re: Most Accurate big bore for less than $20K

Yep, and you better get some really consistent ammo, 5 fps deviation in velocity will give you around 9 inches of vertical with the 375 load I have been shooting.

If consistent half minute accuracy is ever achieved at 2500 yds with a man portable shoulder fired weapon, it will be using a guided projectile.

Cory on occasion has offered to risk 3000 USD to folks that have made claims he thought was not doable. I suspect he would be willing to sponsor an event where the the shooter would fire at a round 12.5 inch metal disk at 2500 yds. For every shot that hits the disk Cory would hand the shooter 100 USD, for every shot that missed the plate the shooter would hand Cory 100 USD.

If Cory isn't interested in such a contest I would take his place. I think I would risk 5000 USD on such a contest.

Notice, the range must be swept for unauthorized shooters with suppressed rifles at ranges nearer to the target.

I'm fifty seven yrs old. This offer is good until I'm 102 yrs old or upon my death, whichever comes first. Now you boys get to work and perfect the system.
 
Re: Most Accurate big bore for less than $20K

Oh, guided or gps assisted systems are not allowed to participate.
 
Re: Most Accurate big bore for less than $20K

It sure got quiet all of a sudden. Any takers.
 
Re: Most Accurate big bore for less than $20K

Even if the rifle - bullet system grouped well at the longer ranges, the very long flight time of the bullet and changing conditions between the rifle and the target would probably mean that the shooter would be paying out alot of money.
 
Re: Most Accurate big bore for less than $20K

Yep, I'm getting .75 percent on CDs I think I could get a better return if I could find someone to play the game with me.
 
Re: Most Accurate big bore for less than $20K

I hope someone has a good suggestion so that I can do some mods to it and hopefully reach the goals for my next build.
I want 1/4 MOA at 5K yards but it might be difficult because I need a loose chamber that can handle operating on Mars as well as underwater. I'll probably need to flute the barrel, bolt, action, stock, and bipod to get it under 6 lbs.
 
Re: Most Accurate big bore for less than $20K

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: EODWay</div><div class="ubbcode-body">I'm in the early stages of planning my next long range rig. Any and all insight would be appreciated.

It needs to shoot 2500 Yards+ and be 1/2 MOA. And in a package less than 35lbs.

I like the .408 and the .416 because they can buck the wind better than a 50BMG and ammo components are easy to find.

McMillan does have a 416 but I haven't heard much about the accuracy.

There is the Intervention but I've read nothing positive and many a horror stories.

This leads me to a custom job. And I'm clueless about that.
One of my friends has a custom BR rifle with a tight chamber of .003 but I have some concerns on how well something like this would hold up in harsh environments.

I don't want to build a pretty boy rifle that would jam in a sand storm or in the arctic. but one that's as reliable as it is accurate.

Thanks
</div></div>

f069ad45_epic_facepalm_by_rjth.jpg
 
Re: Most Accurate big bore for less than $20K

With a loose chamber, IMHO, you will not even get 1/4 MOA at 500 yards. If you are to have any hope of your original standard of 1/2 MOA at 2.5k yards, you will need at least a fairly tight chamber, probably a match grade chamber. I also suspect that your desired weight of under 6 lbs. will make it even harder to get the accuracy you are asking. Melvin Forbes at New Ultra Light Arms builds some of the most accurate super-light hunting rifles in the world (some of them well under 6 pounds); you might want to talk with him. Mike Rescigno at Tac Ops build some of the most accurate rifles in the world, but they do not weigh under 6 pounds. They do weigh well under 35 pounds.
smile.gif
He will guarantee 1/4 MOA at 100 yards with Federal GM308M in his Tango 51. I don't think he will guarantee the accuracy you are asking, though.
 
Re: Most Accurate big bore for less than $20K

Deleted
 
Re: Most Accurate big bore for less than $20K

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Augustus</div><div class="ubbcode-body">Yep, and you better get some really consistent ammo, 5 fps deviation in velocity will give you around 9 inches of vertical with the 375 load I have been shooting.

If consistent half minute accuracy is ever achieved at 2500 yds with a man portable shoulder fired weapon, it will be using a guided projectile.

Cory on occasion has offered to risk 3000 USD to folks that have made claims he thought was not doable. I suspect he would be willing to sponsor an event where the the shooter would fire at a round 12.5 inch metal disk at 2500 yds. For every shot that hits the disk Cory would hand the shooter 100 USD, for every shot that missed the plate the shooter would hand Cory 100 USD.

If Cory isn't interested in such a contest I would take his place. I think I would risk 5000 USD on such a contest.

Notice, the range must be swept for unauthorized shooters with suppressed rifles at ranges nearer to the target.

I'm fifty seven yrs old. This offer is good until I'm 102 yrs old or upon my death, whichever comes first. Now you boys get to work and perfect the system.
</div></div>

Bring the 12.5" disk into 1500 yds, and I believe you/Cory would still be money ahead, given a no sighter/first round-hit scenario. It is a good fund raiser idea IMO.
 
Re: Most Accurate big bore for less than $20K

You could check out blackdiamondrifles.com. I know absolutely nothing about them other than the guy specializes in extremely long range rifles, and I seem to remember something about him winning some benchrest competitions somewhere.
 
Re: Most Accurate big bore for less than $20K

"The 375 CT with 350 grain lathe turned bullet will give you your best chance of coming clost to that mark. You will also need a good ballistic computer, unless your are good at trig and calculating the corialis effect. Pratice, pratice, pratice will be how you get it done. And keep a detailed dope book..good luck"

... I've heard, almost, that excact same thing. Oh yeah, Markie Mark said that to SGT Murtaugh last night when I watched Shooter.
 
Re: Most Accurate big bore for less than $20K

+1 on the 338 snipetac

I went shooting with a guy that had one out to over 1900 Yards and it was shooting a solid 3/4 MOA vertical spread. The wind was gusting 20-40+MPH so I ignore any L/R.

The 300gr bullets were going into a big rock about 6 inches deep!!

My 225gr bullets from my AI in 300 Win Mag were just taking a little chip out of the rock!
 
Re: Most Accurate big bore for less than $20K

Six inches, hmmm, Uh, umm, oh never mind.
 
Re: Most Accurate big bore for less than $20K

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: sr90</div><div class="ubbcode-body">Desert Tactical Arms HTI 375CT.
smile.gif

</div></div>
HTI 50 BMG 107yds
465240_410479308982817_788277298_o.jpg

 
Re: Most Accurate big bore for less than $20K

I think if someone wanted to wildcat a 416 Barrett to .375, it may have some good potential, however, regardless of the cartridge, I agree with statement that Augusts made about deviation, and actually pulling off a 6", 5 shot group consistently at 2500 yards would be something to see. Has it ever been accomplished?? I have seen those types of groups to 1500 yards with a .375 Cheytac, but to that distance I think the variables really begin to stack.
 
Re: Most Accurate big bore for less than $20K

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: EODWay</div><div class="ubbcode-body">Interesting...

http://www.deserttacticalarms.com/dta-hti-sniper-rifle-chassis.html


If anyone has one of these in the Salt Lake City area and wouldn't mind showing it to me please PM me. </div></div>

I wanna say they're based out of Salt Lake City, so you may be in luck. I have the SRS in 308 and 300WM, and it's a helluva system let me tell you. Zero horizontal switch on barrel changes, vertical stringing only, and that's just because of the different zeros for different calibers.
 
Re: Most Accurate big bore for less than $20K

The challenges of half minute accuracy at 2500 yards are overwhelming. The variations acting on the projectile become more serious with each unit of distance. Even if you use return to battery testing platforms (which I have a lot of experience with) you will still not meet your goals. You want both accuracy (hit a point) and precision (grouping ability) in the same package. Maximum precision typically comes from tight chambers with turned necks. This conflicts with your need for field function which calls for loose fits so the rifle can fire. The real world is not a perfect world. You will have to shoot through conditions that vary and wind drift is not your only problem at that range. Even finding a baseline zero will be extremely difficult. How would one know the conditions were perfect for the entire distance? You might have zeroed for a condition that you could not see. The next time you go out will be a new day in unpleasant ways. Even your pointing device (your scope) will give you problems. The width of your crosshairs will cover up a lot of target at that range. I would encourage anyone with thoughts of a 2500 yard rifle to actually shoot at that range. A few hundred rounds fired down range will be far more educational than anything you can read. The day of guided projectiles is rapidly approaching and that will change everything. Until that day we are shooting spin stabilized projectiles with a propellant that is good but not perfect. I believe that Augustus and his wager is a money maker for him. If you take this wager then be prepared to lose your money.
 
Re: Most Accurate big bore for less than $20K

If anyone has a 338/375snipetac in the SLC area that wants to show off their gun please send me a PM.

I have been looking at some bullets and the price difference for the 338 and 375 is negligible. And the BC of both are very high.
http://www.rmbullets.com/

One plus for the 338 it's easy to find a silencer for this. Not so much for the 375.
 
Re: Most Accurate big bore for less than $20K

The .338 silencers currently on the market that I know of are not rated for anything larger than LM or NM.
EliteIron's Windtalker would work.
 
Re: Most Accurate big bore for less than $20K

I contacted Thunderbeast Arms and they said their 338 can would work.
 
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