243--600 yrd gun?


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RevolverMan567
March 24, 2008, 08:30 PM
I am thinking about picking up a remmy 700 VLS in 243. I plan on transplanting the action and barrel into a HS precision or McMillan with a full length bedding block and throwing in a 40-X trigger.

The twist rate is 1-9 1/8th so i should be ok with 100-maybe 105 grainers for pretty informal practice, but will it be a suitable platform for shootin out to 600 yards, I know i will need to practice because my average "long range shooting" tops out at 300. but i have th room and wonder if this will be a good one. Obviously dosent have to be a 1 MOA gun but hitting a b52 man size sillhoute at 600 would be freakin sweet:D

I'm no sniper and dont presume to be but i do consider myself of above average in shooting simply because i get to practice out to 300 on the regular. i love the .243 round and consider it underrated, i dont need an uber magnum for 600. guess im just looking for moral support on my next several hundred hard earned dollars being sunk into steel and fiberglass;)

already have an xr100 in 223 but looking for some more punch at that range just for the fun of it

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Bearhands
March 24, 2008, 08:41 PM
My guess would be: "It can be done" if a field mouse doesn't pass wind near it after about 300 yards. The 100 gr 243 bullet is not a "force" @ that kind of range.
A 22lr can go a mile, but who know's where........

Auburn1992
March 24, 2008, 08:42 PM
Well I would think a .243 could do it if something like a .223 or 22-250 could right?

taliv
March 24, 2008, 08:44 PM
in case you don't know, hitting a b52 target at 600 yrds with an AR in 223 is pretty dang easy.

i'm not trying to talk you out of a bolt gun, but were it me, i'd rather have 3000 rnds of ammo and a whole summer of shootin

browningguy
March 24, 2008, 09:20 PM
Actually, as one who shoots a .243 Savage 12 FV, they make a very fine gun out to 1000 yards. And if only shooting to 600 the 80-95 gr. Sierra and Berger bullets will do very well. If you can load them out to the lands and still fit your magazine the Berger 105 VLD is an excellent bullet, but I find in my gun I have to single load them. There is also a 107 SMK but I have not tried them yet. I shoot the 70 gr. SMK for everything from 100-300 yards and it stays 1/2 MOA, and the 95 gr. for out to 600 which is the longest my regular range has.

Here's the Sierra info on the 95 gr. SMK:
Bullet Name Diameter inches Weight grains Sectional Density Ballistic Coefficients
.243 dia. (6mm) 95 gr. HPBT MatchKing .243 95
SD .230
BC .480 @ 2750 fps and above
.450 between 1700 and 2750 fps
.400 @ 1700 fps and below
Thats in the range of the 175 SMK in .308. And the 107 goes over .522 BC, which beats the 175 SMK in a .308 by a reasonable margin.

In short, all the guys winning long range, out to 1000 yards, (David Tubbs et al) are NOT shooting anything but 6's or 6.5's. The high BC bullets buck the wind better, have less drop, and much less recoil than shooting the 175's and up in the .308. And they make a fine coyote gun out to any reasonable range also.

W.E.G.
March 24, 2008, 09:33 PM
The .243 has the potential to be very accurate at great distance.

However, the .243 can burn a lot of powder in that skinny pipe. Expect faster bore erosion than larger calibers.

Very good article on this issue at http://www.snipersparadise.com/tsmag/june2001.htm

skinewmexico
March 24, 2008, 10:27 PM
The only problem I see is the slow twist, and it's not quite that slow. Good info - http://www.6mmbr.com/243Win.html

ShunZu
March 24, 2008, 10:46 PM
I've killed coyotes, sitting still not running, mind you, at over 600 (measured with a Leica laser rangefinder) with my MK II VT Ruger. The rifle's preferred load is 42.50 grains of IMR4350 behind a 107 grain Sierra Matchking BTHP. It shoots MOA at 200 yds. That's only 1 rifle, and I've had it for many years and tweaked its loads -- but certainly the .243 within reason (no sidewinds over 15mph, please) at 600 yds.

slylikea_fox
March 24, 2008, 11:32 PM
I just recently picked up a .243 varmint sps and put it in a hs stock, it's proably a good bit cheaper then the vls. I haven't really shot it though so I can't give you my impression yet.

Ridgerunner665
March 25, 2008, 12:02 AM
I just recently realized this myself...and I been shooting long range for 25 years...the 243 is better than the 308...that rate of twist should be OK for the heavies.

rangerruck
March 25, 2008, 12:06 AM
Oh yeah, you will be fine. It should be able to take 105 or even 110's.

ocabj
March 25, 2008, 12:28 AM
Anyone who says .243 won't work for mid to long range isn't familiar with 6mm.

The 6mm bullets on the market are ballistically some of the best bullets out there.

Throat erosion rate aside, the .243 is a fine cartridge for precision shooting.

Someone stated before that the 1:9 twist is suspect. I agree if you plan on shooting 105s and up. Most of the manufacturers are recommending a 1:8.

Ridgerunner665
March 25, 2008, 12:34 AM
Thats true....100 grains is about the limit of a 1 in 9 for a 6mm...i spoke before I thought about in my first post.

The 6mm are second only to the 6.5 mm rounds in downrange performance...and again...I been doing this stuff for a while and I just recently admitted this to myself...that the 243 is superior to the 308...even at 1000 yards. (with bullets 100 grains and heavier)

RevolverMan567
March 25, 2008, 07:51 AM
this is the kind of info i was expecting but wanted to make sure, i had thought about the SPS varmint in 243 but i love the satin blue and jewelled bolt on a dedicated target gun. just asthetics but i like it.

Jim Watson
March 25, 2008, 08:00 AM
A shooter here is using a Savage .243 for mid- and long range shooting. Doing quite well, too, with 105 and 107 grain bullets.
You will just have to shoot the gun to see how long and heavy a bullet your barrel will handle.

As somebody said, there is nothing wrong with a .223 at midrange.

skinewmexico
March 25, 2008, 10:08 AM
I've been seriously considereing re-barreling one of my Savages to 243, and shooting 115g DTACs in it.

T.R.
March 25, 2008, 10:14 AM
I'm a huge fan of .243 for hunting mulies and 'lopes in open country. But Dakota winds are often a serious handicap for accurate shooting.

A 600 yard shot during gusting winds will be an exersize in frustration.

TR

skinewmexico
March 25, 2008, 10:17 AM
A 600 yard shot during gusting winds will be an exersize in frustration.

With any cartridge.

Seafarer12
March 25, 2008, 10:20 AM
I like 6mm's for long range shooting I would rather have a 6mm BR but a 243 would get the job done just not as tight a groups. I would rather have a 1-8 twist for hevies but but a 1-9 will work pretty well. You will just have to expariment and see what your gun likes. If you don't reload you will have to take it up to get the most out of your rifle.

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