Page 1 of 2 1 2 >
Topic Options
#3613630 - 12/27/09 04:07 PM Looking for 6mm-284 pet load data with all bullet weights?
Wookie316 Offline
Member

Registered: 09/02/09
Posts: 136
Loc: Border City (On the Poor side)
Just wondering out of those who shoot this caliber, what they are finding works well both in bullet weight & powder.

Here are some test targets thus far.





So far I have tried 70gr & 95gr Nosler BT.

It is a 1-10 23.5" barrel.





I have a 4.5x14x40mm LR B&C scope on it now since these photos.

Not having much experience with this caliber, I'm looking to tighten these groups up some more.

So if you have shot the 6mm-284 lots your help would be appreciated.
_________________________
Amanda. May 11/1984 - Mar 21/2011. Smile down & watch over me & the kids.

Top
#3615186 - 12/28/09 07:26 AM Re: Looking for 6mm-284 pet load data with all bullet weights? [Re: Wookie316]
T_O_M Offline
Campfire Guide

Registered: 11/06/07
Posts: 4077
Loc: State of Jefferson
What's your twist? I think you have to be real careful when you crowd it as hard as we were. There were 6-8 guys here with 6x.284s, all 1-14" twist, all with barrels from the same maker, same batch, cut with the same reamer.

The guy who got it all started went up to 55 grains of Varget under a 60 grain Sierra. He claimed over 4300 fps. That seems way overboard but they gave me 5 rounds to test in my gun ... no problem pressure signs and they grouped under half inch.

All of my ammo, and that load above, were in Norma 6.5-.284 cases necked down, with Fed 210M match primers.

That bullet has a low BC so I went off in another direction. I wound up mostly shooting the 70 grain ballistic tip over 58 grains of RL19. Sometimes I'd swap in the 65 grain VMAX but keep the load the same. The accuracy wasn't quite as good but the splatter was greater.

I played with the 75 grain VMAX some, with H414 for some reason I don't recall now, and ran into pressure issues.

I didn't have any problems with pressure, case life was normal, when I lost cases it was to neck splits, not primer pocket problems (other than those 75 grain vmax / H414 loads).

The guys who worked all this crap out told me to expect about 400 rounds barrel life. I was at 800, still shooting good, but figured it was a good time of year to rebarrel (and be without my gun) so I did that earlier than necessary and went with .220 swift next time around. I'm guessing accurate life for my rifle, the way I was loading and shooting it, would have been 1500 rounds or more.

Anyways, I'm not sure I'd want to crowd it that hard if I had a 1-12 or 1-10 twist. I'd for darn sure work up real real carefully.

One of the guys in the group had one with a 1-7" twist. Someone .. Berger, I think, makes a 115 grain VLD, and there are several in the 105-107 grain range. He also had a .243 AI with an identical barrel. He wasn't able to gain anything useful over the .243 AI with the VLDs, about 50 fps before he'd begin blowing primers and sticking his bolt.

I come away from that 2-3 year period when we were working with them a lot is that as a quick twist VLD-driver, the 6x.284 is not a net gain, you burn a lot of powder, from expensive brass, with shorter barrel life, more recoil, and don't gain much velocity. On the other hand, with a slow twist for varminting use, it may be a lot more useful. My gun comfortably pushed the 70 grain Nosler as fast as my swifts would push a 55 grain bullet, but the 6mm 70 grain has a much higher BC, a lot more frontal area for more "slap" on target, and better SD. Certainly at a higher cost, though. Whether it's worthwhile is a personal choice.

I'm on the cusp of building another. I can't decide whether I'm going to do a 6x.284 with a 1-14" twist to handle those same bullets again or do a .22-250 AI with a 1-12" twist to drive 60s comfortably.

On varmints, the two most vicious chunk splattering things I've ever owned are that 6x.284 and my current .204 ruger, both exceed the splatter capacity of the .22-250 (I've had 5) and .220 swift (I've had 4) by a noticeable margin on the size varmints I shoot. I 'spect the big .22s would whup the .204 on slightly larger critters but they'll never touch the 6x.284.

Tom
_________________________
Anyone who thinks there's two sides to everything hasn't met a Möbius strip.

Here be dragons ...

Top
#3615363 - 12/28/09 08:27 AM Re: Looking for 6mm-284 pet load data with all bullet weights? [Re: T_O_M]
Grand Offline
Campfire Ranger

Registered: 11/14/05
Posts: 2233
Loc: Central Cal.
I like Noslers, but could never get the 70g and 95g to shoot well in my 6-284. I had better results running 75g and 87g V-max. You'll like the results on Varmints and the 87g V-max has a high B.C. for the weight.
_________________________
Alcohol, Tobacco & Firearms: Should be a convenience store, not a government agency!
There are two kinds of people in this world - those that think there are only two kinds of people and those that don't! R. Kuhs

Top
#3615926 - 12/28/09 11:25 AM Re: Looking for 6mm-284 pet load data with all bullet weights? [Re: Grand]
Wookie316 Offline
Member

Registered: 09/02/09
Posts: 136
Loc: Border City (On the Poor side)
If you missed it in the first post it is a 1-10 23.5" barrel. I am not looking to make a screamer out of it, just a nice accurate rifle. Here is what it looks like now.

6mm-284 on a L579 action













_________________________
Amanda. May 11/1984 - Mar 21/2011. Smile down & watch over me & the kids.

Top
#3623862 - 12/30/09 02:17 PM Re: Looking for 6mm-284 pet load data with all bullet weights? [Re: Wookie316]
T_O_M Offline
Campfire Guide

Registered: 11/06/07
Posts: 4077
Loc: State of Jefferson
Yeah, I looked at the pix and missed the part about the twist. I'd probably give the 87 grain VMAX a run as well as the 85 grain Speer boat tail, 90 grain ballistic tip (not a varmint bullet but if you kick anything hard enough smile you can make it come apart). My rifle had too slow a twist for those so I don't have anything concrete to suggest.

Let me know how it goes, what you figure out. Curious about that!

Tom
_________________________
Anyone who thinks there's two sides to everything hasn't met a Möbius strip.

Here be dragons ...

Top
#3625017 - 12/30/09 07:54 PM Re: Looking for 6mm-284 pet load data with all bullet weights? [Re: Wookie316]
222Sako Offline
Campfire Regular

Registered: 11/24/07
Posts: 776
Loc: on the ridge, south of town
I can't help any with load data, but I have a question/comment. It looks like you have just rechambered a factory 243 barrel. Who did the work and how many rounds went through it before you had it rechambered? You may have some well worn rifling right in front of your throat and the accuracy you see is all you are going to get with this barrel. just my $.02 worth.
_________________________
They exchanged the truth of God for a lie, and worshiped and served created things, rather than the Creator- who is forever(to be) praised.

Romans 1:25

Top
#3625062 - 12/30/09 08:05 PM Re: Looking for 6mm-284 pet load data with all bullet weights? [Re: 222Sako]
Wookie316 Offline
Member

Registered: 09/02/09
Posts: 136
Loc: Border City (On the Poor side)
Yup it is just a rechamber, this rifle was a trade I made this fall. I really didn't know what to expect for accuracy. The stock & action were my main concern. I figure if I can tighten it up a bit & carry it over for a year or 2 then I can look forward to a new barrel.

Just picked up too many other irons this year to stick in the cabinet, so this iron will have to suffer for a bit wink
_________________________
Amanda. May 11/1984 - Mar 21/2011. Smile down & watch over me & the kids.

Top
#3629582 - 01/01/10 07:47 AM Re: Looking for 6mm-284 pet load data with all bullet weights? [Re: Wookie316]
Ruck Offline
Member

Registered: 12/31/04
Posts: 128
I have been down this road before. There is a lot of good information out there regarding the 6x284 but please make sure you proceed cautiously. Rifles aren't the same and many handle pressures differently.

I purchased my 6x284 purely as a long range varmint slammer. It fits the bill nicely. I have made hits pretty consistently up to 1000 yards with it. Even at that distance results are impressive.

I have fooled around with the 87g VMAX (B.C. .400) and the 105g AMAX (B.C. .500). I have not messed with the 75g VMAX however I think it would be incredible if you were shooting shorter ranges below 600 yards at velocities approaching 3800-3900 fps.

My current load is 53.2g of RL-22, CCI BR2 primer, Lapua brass, 87g VMAX seated 0.005 out of the lands.

I am getting 3598 fps consistently give or take 5 fps. My spreads are somewhere in the 4 fps range.

I am shooting a 6x284 built on a trued/blueprinted M700 short action with a 30.5" long 1:9" 6-groove K&P Barrel in a McMillan HBR stock. The rig is outfitted with a 12x42.56 nightforce BR. The whole rig weighs about 25 lbs so recoil isn't a factor.


I will say that RL-22 has been very pleasant to work with in the 6x284 however I think that it leaves something to be desired and I think if you don't have a longer barrel there may be powders more desirable for you. I would take a long and hard look at RL-17 as I believe it to be one of the best powders for this load. Once it warms up a bit I am going to run some loads through my rifle. Ironworker on the board has done extensive testing with this powder with excellent results. You may also want to look at H4350.

Lastly, the 105g AMAX would be the perfect bullet for this rifle however the caveat is that many have trouble driving them over 3250 fps without them coming apart out of 3 groove barrels. If you could get them to 3400-3500 fps then nothing could touch this bullet at long range as far as varmint bullets go. I have not ran any through my rifle yet but plan on doing so this spring. A few have had good luck with 5 groove barrels and getting them to 3450 or so.

Good luck- I think you will be pleased

Ruck

Top
#3633356 - 01/02/10 10:13 AM Re: Looking for 6mm-284 pet load data with all bullet weights? [Re: Ruck]
Palidun Offline
Campfire Regular

Registered: 10/15/02
Posts: 1430
Loc: Texas
My 6-284 started life out as a 6MM Remington. I only used one load in it, the 100 grain Hornady and 51.0 grains of H4831. The rifle shot flat and killed many antelope, deer, coyotes and a few prairie dogs before the barrel got a bit rough at the throat. I would do it again but would want a not too heavy 26 inch barrel, hopefully to reduce noise a bit.

Top
#6437958 - 04/24/12 08:13 AM Re: Looking for 6mm-284 pet load data with all bullet weights? [Re: Palidun]
Ironworker Offline
Campfire Regular

Registered: 11/22/06
Posts: 632
I'm back ! My 6x284 has been given another chance with a new bbl . A 30" brux 8" twist Standard palma contour. It is now a light rifle compared to the former HART varmint contour. Any how on 4/22 1st warm day in NV desert. 53.5 grs of RE#22 behind a Sierra 107 nearly locked up the bolt.So need to pull the bullets on my winter loads. I need to substitute Re#22 with one of Hodgens extreme powders. I wonder if H1000 would be to slow ?

Top
Page 1 of 2 1 2 >


Moderator:  RickBin, SYSOP 
CLICK HERE for GREAT DEALS on VORTEX OPTICS at CAMERA LAND!
Support Our Sponsors 1
Who's Online
603 registered (257heaven, 1beaver_shooter, 18sgd99, 1899sav, 70 invisible), 1350 Guests and 321 Spiders online.
Key: Admin, Global Mod, Mod
Support Our Sponsors 2
Forum Stats
50830 Members
72 Forums
642064 Topics
9219639 Posts

Max Online: 4366 @ 10/05/10 09:36 AM
Support Our Sponsors 3


CLICK BANNER for HUGE SAVINGS on ZEISS OPTICS at CAMERA LAND!







Copyright © 2000-2013 24hourcampfire.com, Inc. All Rights Reserved.