Home Forums Reloading Big Game Rifles 6mm-284 loads

Getting ready to handload for my new rifle custom. 1:8 twist and interested in 100 plus grain bullets. What have you guys?

Been shooting 47.0 grains of RL-17 with the Berger 140 grain hunting VLD.
So far it had been real nice out to 340 yards on whitetails.

They shoot tiny groups out to 500 yards.

Fotis, I have had very good luck in one of my 6-284's with Hybrid 100 V.

48.0 goes 3365 with a 95 SST I have shot that same load with Hornady 100 BTSP as well but have not chronographed that load.

RL 22 gave a shade more velocity but not as accurate to this point anyway.

105 scenars with 55grs of magpro worked real well in a couple for me....that is a top end load, but not off the charts. Used 105 bergers and N560 a time or two as well.

140??? You're talking 6.5 mm. Not 6 mm

My bad it was a long and trying day.

I'm just beginning to do load workup for my 24" 6-284 and I'll be starting with 54gr of Magpro behind the 105 BVLD. I'll be taking that up to a maximum of 56.9gr of Magpro. Pressure signs providing of course.
Pressure should be just under 65K for the max load. I'm comfortable with 65K but you may not be.
I'm expecting in the vicinity of 3300 with the top load.
That's a screaming 105!
I'll also be trying N560 and the old standbys RL22 and 25. Will also be giving Retumbo and H870 a go.

I've been mainly tinkering with 80-95g pills thus far in my 6-06 and R25 has become my favorite with 95NBTs and 95SSTs. It would be one of my first choices for 100-105s as well. H4831 and R17 have been my favs for the 80-90g pills.

IMR-7828 with 95 or 105 VLD's.....velocity not lacking......

Any retumbo or RL 25 loads?

I used RL-22 and Retumbo with the 107 Sierra matchking with similar velocities.

More recently shooting the 105 Berger hybrid.

First used Retumbo. Now using RL-33 for a significant velocity gain.

Velocity with Retumbo was 3307 which was the highest charge of powder without pressure issues while still maintaining accuracy. RL-33 yielded a 178 fps increase! This is a 28" barlein barrel.



Worked up to 64.5 gr of RL-33 which showed slight lift with very tiny shiny spot on case head from Rem 700's ejector hole. (This is with 8 times fired lapua brass) Your results may vary, work up carefully.

62.5 gr 3376
63 gr 3414
63.5 gr 3453
64 gr 3485 fps

Don't have any data for lighter bullets.

Your 1 in 8 twist should stabilize the 105 Berger hybrid just fine. The BC is a stunning .547 which beats their 115 VLD (.545)

Wow!

That'll grab your attention...that RL 33 is giving some pretty darn impressive velocity for 6mm bullet that heavy....

Fotis,

This is from Steve's pages for the 6-284:

105g Retumbo From 51.0 grains to 54.5 grains

95-100g Retumbo From 54.0 grains to 57.5 grains

The 06 has about the same capacity and I worked up to 56 of R25 in mine under 95 SSTs and 95 NBTs. No pressure signs, but I was more or less winging it based on other 6-284 and 240Wby data, so I stopped when accuracy was consistent. 53 wouldn't be a bad place to start with 95s. I haven't ran 105s yet, but not sure I will with the way it shoots hunting variety pills in the 80-95 range. It's just a deer hunting sporter for sub 400yd work mostly.

Awesome!

I just got a too good to pass up deal on a 6-284 Krieger 1-12 twist barrel. Chronographed the load the original owner worked up with 70 Nosler BT's.

In a nasty wind last night ( 19-24 MPH according to the weather station )I finally got to shoot it on paper.

3805 FPS and just a shade over .5.

Not the data you are looking for but it is a no think gun on coyotes out to about 350. Put the x on the meat and push the go button.

From my Rem 700 ADL synthetic 24 in rechambered to 6mm-284 using Fed 6.5-284 brass, CCI 200 primers, and Nosler 95 gr ballistic tips.

55 gr magnum..........3000 fps
48 gr H4831...........2950 fps
50 gr H4831...........3052 fps
52 gr H4831...........3112 fps
54 gr H4831...........3331 fps (I determined 33.4 gr to be max in my rifle)
57 gr H1000...........2583, 2569, 2624 fps
47 gr IMR 4831........2944 fps
49 gr IMR 4831........3124 fps
51 gr IMR 4831........3321 fps (with physical signs of excess pressure) hold 3200 fps as max with IMR 4831 in my rifle

Hope this was of some use.