+1 one the 6mmx284 I've been using one for a long while.Mine is a 26" Shilen 1/10 twist it love 95gr nosler ballistic tips.Accurate,flat and low recoil I've let several kids kill their first deer with it.Reloading is just run 6.5x284 through a 6mmx284 die and load.I use retumbo in mine.
6mm-284vs 6mmAI
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marioq
Well-Known Member
Great!!! Thanks for the heads up
I recently built a 6mm-06 and throated it for long bullets. I was torn between the 6-284 and the 6-06. The rifle was going to be used for hunting, so I chose the 6-06 as I was concerned with the reported feeding problems of the 6-284. Additionally, I already had a Remmy 700 LA and lots of 25-06 brass. Making cases is as easy as passing a piece of 25-06 brass though a 6-06 die. No neck turning or trimming...pretty easy. The cases feed like butter through the action as well.
Love the 6mm cal with long, heavy bullets. Between the 2 cartridges you mentioned, I would go 6-284 due to it's capability to drive heavy bullets faster. A 105 Hybrid/VLD at 3300+fps is a real monster for long range deer, varmits and steel. Put's lots of bigger cartridges, burning more powder, to shame at long range.
Love the 6mm cal with long, heavy bullets. Between the 2 cartridges you mentioned, I would go 6-284 due to it's capability to drive heavy bullets faster. A 105 Hybrid/VLD at 3300+fps is a real monster for long range deer, varmits and steel. Put's lots of bigger cartridges, burning more powder, to shame at long range.
Outlaw6.0
Well-Known Member
I think you come to love the 6x284, I know I sure like mine. To answer your question; yes, provided you have the 6x284 dies. I use a 6.5x284 bushing die & step my Lapua brass down in 2 steps. I utilize an HS Precision DBM in a Rem 700 Long Action, it feeds just fine. 3400+ with a 107SMK sure gets anywhere dern quick
Very little recoil & VERY flat trajectory; What's there not to like? t
marioq
Well-Known Member
I think you come to love the 6x284, I know I sure like mine. To answer your question; yes, provided you have the 6x284 dies. I use a 6.5x284 bushing die & step my Lapua brass down in 2 steps. I utilize an HS Precision DBM in a Rem 700 Long Action, it feeds just fine. 3400+ with a 107SMK sure gets anywhere dern quick
t
I have a 6x284 die set. 3 dies bushing. And I have rcbs 6.5 dies. And I have lapua bass in 6.5x284. So I just lube it up and use the6x284 dies to size it????
I think I'll like it. I was opposed to it but now I'm reading what yall say and I like it.
B23
Well-Known Member
I've had my 6-284 for quite a few years and it has been excellent but I always thought that if I wanted something that was slightly less overbore yet still could get awesome brass for, I'd have a 6x55 or 6x55AI built and use Lapua 6.5x55 brass. If you improve the case on the 6.5x55 it has a pretty healthy pick up, too. I've always thought a fast tw 22x55 or 22x55AI would make for a sweet little coyote/varmint gun.
My dad has a 22-6mm that is getting harder and harder to find brass for. He's thinking 22-284 as a replacement but he wants to keep the barrel length to 24in. I think, at 24 inches, the 22x55 would be a better choice and run nearly as fast with less powder.
My dad has a 22-6mm that is getting harder and harder to find brass for. He's thinking 22-284 as a replacement but he wants to keep the barrel length to 24in. I think, at 24 inches, the 22x55 would be a better choice and run nearly as fast with less powder.
I recently worked up a load with a 24" 243 rem takeoff I rechambered to 6mm-284. Used RL-17 with the 95 gr classic hunter. Velocity at 45 degrees was 3433 fps. Would have loved to use the 105 berger hybrid but twist is marginal.
Nimrod
Well-Known Member
I have owned the 6mm/06, 6mm AI and 6mm-.284, not much practical difference in the three. The 6/06 is the easiest to feed with easily available brass and might have a slight velocity edge. I currently shoot a 6-.284 in a heavy Encore 17" barrel as a pistol, very accurate and fun to shoot. I have ruined a few cases trying to neck them down from 6.5, to avoid this make sure you chamfer the outside of the neck a little or use a bushing with a slight radius.
Bob
Bob
If you are using a standard seating die you can partially reduce the neck diameter by running the lubed necks into it before the regular FL 6mm-284 die or a bushing die.
If you only have a 6mm bushing die you could put the bushing into a drill and sand and polish one end making a more tapered mouth.
Or if you have the reamer and access to a lathe you can use it to make a intermediate necking down die. I did this with an old 264 win mag barrel. Threaded outside to 7/8-14 then ran chamber reamer inside. Polished the neck and it will reduce 284 win brass partway. Will be an easy inbetween with the 6.5-284 brass
If you only have a 6mm bushing die you could put the bushing into a drill and sand and polish one end making a more tapered mouth.
Or if you have the reamer and access to a lathe you can use it to make a intermediate necking down die. I did this with an old 264 win mag barrel. Threaded outside to 7/8-14 then ran chamber reamer inside. Polished the neck and it will reduce 284 win brass partway. Will be an easy inbetween with the 6.5-284 brass
Bob the nailer
Well-Known Member
warning! be extremely careful with building a 6mm-284! you will most likely end up also building a 22-284 since the 284 wildcats are so darn much fun
Outlaw6.0
Well-Known Member
That's the gest of it, yes. I've had far better luck with Lapua brass than I did Norma for some odd reason. I've had zero problems necking the Lapua brass down, in multiple steps of course. It's also not a bad idea to anneal afterwards if you can. I'm still running my original 100pcs of Lapua w/o annealing to no ill effect.
IMHO, spend the extra $26 & buy an intermediate TiNi bushing & if you want, it wouldn't hurt to use some imperial dry lubricant on the necks before sizing (though not required). As one of the fastest & easiest to form 6mm's on the planet, I'm willing to bet you'll be very happy with it when you get'er up & running.
t
marioq
Well-Known Member
I have a bushing die. What size bushing do I need?? Sorry if that's a stupid question. Just want to do it right
Thanks
Mario
Outlaw6.0
Well-Known Member
That really isn't a stupid question.
I don't recall what bushings I use from memory, I run bushings in several different calibers & haven't been able to remember off the top of my head. I can look at my logs if you like & tell you which I use.
t
I don't recall what bushings I use from memory, I run bushings in several different calibers & haven't been able to remember off the top of my head. I can look at my logs if you like & tell you which I use.
t
B23
Well-Known Member
I use a .272 bushing in my 6-284 w/Redding die and that gives me 2 thou neck tension using necked down Lapua 6.5-284 brass. My 6-284 is only a 1-12tw and I mostly only shoot 75Vmax. A loaded round with the 75 Vmax and Lapua brass, consistantly, measures .274
I've played around with 1, 2 and 3 thou neck tension and it didn't seem to make much difference so I settled on 2 thou neck tension which was the .272 bushing. Be interesting to read what you other 6-284 guys have for numbers.
I've played around with 1, 2 and 3 thou neck tension and it didn't seem to make much difference so I settled on 2 thou neck tension which was the .272 bushing. Be interesting to read what you other 6-284 guys have for numbers.
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