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Good info. Have RL7, H335, Varget and RL15 in good supply. Ordered my MDT magazines today, dies should arrive soon. Will play around with my 95 Bergers to see where they are in the 2.55 oal MDT mags. May go up or down in bullet size from there. Those Hornadys look good too. I just have had great luck with Bergers and will start there.

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I've been running a 6/223 (6x45) since 1996.

On it's second barrel now, I went with a Lilja 1:12 three groove, cut to 21inches long.
55gn NBTs for varmiting. At just on 3350fps they work very well, and as as flat as any 223 50gn to 55gn bullet.
80gn Speer Deep Curls, or 85gn Speer BTSP at just on 2950fps kill very effectively.

For powder I'm using 8208 for both, it meters well, and delivers good velocity for this little cartridge. I've tried faster powders, and slower, but find 8208 is a sweet spot.

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Adam, any preference on brass? Also, what contour on the Lilja? Thank you

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It is a Lilja Number 2 on a Mini Mark X Mauser (now Zastava 85) with a Kahles 2-7x36 on top. 6lb 12oz as pictured. Second picture of rifles is the 6/223 beside some of my other dedicated hunting rifles for a size comparison.


I'm using Lapua for the 55gn, and Winchester for the 85gn. Federal for the 75gn X Bullets (I have a couple of hundred left).

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Thanks for the info. Great set of rifles there.

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How many of you guys running TAC in your 6x45. Good accuracy? Clean burning? What weight of bullets work with that powder? The load data I have shows TAC as a good powder in the 6x45. What has been your experience?


Originally Posted by raybass
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style.
Originally Posted by Pharmseller
You want to see an animal drop right now? Shoot him in the ear hole.

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Originally Posted by bsa1917hunter
How many of you guys running TAC in your 6x45. Good accuracy? Clean burning? What weight of bullets work with that powder? The load data I have shows TAC as a good powder in the 6x45. What has been your experience?

I'm interested in hearing about how TAC works, too. It's pretty close in burn rate to AA2230 and I have some of the cannister grade version of it labeled 2230C. I also have some AA2200 and I'm hoping that one or both show good results in the 6x45 I bought back in January.


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Originally Posted by bruinruin
Originally Posted by bsa1917hunter
How many of you guys running TAC in your 6x45. Good accuracy? Clean burning? What weight of bullets work with that powder? The load data I have shows TAC as a good powder in the 6x45. What has been your experience?

I'm interested in hearing about how TAC works, too. It's pretty close in burn rate to AA2230 and I have some of the cannister grade version of it labeled 2230C. I also have some AA2200 and I'm hoping that one or both show good results in the 6x45 I bought back in January.


Bruinruin, you might already have this info, but it has some good loads for the 6x45:
Western powder load data

This one is also like the old standby that guys loading for the 6x45 rely on:
Buck ammo load data. Save to your computer and print it off..

I see in the western powder load data that exterminator powder also works. Anyone use that powder in their 6x45? I have that powder available to me as well. I may buy 4 or 5 pounds of it to try out.

Also, for those of you interested in running some 90gr Nosler ballistic tips in your 6x45, here goes:
6mm 90gr Nosler ballistic tips. 50/bag @$19.95/bag


Originally Posted by raybass
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style.
Originally Posted by Pharmseller
You want to see an animal drop right now? Shoot him in the ear hole.

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I still think I'd go 7 twist. That cartridge is no speed demon. Twist can't hurt.

Can't see modifying a 223 case to use 6mm bullets, only to run the same weight bullets as the 223 but with a lower b.c.

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Berger twist calculator seems to indicate a 7.5 will twist 95-105 well at my elevation. Ordered a Hawk Hill 7.5. As a 6mm its legal for big game in Colorado if I decide to use it for that. Just a scratch I wanted to itch. Betting it performs quite well though with 95 grain bullets. Down the road and suppressed, it'll be good for grandkids to use.

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Originally Posted by 30338
Berger twist calculator seems to indicate a 7.5 will twist 95-105 well at my elevation. Ordered a Hawk Hill 7.5. As a 6mm its legal for big game in Colorado if I decide to use it for that. Just a scratch I wanted to itch. Betting it performs quite well though with 95 grain bullets. Down the road and suppressed, it'll be good for grandkids to use.


You can’t beat it. Brass is endless. Set up in a bolt gun it should be about like the ARC I’d think.


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I had a 6x45 for a while, 17" suppressed. It was a lot of fun

This thread kinda makes me wish I had it back

Last edited by Dude270; 03/25/21.
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Dude, Do you remember any velocities and bullets you were getting out of the 17"? I'll end up between 17-19 I think.

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Originally Posted by dogcatcher223
I still think I'd go 7 twist. That cartridge is no speed demon. Twist can't hurt.

Can't see modifying a 223 case to use 6mm bullets, only to run the same weight bullets as the 223 but with a lower b.c.


An 8 twist works just fine for the speeds you are going to get out of the 6x45. No need for a 7 twist..


Originally Posted by raybass
I try to stick with the basics, they do so well. Nothing fancy mind you, just plain jane will get it done with style.
Originally Posted by Pharmseller
You want to see an animal drop right now? Shoot him in the ear hole.

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Originally Posted by 30338
Dude, Do you remember any velocities and bullets you were getting out of the 17"? I'll end up between 17-19 I think.




70s @ just under 3000

85s @ 2750

105s @2550

I think the 95 vld might be the perfect recipe, right mix of decent trajectory, BC and expansion characteristics. Kinda wish I'd have thought to try it.

In mine the 105 Amax behaved like a big game bullet near and far but the drop was enough you didn't want to misjudge your range by 25 yards

Last edited by Dude270; 03/25/21.
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Originally Posted by bsa1917hunter
Originally Posted by dogcatcher223
I still think I'd go 7 twist. That cartridge is no speed demon. Twist can't hurt.

Can't see modifying a 223 case to use 6mm bullets, only to run the same weight bullets as the 223 but with a lower b.c.


An 8 twist works just fine for the speeds you are going to get out of the 6x45. No need for a 7 twist..


You have it backwards...two things stabilize a bullet, speed and twist.

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Originally Posted by Dude270
Originally Posted by 30338
Dude, Do you remember any velocities and bullets you were getting out of the 17"? I'll end up between 17-19 I think.




70s @ just under 3000

85s @ 2750

105s @2550

I think the 95 vld might be the perfect recipe, right mix of decent trajectory, BC and expansion characteristics. Kinda wish I'd have thought to try it.

In mine the 105 Amax behaved like a big game bullet near and far but the drop was enough you didn't want to misjudge your range by 25 yards


Great info on those speeds. Line up pretty well with what I have seen but most were using longer barrels. Appreciate it.

7.5 twist should allow me to use 105 down pretty easy and hoping the 95 flies well.

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Mine was a 1 in 8 and it shot the 105s very well. If starting over I'd do a 1 in 7 or 1 in 7.5.

I dont know if there is any science behind it but I think the added twist helps initiate expansion. I shot a lot of 85 sierras out of mine at deer and they performed out of proportion to their size and case capacity.

I think there is something special about fast twist, modest velocity and relatively soft bullets. It just worked

Now I've about talked myself into another one

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Originally Posted by Dude270
Mine was a 1 in 8 and it shot the 105s very well. If starting over I'd do a 1 in 7 or 1 in 7.5.

I dont know if there is any science behind it but I think the added twist helps initiate expansion. I shot a lot of 85 sierras out of mine at deer and they performed out of proportion to their size and case capacity.

I think there is something special about fast twist, modest velocity and relatively soft bullets. It just worked

Now I've about talked myself into another one


Man, I’ve almost talked myself into one whistle


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Originally Posted by 30338
Berger twist calculator seems to indicate a 7.5 will twist 95-105 well at my elevation. Ordered a Hawk Hill 7.5. As a 6mm its legal for big game in Colorado if I decide to use it for that. Just a scratch I wanted to itch. Betting it performs quite well though with 95 grain bullets. Down the road and suppressed, it'll be good for grandkids to use.


I always forget about Hawk Hill barrels. You’ve used a few of them haven’t you? How do they compare with others you’ve used to date Kurt?


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