Longer .223 Tikka mag option

[Deadspace]

Anyone loading the 88 eldm in a 223?


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I’m loading them in my 223 AI at 2.55 OAL. Using waters mags right now but just bought two of these mags. Hoping they aren’t as hard to get in and out of the mag well.

 

[TimberHunter]

Sorry about that, it’s 18.5” with a Thunderbeast Ultra 7 on it.

Wow those speeds are impressive from that short of a barrel


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[TimberHunter]

I'm waiting for someone to bring out a 1/7 bolt action 223 with ~2.5" mag box for just this bullet...

May be your huckleberry…. https://cz-usa.com/product/cz-600-alpha/

No idea why they did a 24” barrel in the 223 but it’s a 1:7 twist. I’m going to measure the mag tomorrow on one to see how far they can be seated out.


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[FB Trout]

Wow those speeds are impressive from that short of a barrel


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The barrel has ~2000 rounds through it and has definitely sped up over time.

 

[TimberHunter]

I'm waiting for someone to bring out a 1/7 bolt action 223 with ~2.5" mag box for just this bullet...

The CZ alpha 223 mag measures at 2.320”. So probably not quite along enough to use the 88 eldm?


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[PistolPete]

The CZ alpha 223 mag measures at 2.320”. So probably not quite along enough to use the 88 eldm?


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Not enough, but bless their heart for trying I guess? Ha. Thanks for the info.

Now if Kimber wants to make a Hunter in stainless, 1/7 and a long mag box...

 

[ljalberta]

Anyone loading the 88 eldm in a 223?


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I think I’m going this route next year. Found some information on other sites about guys going this route.

Likely going with a .223 Match chamber (.169 freebore) as that seems to be the ticket. Hopefully I’m able to seat them decently with the 2.55” AICS mags.

 

[TimberHunter]

I think I’m going this route next year. Found some information on other sites about guys going this route.

Likely going with a .223 Match chamber (.169 freebore) as that seems to be the ticket. Hopefully I’m able to seat them decently with the 2.55” AICS mags.

What kind of velocity with barrel length are they using on the info you found?


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[turbo406]

Has anyone attempted using just the standard short action like 308 mags in a tikka and tried to 3d print or build extensions for the side lips that will hold a 223 round in better? I just tried a 223 round in one of mine and it's not far off being usable. If I wasn't trying to take a nap before going coyote hunting tonight one of my other rifles might have donated a magazine to the heat gun to see if I can melt it closed a touch

 

[HandgunHTR]

When I get tired of the 7TCU barrel on my Remage build, or I find another REM with a .223 bolt for as cheap as I bought that donor, I am going to get a 1/7 twist 18” .223 barrel to put on it. I modified the standard Remington 223 mag on that one so that it would accept up to 2.60” rounds on the 7TCU, so loading the 88gr bullets wouldn’t be a problem.

 

[mahonsr]

Did the 6arc tikka mag mentioned a while back in this thread happen?

 

[Pickettpuncher]

Did the 6arc tikka mag mentioned a while back in this thread happen?

I’m not sure if it has or not. I tried to get a guy here to test one and never got a response, so I’m not sure it got past the initial design. I’ll send him a text later if I remember.

 

[mahonsr]

I’m not sure if it has or not. I tried to get a guy here to test one and never got a response, so I’m not sure it got past the initial design. I’ll send him a text later if I remember.

No worries I was just curious because I’m working through putting one together but it will be a few weeks yet before it all comes together

 

[Pickettpuncher]

No worries I was just curious because I’m working through putting one together but it will be a few weeks yet before it all comes together

He does have a Grendel/arc mag

 

[mahonsr]

He does have a Grendel/arc mag

Thanks for checking on that

 

[Running on empty]

Got my mags in from Adam at ascension industries. Very responsive seller and an easy install.
Throwing some of my results in for the benefit of the group.
Tikka RSS cut to 18in by kampfeld.

77tmk at 2.41oal over 25gr varget
10 shot avg 2737fps
77tmk at 2.41oal over 24.3gr Tac
10 shot avg 2764 fps

The varget load was very consistent with an ES in the 30s and shot .95in for 10 so it’s what I’m settling on.
The Tac load was similarly accurate (1.1in) just had spikes in velocity with an ES of 133.
Overall it looks like my tikka likes a closer jump that the ascension industry mag allows.

 

[sportsmans challenge]

Is everyone still just using Adam's Gmail email or is there some other way to reach him?

 

[FB Trout]

Is everyone still just using Adam's Gmail email or is there some other way to reach him?

I’ve used his email, I don’t believe there is any other way to contact him.

[email protected]

 

[BLJ]

I’ve used his email, I don’t believe there is any other way to contact him.

[email protected]

That email worked for me on January 11 2025.

 

[Pickettpuncher]