243 vs 6 creedmoor……I’ll grab my popcorn

[dnb86]

Looking to build or buy a light recoiling 6mm to keep in the truck for summer mountain trips to shoot jack rabbits and steel. And probably black tail deer just to give it a go. 243 obviously has a solid amount of factory ammo if needed (but I mostly reload) and 6 creed is definitely becoming more popular in stores. I’ll be running 100-110 grain bullets for this setup and curious to hear peoples experiences. And if anyone is running the factory tikka with a 1-8 twist 243 I’d love to get some feedback on the rifle

 

[1stpitch]

I have 2 243s and 1 6mm Creedmoor. I shoot 100gr bullets in both, and in my experience, they both work extremely well for what I use them for. Neither is a Tikka, so I can't comment on that, and you didn't ask any other specific question.

 

[lancetkenyon]

Build? No difference. Put a fast twist barrel and get a .243 reamer with the right FB, and it SHOULD slightly outrun a 6CM.

Buy? 6CM for the faster twist factory barrel and correct FB. Even though ammo is not as prevalent as .243 Win, they are usually in the heavier offerings of 100+ bullets and higher quality.

 

[Trm82]

I just acquired a 243 ackley from a buddy that has a 8 twist 22” benchmark and shoots incredible with 105 Berger’s at 3100 fps.
I have not had anything this small for a long time.
What a blast to shoot.

 

[Bob Wright]

Tagging

 

[stazmania]

Only you can answer your question. The first step is to take your hand and rub the back of your head

 

[HRM Johnny]

Great thread. Thanks for starting it. I am looking forward to the responses.

 

[Creedmoor shooter]

Performance wise, toss a coin. They'll be nearly identical. Personally, I think the 6 creed case looks better so on that alone I chose 6 creed life is too short to shoot ugly cartridges!

As Lance said, if you build it doesn't matter. Just make sure the 243 has the correct free bore. If you buy 6 creed is the obvious winner.

 

[mmgravy]

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[xsn10s]

I have a good supply of 243 brass so I fast twist 243 Win makes sense to me. Starting from scratch I'd go with a 6mm CM (I just threw up a little). SRP brass gives an advantage to the 6mm CM. I could form 243 win SRP brass, but it's an extra step and creates a possible dreaded donut situation.

 

[TRG65]

when I was looking at 6s a few years ago during one of the crunches, I made the decision to go creedmoor. Small and large primer brass and you could generally find factory ammo. I don’t push mine to the limits. I only run a 115 at 2840 from a 22” barrel.

 

[Justice1327]

If you’re buying, I would go six Creedmoor. If you’re building, I would do 6GT.

 

[JuddL]

Build? No difference. Put a fast twist barrel and get a .243 reamer with the right FB, and it SHOULD slightly outrun a 6CM.

Buy? 6CM for the faster twist factory barrel and correct FB. Even though ammo is not as prevalent as .243 Win, they are usually in the heavier offerings of 100+ bullets and higher quality.

I was going to say tomato tomatoe but Lance said it better

 

[dnb86]

If you’re buying, I would go six Creedmoor. If you’re building, I would do 6GT.

Got a 22gt….there’s only so much gay tiger I can handle in my life jk but I thought about that one as well but I like the availability of the 243 and 6 creed ammo