243ai

Hey, who here has (or had) a 243AI.
I have a 6BR with fast twist barrel I am thinking I will stoke up a bit more by cutting it out to a 243. Was thinking 6XC but the 243 is so easy to get stuff for brass dies etc so I thought maybe AI it would give some benefits too.
Any upsides other than speed, or downsides you guys can offer? It is overbore I know already, so barrel life will decrease but shit they're not going to stop making barrels. The current barrel is near new and 1:8 so I plan to shoot 105s+ and put the rifle on a diet to make it a lot more of a sportier rather than the heavy club it is now.
Also thinking of a High Tech stock for this rifle. Anyone got experience with them? They look pretty sweet for the price and I am reasonably handy so I should be able to finish it myself. It a Rem700 action (well whats left of it).

Hiya
Yep i have got a 243AI - The Claw also had one made up using my reamer.
Really good round - i just use 243 Lee Collet dies and a Redding 243AI body dies - no need for fancy dies.
I am shoot Hornady 105 A-max at 3130 out of a 28 inch PacNor with RL17 - shooting at 1400yards at steel at new year only needed 28MOA with 0 angle bases to make the hits - no downsides apart from throat life - maybe - had plenty down the tube now and throat is still fine.
Also had HiTech stocks - mold lines are reasonably proud and you will need to add a pad and paint - good stock if you have some basic skills.

Muz

What about 6mm Turbo 40deg? (Basically 6.5 Grendal, necked to 6mm and Improved)
2850 with 105 VLDs and ALOT easier on barrels etc

243AI was more shagging around than I really was keen on, let alone fairly obscure brass and dies (for NZ). Its going to be a hunting rifle so will not see bulk rounds down per year or large strings of shots.

Run 6.5 Grendal through sizing die, load and when it comes out its AI for next time - same with 243 AI

Alot less powder burnt, for not far off speeds and the ability to seat bullets out where they should be.

Creedmore down to 6mm would be a great 6mm

Forgot to mention, I have also just ordered some CDI bottom metal and AICS magazines for it, so Im stuck with the 08 based cases:D

The Grendal, Creedmore etc will feed fine out of AISC mags

243AI in AISC mag = short OAL - not ideal combo in my mind.
My 308s just fit let alone a long pointy 105 VLD

FUCK
I thought I was clever

LOL
If you shortned up a 243 AI it would work.. then you have a Creedmore?

I know what would be perfect... 243 WSSM

Guys in the US are getting pretty impressive velocities running the 6mm Creedmore from relatively short barrels.

105g a-maxes at around 3000fps from 23inch barrels from memory. They are running them in AR10 platforms like the GAP 10.

I will probably end up with one at some stage this year.

What's wrong with a normal .243

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Originally Posted by gimp

What's wrong with a normal .243

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Must be something, eh gimp. 'Cos people re-barell them to 6.5x47 :)

Kiwijames, you already have 7mm rem mag brass, neck that down to 6.5mm or 6mm.

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Originally Posted by Tahr

Must be something, eh gimp. 'Cos people re-barell them to 6.5x47 :)

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Har har

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Originally Posted by gimp

What's wrong with a normal .243

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There is nothing wrong with the .243 that I know of thats why i want one, I'm more curious as to whether it is worth it to go to the AI.
Kinda a bit gutted the AI mags may not be long enough for the 243 and 105 pills.

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Originally Posted by 7mmsaum

Kiwijames, you already have 7mm rem mag brass, neck that down to 6.5mm or 6mm.

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That sure won't fit in a short action Rem700

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Originally Posted by kiwijames

That sure won't fit in a short action Rem700

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If thats your only restriction then get KiwiGreg to make you a 6mm or 6.5mm saum. :thumbsup:

His restriction is mag length

SAUM brass is about same length as 243 - back to same issue

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Originally Posted by Spanners

His restriction is mag length

SAUM brass is about same length as 243 - back to same issue

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I have a 243AI here with a 105 Amax in it, it is 0.4mm longer than my possible 6.5 Terminator length with 140 Amax.

I have designed to 6.5 Terminator to be mag length with 140s :thumbsup:

KG can you tell me the OAL of the 243AI with the 105 A-Max loaded. I have a possible 2.950" of magazine to work with in the AI magazine.
As nice as the 6-7SAURMag or 6.5 Wajamacalit sounds or anything else burning half a can of powder I might just take a raincheck ;)

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Originally Posted by kiwijames

KG can you tell me the OAL of the 243AI with the 105 A-Max loaded. I have a possible 2.950" of magazine to work with in the AI magazine.
As nice as the 6-7SAURMag or 6.5 Wajamacalit sounds or anything else burning half a can of powder I might just take a raincheck ;)

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The one I have is 71.7mm or 2.82"

60-70 grains is hardly half a can of powder.....even 208grains isn't even close :D

My mag measures 2.83 (71.8) on the nose almost

Iv just had a 243ai chambered at TF for the 105vld.Its 2.82 OAL which has the start of the boat tail just clear of the neck shoulder junction. The amax with its different shape is 2.78 but that puts the base of the projectile quite deep.Chambered for the amax at 2.81 OAL the start of the boat tail would sit deeper than the neck shoulder junction by .050.All aprox numbers here.

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Originally Posted by Spanners

My mag measures 2.83 (71.8) on the nose almost

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I was advised the mag could be modded to the larger 2.950" length.