223AI Chamber

[GuyGP]

I am rebarreling my Rem. 700 SPS 223 to 223AI 1-8 twist. Will use 75 Amax and 62 Barnes - once in a while light varmint bullets if I can. I have been told to get the chamber cut 2.450 for the 75 Amax bullet - however I am wondering whether light bullets like 40's and 50's would have way too much jump in a 2.450 chamber. If I cannot use light bullets it will not kill the deal - this is going to be a deer gun/ fun target gun. Would I lose much velocity with a 22 inch barrel over say a 26? I have a 280AI so have some experience fire forming etc. however I would like to get this done right the first time. Any suggestions you guys have will be appreciated.

 

[MarkS]

GuyGP
I have a 8 tw 223AI on my Savage Criterion Barrels http://savageshooters.com/SavageForum/index.php/topic,36262.0.html from Northland shooter supply. I am not sure about the throat length. You could check with them. But, mine will seat and shoot the light bullet very well.

Mark Schronce

 

[40X Guy]

I have a new .223AI that will be done any day based on a 28 inch HV profile Brux 8 twist barrel set up for 75 A-Max bullets, I don't know the freebore or length of chamber but could make a call tomm. to my smith to find out. I would think you would be fine shooting lighter bullets with a little jump of up to .050-.070 jump. Also go with a 26 inch barrel minimum to get your speed up.

Frank

 

[40X Guy]

Mark, i don't want to hijack GuyGP's thread, but how do you like the Criterion prefit barrel overall?

Frank

 

[rcerro]

I am getting 3100fps with 70gr barnes tsx in my 8 twist 22inch. Not sure on the lighter bullets, I don't shoot them with this settup.

 

[Redhighpower]

I have read on the forum that there could be problem when using a Rem 700 in rapid fire, something about angle of the shoulder of the 223A1 case not feeding when cycling the bolt. There doesn't seem to be a problem with the .223 cases. I have a .233 built by Accuracy Speakes which uses a shorter throat of 2.442. Even with the shorter throat, I can shoot 80's SMKs. Check with Accuracy Speaks.
Accuracy Speaks 3960 N. Usery Pass road,Mesa AZ 85207. 602-373-9499.

 

[Ackleyfan]

Your seating depth of 2.450 will work great for the 75 amax and a 55 gr Vmax will still touch the lands with plenty of bullet in the neck!

 

[MarkS]

40x guy,

The Criterion prefit barrel is great. It is as accurate as my SSS Douglas barrel in 20 TAC.

Mark Schronce