223 Rem throat length

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John23
Posts: 275
Joined: Mon Oct 29, 2012 9:11 pm

223 Rem throat length

#1 Postby John23 » Sun Jan 14, 2018 6:01 pm

Hi

I recently purchased a Tikka T3 in 223 with a 8t barrel for a bit of farm use , shooting steel ect .
I have upgraded the magazine and can cycle rounds up to 2.6”

The factory chamber is much much shorter and with 75gr Hornady bthp pills the pill sits below the shoulder .

When I get some 80gr Vlds the problem will be worst .

Is there a common length that people use for the heavier pills ?
I am guessing I need to move the throat forward about .100”

This should get me a grain or so capacity back

Any advice would be greatly appreciated

scott/r
Posts: 455
Joined: Wed Aug 27, 2014 8:22 pm
Location: far north brisbane

Re: 223 Rem throat length

#2 Postby scott/r » Sun Jan 14, 2018 7:08 pm

If you are able to get hold of a couple of 80 grn projectiles first before adjusting the throat and trying them first, I'd do that. I've personally found that the hornady sit deep compared to bergers and sierras. In my savage anyway. One of the guys at north arm shoots 80 vld in a standard tikka throat very well, so i presume that they are the same.
Scott.


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