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Discussion in 'Rifle Country' started by Don357, Jan 6, 2011.

  1. Don357

    Don357 Active Member

    May 30, 2007
    Semmes Alabama

    I have a 2 questions.
    1. What weight bullet is the CETME barrel rifled for? I took my CAI CETME to the range today to try and zero it with some handload hunting rounds, using 150gr Hornady SST's with 42gr of Varget in Indian brass, best 3 shot group was 6" @ 100yds, using same bullet with 44gr Varget and Privi brass, best 3 shot group was just over 4" @ 100yds. Using 150 Hornady FMJ and 42gr Varget and Indian brass yielded a 6" 3 shot group. Commercial Monarch (Privi) 150gr PSP gave a 4" 3 shot group. None were exactly where I wanted them to be, which makes me think that either my scope is bad or I was pulling the shots due to a heavy trigger pull. I did manage to get a 3 shot group with 2 touching 2" low and a flyer 4" high and 1" left @ 50yds. Which leads to my 2nd question.
    2. What is the easiest way to tune (lighten/smooth) a CETME trigger?
  2. animator

    animator Member

    Nov 26, 2010
    DFW, TX
    Using (I think) Remington 150gr SPs with 44.0 gr 4895 on Indian brass and Winchester primers got me in the 4"-6" range at 100 yards using iron sights when firing 5 or 10-shot groups. I would expect slightly better with an optic, but you're not too far off from what I've experienced...

    Next up will be 44.5 on up to 45gr and see what the results are. But from working up from 40 grains, 44.0 seems to be the magic number for my rifle.

    As far as trigger work goes, polishing it up will help a LOT. It is very easy to do the accidental "double tap" on my trigger now...


    that forum has a lot of good info regarding all things CETME.

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