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*****POI for notches on adj. Perazzi rib????*****

Discussion in 'Shooting Related Threads' started by Perazzi-Mx8, May 11, 2008.

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  1. Perazzi-Mx8

    Perazzi-Mx8 TS Member

    Joined:
    May 28, 2007
    Messages:
    73
    Can anyone tell me what the POI is for the notches on a perazzi adj. rib. It is an mx10 with 4 nothces on the rib.
     
  2. ramorton

    ramorton TS Supporters TS Supporters

    Joined:
    Jan 8, 2006
    Messages:
    1,770
    Location:
    Driftwood, Tx
    With rib down all the way in the back and all the way up in the front and comb all the way down on the stock, this is 50%. Raising the rib up one notch at a time and raising the comb 1/8 in. this will raise the poi 3inches. The four notch rib shoots 9in. high at it's highest set point. This would be with rib all the way down in the front and all the way up in the back. Be sure to raise the comb in 1/8 in increments to achieve these POI's. If you have any other questions, you can view the set-up on Perazzi.com. The manual is shown on their website. Hope this is not too confusing. Roy
     
  3. zzt

    zzt Well-Known Member

    Joined:
    Jan 29, 1998
    Messages:
    3,460
    Location:
    SE PA
    I get a little different POI than Roy, but close. Once you have set up your rib to shoot 50/50 looking straight down the rib, record the number of spacers you have under your comb. That is your base pack. You will never use less than that. Each of the three adjustment steps raises my POI by about 4" at 40 yards, for a total of 12" high at 40 yards. Each step requires you add a 2mm spacer under your comb to raise your eye the correct amount.

    If, using the method described above, you find you want to shoot higher than 12" @ 40 yards, just continue to add spacers and calculate the additional POI height the conventional way. Of course you will go from buried beads to fig-8, then to stacked beads and space between the beads as you go higher. To save you the math, each additional 2mm you raise you comb raises your POI an additional 2.5" @ 40 yards. If you are using American washers, each additional 1/8" spacer raises POI by 4" @ 40 yards.
     
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