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Thread: .270 zeroing - What range is best?

  1. #1

    .270 zeroing - What range is best?

    I have had to go back to PPU 130g SP Ammunition in my .270 after running very low on the Norma SP 130g ammunition that I was using.
    I tried using a box of S&B Barnes XLC in 130g but my rifle just would not handle them - They went all over the place, totally useless through my barrel!
    I usually zero at 100 yards but on Sunday (After buying the PPU ammunition) I decided to zero the 270 with the 130g PPU at 150 reasonable sized paces, with a fair degree of accuracy as the attached target shows, which I am happy with. (It is a Birchwood Casey Shoot-N-See target with a 15mm red centre spot with just the 2 rounds put at it to confirm that I had the zeroing correct and was shot off the bonnet of my car using a bipod)
    My normal shooting (When out in "general field conditions") can be anywhere between 75 yards and maybe 250 yards (Maximum - I prefer not to push the range beyond 250 yards because of the potential risks associated with "shooter error" and leaving wounded quarry) so I am trying to find the best distance to zero at to "minimise" the need for hold over/under to cover these sort of ranges that I am normally shooting at.
    With so many different opinions about the range you ought to zero your rifle at what would your thoughts be please Guys - i.e. Would I be best to stick with this "setting" or try zeroing at a differnt distance?
    Click image for larger version. 

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    Last edited by FrenchieBoy; 03-02-2015 at 19:38.



  2. #2
    I have mine zeroed at 100yrds but it does not change zero much until over the 250 mark

    this will help 270 Win Ballistics Chart Coefficient GunData.org
    Last edited by Tulloch; 03-02-2015 at 19:39.

  3. #3
    Norma ballistic calculator online is very handy.

  4. #4
    I zero 1" high at 100 yards
    A Man should be wise, but never too wise. He who does not know his fate in advance is free of care

  5. #5
    150 yard zero on mine. 0.8 " high at 100 yds

  6. #6
    Without knowing what kind of game you are hunting, expected size, typical range, and your self-imposed limit of max range, whether you use a rangefinder, etc...

    I would say, "Why zero a .270 for less than 200 yards?"
    That lets you be no more than 1.5 inches high or low out to about 240 yards, with standard 130-gr rounds.

    But check your PPU, and shoot some other brands.
    I have been checking various ammuntion, store brands and handloads, in my SteyrMannlicher carbine and a friend's Merkel K1 Stutzen, both with 20-inch barrels. Some of my handloads are over 3,050 FPS, some store ammunition is at 2,950, and the PPU 130-gr ammo was at 2,800 FPS. 300 fps will make a significant difference in drop at 300 yards and further.

  7. #7
    1,5" high at 100 metres is O.K. Will be 3 to 4 inch low at 250 metres.

  8. #8
    Quote Originally Posted by Southern View Post
    I would say, "Why zero a .270 for less than 200 yards?"
    So would I!

    Mine is 1.75-2" high at 100yds, and therefore about on at 200yds, and 7" low at 300yds.
    140gr bullet at 2900fps or so.

  9. #9
    Quote Originally Posted by Dalua View Post
    140gr bullet at 2900fps or so.
    Oh, that reminds me. I forgot to mention mine is 130gr at 3065fps or thereabouts
    A Man should be wise, but never too wise. He who does not know his fate in advance is free of care

  10. #10
    Quote Originally Posted by Woodsmoke View Post
    Oh, that reminds me. I forgot to mention mine is 130gr at 3065fps or thereabouts
    2" high @100yrs =200yd zero and approx 10" drop @ 300yd

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