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Thread: .270 muzzle speed

  1. #31
    Member Micky Duck's Avatar
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    If you want to kill deer.sight in 2-5" high and hundy aim dead on to where you drop more than 4" below line of sight and know you need X amount at 350 and y amount at 400
    75/15/10 black powder matters

  2. #32
    Member Micky Duck's Avatar
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    You can then either twiddle n fiddle or use Kentucky windage.the deer won't know or care
    75/15/10 black powder matters

  3. #33
    Member Micky Duck's Avatar
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    300 yards. Nine inches and fifteen inches.there you go
    75/15/10 black powder matters

  4. #34
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    thank you!

  5. #35
    Member Micky Duck's Avatar
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    if your going to shoot past 300-350 and therefore will need to twiddle n fiddle...you will need rangefinder AND you will need to verify your drop at those ranges anyway...so you arent going to need exact numbers to begin with....Ive given you near enough with above charts....try dialing that amount..fire 3 rounds,its either going to be right or near enough you can then change number of clicks dialed and reshoot to verify...then move out to next distance rinse and repeat..... if you needed more clicks at 350..well you will need proportionally the same more at 400..... as you arent asking to shoot out to 750 you now now your dial up clicks required for 350 and 400 yards.... 375 will be near enough to half way between and 325 near enough to half way up to your 350...what more is there to know????
    write down your number of clicks at 325-350-375-400 laminate it and tape it to stock...chances are deer will be at 250 yards and yo uwill wonder why you bothered wit hall the fluffing around....
    good luck
    HandH and Taco like this.
    75/15/10 black powder matters

  6. #36
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    Quote Originally Posted by Micky Duck View Post
    if your going to shoot past 300-350 and therefore will need to twiddle n fiddle...you will need rangefinder AND you will need to verify your drop at those ranges anyway...so you arent going to need exact numbers to begin with....Ive given you near enough with above charts....try dialing that amount..fire 3 rounds,its either going to be right or near enough you can then change number of clicks dialed and reshoot to verify...then move out to next distance rinse and repeat..... if you needed more clicks at 350..well you will need proportionally the same more at 400..... as you arent asking to shoot out to 750 you now now your dial up clicks required for 350 and 400 yards.... 375 will be near enough to half way between and 325 near enough to half way up to your 350...what more is there to know????
    write down your number of clicks at 325-350-375-400 laminate it and tape it to stock...chances are deer will be at 250 yards and yo uwill wonder why you bothered wit hall the fluffing around....
    good luck
    very true

  7. #37
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    Quote Originally Posted by Taco View Post
    @Micky Duck: scope hight higher. bushnell 3-12x50. would think it is closer to 2 inch. Won't make that much of difference though
    Will depend on your rings on my rifle a 50mm scope is still 1.6inch

  8. #38
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    Greetings All,
    This is the target I used to set up my rifle for 600 yard (550 metre) shooting. The little cross high on the target is the calculated trajectory at 200 metres based on a 550 metre zero and my chronographed velocity. The point of impact was deemed close enough and the first shot at the 600 yard target was a little low and a bit to the right. I think that the last was more due to my tiny portable bench rest than anything else. Improvements to it are under way. Making the adjustment in this way worked around any problems with the scope adjustments. The close agreement between predicted and measured velocity at the 600 yard target validated both the BC and software used.
    Regards Grandpamac.Name:  20230429_111539.jpg
Views: 158
Size:  2.82 MB
    HandH likes this.

 

 

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