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Thread: Trajectory on my 3030 load?

  1. #1
    Boolit Buddy
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    Trajectory on my 3030 load?

    I shoot 22 grains of IMR 4198 and a Lee 170 grain cast bullet. I think velocity is about 1800 fps. Can anyone tell me my trajectory at 50, 100 150 and 200 yards? I use this load in my 94 Winchester but I just got a Contender carbine with a 2-7 leopold scope, the generation one model. Any info appreciated. Thanks, Craig

  2. #2
    Boolit Master claude's Avatar
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  3. #3
    Boolit Master
    Hick's Avatar
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    You can also look for Hornady Ballistics Calculator on the internet (Hornady site). It's free and lets you put in all the details, and then does the calculations and gives you a printable table of results.
    Hick: Iron sights!

  4. #4
    Boolit Master
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    Quote Originally Posted by Elbow View Post
    I think velocity is about 1800 fps.
    With your velocity being the pivotal variable, an investment in a chronograph at a minimal cost would be an asset to your tool kit. While working up loads for the 30 WCF and the 32 WSP, my expected velocity was very different from my actual velocity. My Chrony F1 which I have used since the early 90's, has been a valuable tool to determine my actual velocity. Once determined, accurate trajectory tables can be generated. No more guess work. The Chrony will also show you load consistency and identify the load(s) with low SD and Range.

    Attachment 178364

  5. #5
    Boolit Master

    TCLouis's Avatar
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    Lee says the BC for that boolit is .268
    Amendments
    The Second there to protect the First!

  6. #6
    Boolit Master
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    Without knowing the exact velocity, all the calculators in the world wont do much good. I reloaded for years without a chrony, just went off what the book said. Now I have no idea how I reloaded without a chrony.

  7. #7
    Boolit Master
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    the tables will get you close, nothing for certain till you actually fire groups at the different ranges.
    “You don’t practice until you get it right. You practice until you can’t get it wrong.” Jason Elam, All-Pro kicker, Denver Broncos

  8. #8
    Boolit Master
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    Or conversely to asking this question, you could just hang a target at 50, 100, 150, and 200 yards and find out empirically. Load charts, ballistics tables, and trajectory charts are only guidelines anyway. They can't possibly take into account the effects of temperature, humidity, elevation, and wind on your situation on any given day.

  9. #9
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    Butler Ford's Avatar
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    Quote Originally Posted by gnoahhh View Post
    Or conversely to asking this question, you could just hang a target at 50, 100, 150, and 200 yards and find out empirically. Load charts, ballistics tables, and trajectory charts are only guidelines anyway. They can't possibly take into account the effects of temperature, humidity, elevation, and wind on your situation on any given day.
    ^^^THIS^^^
    Kinda wish the forum had a "Like" button, then I would not have had to type in so many letters just to reiterate the above comment.

    BF
    "The price good men pay for indifference to public affairs is to be ruled by evil men."--Plato

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check