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Thread: erratic groups using IDEAL 311276

  1. #1
    Boolit Buddy Kegcaissy's Avatar
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    erratic groups using IDEAL 311276

    Hi!

    I've got this old one from IDEAL off ebay and i was looking to do some lights loads to plink at the range with 30 cal mausers and enfields. I've sized one batch of these 311276 with a lubrisizer at 0,311'' for the 30-06 and at 0.314'' for the 303 but the metal displaced forward of the bullet seems uneven and the groups were somewhat large at 50Y (2''+) using 7gr of bullseye. This mold gives me a 168gr with an alloy that can also be too hard for this purpose.

    More testing will be done using lee sizing dies.

    I don't have the speed of these for now but i think i'm not slow enough to get good results.

    Can someone share experience with these light loads using bullseye
    Last edited by Kegcaissy; 07-05-2019 at 12:55 AM.
    We really need a Ar-15 subforum!

  2. #2
    Boolit Master



    curator's Avatar
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    Cagcaissy:

    Lubrisizers can size a bullet slightly off-center. "but the metal displaced forward of the bullet seems uneven." This will definitely open up your groups. When sizing long rifle bullets down more than a couple of thousandths. a "push-through" nose first sizing die like those that lee Precision makes and sells, will size the bullet more concentric. I size my rifle bullets with the push through die then run them through the lubrisizer with a sizing die .001 larger to lube them. This extra step usually cust group sizes in half.

  3. #3
    Boolit Buddy Kegcaissy's Avatar
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    Quote Originally Posted by curator View Post
    Cagcaissy:

    Lubrisizers can size a bullet slightly off-center. "but the metal displaced forward of the bullet seems uneven." This will definitely open up your groups. When sizing long rifle bullets down more than a couple of thousandths. a "push-through" nose first sizing die like those that lee Precision makes and sells, will size the bullet more concentric. I size my rifle bullets with the push through die then run them through the lubrisizer with a sizing die .001 larger to lube them. This extra step usually cust group sizes in half.
    Thank you sir!
    We really need a Ar-15 subforum!

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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