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Thread: Newby questions

  1. #21
    Boolit Master Cast10's Avatar
    Join Date
    May 2020
    Location
    TX
    Posts
    586
    Good to hear! So if you heat treat what BHN do you end up at?

    As a new guy casting, should I depend upon tin for making pour easier? Just trying to figure it out.....

    Also, my 10mm 180 XTP loads in G20 are 1180fps; Carbine is 1500fps.

    THANKS FOR INPUT ALL!
    Last edited by Cast10; 06-02-2020 at 09:40 PM.

  2. #22
    Boolit Grand Master popper's Avatar
    Join Date
    Jun 2011
    Posts
    10,572
    Tin is not needed, good mould venting is. Unknown BHN, just hard enough to be accurate.
    Whatever!

  3. #23
    Boolit Grand Master


    Join Date
    Apr 2017
    Location
    Aberdeen, South Dakota
    Posts
    7,136
    If expansion is your goal, a lead/antimony only alloy is a disaster waiting to happen. Way too brittle. I really doubt you would see any expansion with popper's stated alloy though.

    Tin makes casting so much more forgiving, and toughens up the bullet dramatically. I'd use none, or minimal tin for target bullets, but why worry about 1/2 cent worth of tin on a hunting bullet?

  4. #24
    Boolit Grand Master popper's Avatar
    Join Date
    Jun 2011
    Posts
    10,572
    My 'hog' load is 170gr RD style PB PC HT ~ 3% Sb for 300BO pistol. Was running 900 fps or so but recently upped it to 1400 or so. Got a 150gr GC PC version for longer range or I could bring out the 308W for 200 or longer.
    Whatever!

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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