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Thread: .300 Blk 140 grn load

  1. #1

    .300 Blk 140 grn load

    Hi all! Great forum. I purchased an RCBS 7.62MM-130-SPL mold for my AR with a 10.5" barrel, 1/8 twist. Bullets are 140 grains. Give or take a grain. Using gas checks. Sizing them to .308. Any ideas/recommendations for a plinking load?

  2. #2
    Boolit Grand Master popper's Avatar
    Join Date
    Jun 2011
    With GC I assume super, so H110 works fine. Go to Hodgdon reloading website.

  3. #3
    Boolit Master

    skeet1's Avatar
    Join Date
    Jan 2008
    Helena, OK
    Just curious. What is the reason you are sizing to .308"? Not criticizing you, just wondering.


  4. #4
    I haven't slugged my bore to check it's actual size. I did notice that almost every post I read here in regards to .300 Blk. Everyone was resizing to .309

  5. #5
    Boolit Buddy

    Join Date
    Mar 2016
    WIN 296 has worked very well for me with 150gr cast, I am almost out of the 8lb keg I purchased. I also size to .309.
    "Yes or no will almost always suffice as the answer"

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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