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Thread: 303 pp mold recommendations

  1. #1
    Boolit Buddy
    Join Date
    Oct 2013
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    Cordele, GA
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    240

    303 pp mold recommendations

    I'm just looking for some good molds to use for pp in the .303 Brit. The rifle is a modern one with a .312 groove dia.

  2. #2
    Boolit Grand Master Nobade's Avatar
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    May 2005
    Location
    Albuquerque, Nuevo Mexico
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    5,105
    A good first step is to make a chamber cast. That will best lead you in the direction of what your bullet should look like. Is this one of those Ruger #1s from a few years ago? If so you don't have the camming power of a bolt action so that will also dictate the bullet design.

  3. #3
    Boolit Grand Master

    Join Date
    May 2005
    Location
    Castlegar, B.C., Canada
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    If you want to buy an off the shelf mould these are likely good choices:

    https://noebulletmolds.com/site/shop...gc-1pb-303618/
    https://noebulletmolds.com/site/prod...303-218-sp-g2/

    I made a clone of the NRA design for my .308 Winchester rifle and it cast at 0.301". Worked well in my .308 but when I got my .303's I had poor success with the 0.301" boolit even when patched to match my 0.314" groove diameter. So I knurled some boolits up to 0.303" then paper patched and accuracy was much improved.

    Longbow

  4. #4
    Boolit Buddy
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    Oct 2013
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    Cordele, GA
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    Quote Originally Posted by Nobade View Post
    A good first step is to make a chamber cast. That will best lead you in the direction of what your bullet should look like. Is this one of those Ruger #1s from a few years ago? If so you don't have the camming power of a bolt action so that will also dictate the bullet design.
    Didn't know thery ever made No.1s in 303. This is a High Wall.

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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