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Thread: Building a Barrel Rifling Machine

  1. #21
    Boolit Grand Master 303Guy's Avatar
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    Is there any reason why the cutter should have a curved profile?
    If it was flat across the top it would have to remove less material and would produce a semi-polygonal barrel.
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  2. #22
    Boolit Master

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    Quote Originally Posted by 303Guy View Post
    Is there any reason why the cutter should have a curved profile?
    If it was flat across the top it would have to remove less material and would produce a semi-polygonal barrel.
    Use a wide enough cutter in a 6 groove and you end up with a Whitworth barrel.

  3. #23
    Boolit Master

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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