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Thread: First BPCR

  1. 01-25-2023, 06:39 PM #21
    beltfed
    beltfed is offline
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    According to Bad Ass W. his 50 cal is 0.500/0.510 at breech and 0.502/510 at muzzle.
    That is saying the BORE/Lands are larger diameter at Muzzle 0.500 vs 0.502 at breech and the Groove is the same at 0.510.
    Are you sure about that or is this backwards?
    Most barrel makers would make Both Bore And Groove slightly Smaller at muzzle if they are bothering.
    beltfed/arnie
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  2. 01-26-2023, 02:10 AM #22
    Bad Ass Wallace
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    Quote Originally Posted by beltfed View Post
    According to Bad Ass W. his 50 cal is 0.500/0.510 at breech and 0.502/510 at muzzle.
    That is saying the BORE/Lands are larger diameter at Muzzle 0.500 vs 0.502 at breech and the Groove is the same at 0.510.
    Are you sure about that or is this backwards?
    Most barrel makers would make Both Bore And Groove slightly Smaller at muzzle if they are bothering.
    beltfed/arnie
    You are correct, I got it ass backward!
    Hold Still Varmint; while I plugs Yer!
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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