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Thread: 38 Special-+P

  1. 01-20-2020, 11:45 AM #41
    Petander
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    Yes,it's not like there's an on/off treshold for a kaboom right after a certain working pressure.

    Quick Load can show interesting things though. A deep seated wadcutter doesn't need much extra powder to rise pressures a lot.

    This is what I usually shoot in Mod 14, around 18k psi.

    .

    Adding 0.03 grains takes the pressure above 23k,only a fraction over CIP but then there's no margin for powder dispenser /OAL variations that can and do happen with progressive loaders.

    A one grain change from 4.0 to 5.0 grains takes 21.3k (ok CIP) pressure to 33.7k psi.

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  2. 01-20-2020, 01:23 PM #42
    USSR
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    Yep, with the deep seated wadcutters it don't take much more powder to raise the pressure level.

    Don
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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