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Thread: MP 147gr HP.... Unique charge?

  1. 11-11-2022, 10:38 PM #1
    emt1581
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    MP 147gr HP.... Unique charge?

    I am using MP Mold's 147gr HP cast bullet. I'll be powder coating them. I have a bunch of Unique I'd like to use. From reading around, it looks like somewhere between 3.8gr and 4.3gr is what people use. Has anyone had experience using these bullets with Unique? How much powder did you use to keep them subsonic?

    I'm using a CGS Mod 9 can if that matters.

    Thanks!
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  2. 11-13-2022, 04:37 PM #2
    rintinglen
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    I don't know how long the barrel is on your gun, but I would have a pretty hard time driving mine supersonic. 3.8 Grains Unique only gives ~940 fps from my Sig 225 with a 3.9" BBL. I use Power Pistol more commonly.
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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