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  • JRD's Avatar
    06-22-2018, 08:26 AM
    JRD replied to a thread MIM parts in Gunsmithing Tips & Tricks
    fatelk, What they mean by Firing Pin MIM, is that the firing pin is for the MIM hammer. Back in the early 90's S&W switched designs from the old "hammer nose" which was a pivoting firing pin mounted on the hammer face to the flat faced hammer with...
    8 replies | 442 view(s)
  • JRD's Avatar
    06-21-2018, 08:26 AM
    JRD replied to a thread MIM parts in Gunsmithing Tips & Tricks
    That firing pin isn't a MIM at all. It's a machined part made on a screw machine. It's machined from titanium. The gas from the pierced primer is what cooked the tip of your firing pin. Pierced primers are unusual in a revolver, but they can...
    8 replies | 442 view(s)
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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