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Thread: UNDERWOOD 44 Magnum 255 HCGC & S&W M69 2.75 Inch

  1. #1
    Boolit Master
    Join Date
    Oct 2009
    Location
    Tennessee
    Posts
    1,907

    UNDERWOOD 44 Magnum 255 HCGC & S&W M69 2.75 Inch

    On 8-07-19 I chronoed some of the aforementioned ammo and it ran 1138 FPS average ES 72.23 FPS and SD 30.38 FPS.
    Just an idea on the velocity of one of the boutique ammo producers.
    We Know Mass Cannot Be Weighed But It Has Newtonian Weight And That Is Derived From Kilograms And Kilograms Can Be Converted to Pounds. But, Still Mass Cannot Be Weighed. But How is the kilograms obtained? Can Kilograms Be Weighed? Evidentally Yes It Can. But, Still Mass Cannot Be Weighed So Kilograms Must Not Exist. Funny Isn't It.
    One good thing out of this the next time I'm at the doctors and they want to weigh me I'll tell them mass cannot be weighed.

  2. #2
    Boolit Master Groo's Avatar
    Join Date
    Mar 2009
    Location
    Ohio
    Posts
    864
    Groo here
    Not bad for a 2 3/4 in barrel...

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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