10mm HSM 200gr FMJ

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    1. #1
      Junior Member
      Join Date
      Mar 2011
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      10

      10mm HSM 200gr FMJ

      Finally got around to shooting some of this HSM ammo today. Weather here in southern Oregon was perfect.
      Rounds were shot out of a stock Glock 20-SF at 25 yards.



      I found a box sitting with some other HSM ammo all by itself at the local Sportsman’s.
      Packaging is basic, they just grabbed 50 rounds, put them in a box and called it good.

      I wasn’t going to put this online, as it seemed pointless. It is highly unlikely anyone will see any ammo on shelves for a very long time, if ever… Now that we have this ‘black cloud’ hanging over us..

      Well what the heck.. I took all the pictures..

      Examining the rounds I found a COL of 1.243-1.246” and Starline brass.

      Taking a look inside I found a powder charge of 7.8grs.



      Here’s a closer look;



      Here is a shot of the primer;



      The sample bullet weighed 200.2grs.



      At the range I shot seven rounds. I still have this ‘first shot is a flyer thing goin on..’
      Aside from the flyer, I got a pretty good group from this ammo.
      The target circles are 5½".



      Case head measurements; .4340” .4340” .4340” .4342” .4332” .4339” .4338”

      This is not wimpy ammo.. Velocity averaged 1086 fps and a spread of 26 fps.

      Well, that’s about it.. Be safe.

    2. #2
      Junior Member
      Join Date
      Nov 2008
      Posts
      4
      Thanks for the review. I got 4 boxes from there last summer and haven't tried them yet.

    3. #3
      Junior Member The_Shadow's Avatar
      Join Date
      Mar 2013
      Location
      Southeast, LoUiSiAna
      Posts
      3
      RDub, I know this one is older but the powder looks like Longshot for the HSM 200 FMJ.
      Take care, best regards...

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