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Discussion Starter #1
Hey guys,

I FINALLY got to shoot my USC/UMP45 with my Blackside today.

I had my flanged HDPS barrel threaded at USMachineguns LLC so it still has the look of the UMP bbl except I can thread my can on it. Door to door on the thread job was one week. I'm very pleased with the work they performed and the level of communication I received.

I'm still exciting from firing it earlier today. Such a dream to shoot. Unfortunately I had to go to an indoor range so I couldn't really judge the level of suppression except that it makes a satisfying "thwock" sound much like smacking a tennis ball. POA to POI shift wasn't bad at 12yds at one inch to the right. Made a nice ragged hole where the bulls eye used to be, off hand. Will be able to judge the sound reduction and POA/POI at 25yds when I get a chance to take it outdoors.

To sum up, I love this thing.
 

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Discussion Starter #2
Obligatory pic

 

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very nice
 
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