Watch this to see why the Cammenga EMag is the only 5.56MM magazine you'll ever need.
  

  YouTube video of our AR15 retrofit piston system, by Adams Arms
  

  An interview from the 2009 SHOT Show with Alex Zimmerman, maker of the .50 GI Glock conversion
  

  Watch a gentleman with a VERY fast trigger finger function test the GSG-5 Carbine