DPMS or Stag Arms barrel

Mpi?
Hpt?

Magnetic Particle Inspected, and High Pressure Tested.

A couple tests to ensure the barrel will resist bursting if an obstruction or double load or something makes its way into the rifle. It's usually a sign a manufacturer makes good quality barrels if they proof test all of them.
 
I posted a thread about my stag arms upper. It was a huge disappointment. Factory defect with the chrome plating or something. Still waiting for a solution from the place i bought it from. So as always YMMV
 
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