A proof round is a round loaded to excessive pressures to test the durability of bolts and barrels. This test is referred to as a High Pressure Test (HPT), and is done prior to a magnetic particle inspection (MPI), which checks for cracks and contusions in the metal.
| Attributes | Values |
|---|---|
| rdfs:label |
|
| rdfs:comment |
|
| dcterms:subject | |
| abstract |
|