With an insert. Go to http://www.mcace.com/shotguninserts.htm
Convert gauge to mil
12
12 gauge the higher the gauge the thicker the item is
12 gauge is thicker than 14 gauge.
12 gauge is thicker than 20 gauge. The lower the gauge, the thicker the sheet metal or wire.
12 gauge by far
The 12-gauge is thicker.
0.7 mm = 21 gauge- Google it
Some are 12 gauge, some are 16 gauge. The MX16 is a 12 gauge frame; same frame size for both gauges.
To convert gauge pressure to absolute pressure, add the atmospheric pressure to the gauge pressure reading. This will give you the total pressure, including the pressure exerted by the atmosphere.
No
12 gauge