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.
0.7 mm = 21 gauge- Google it
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.
Some are 12 gauge, some are 16 gauge. The MX16 is a 12 gauge frame; same frame size for both gauges.
12 gauge Springfield Arms 1916
No
12 gauge