The 390 is a dicontinued model, The 391 has a slimmer forearm and a slightly different gas system.
Bud1 is correct. Walmart carries only the 390 series.
The 391 has a rounded receiver unlike the field 390 that has a hump. The 390 Silver Mallard did have a rounded receiver as well.
On the money SC cicuit, the 391 is the #1 semi-auto being used if that means anything to you.
|