serial number:7700
builder: BOSS
bore: 20
BARREL LENGTH: Inch 26
1st CHOKE : CIL
2nd CHOKE : 1/4
chamber: Inch 2 3/4
stock LENGTH: Inch 14
weight: Pound 5.56
year of building: 1930
additional details:

SLE, chopperlump barrels, solid top-rib, automatic safety, double trigger, straight-grip stock