in the loading tub bullet tip up under the barrel.
The Remington was first made im 1946
Link below
Send me your email & I'll send you a scan of the owners manual.
serial number on 550-1 remington 22 rifle
Tough question, the Remington model 550 is a .22 rifle not a 12 gauge shotgun.
value of Remington targetmaster model 41 cal 22rifle
22 cartridges fo .22 short
Remington.
Remington didn't make a model 54, Winchester did but not in 22 (that I know of), Marlin model 54 is a shotgun.
50-300
It's date stamped also by serial. Dates here: http://remingtonsociety.com/rsa/questions/barrelcodes