Your Winchester model 1911SL(self Loading)shotgun was first made in the year 1911.
Try a 1300 barrel
Start with this site www.midwestgunworks.com
Check the receiver and barrel
"Your" Winchester Model 21 Double Barrel Shotgun was manufactured in 1933, giving it an age of 77 years, as of 2010.
Please include the model number of your Winchester shotgun to get a correct answer to your question along with the serial number.
No
That would depend on the type of barrel with the shotgun(plain,matte solid rib,or vent rib barrel)if a poly choke is present on the end of the barrel,and what condition the shotgun is in.
The Winchester Model 21 Grand American 3-barrel cased set. Bert H.
Check the receiver and bottom of the barrel
Yes, with a straight barrel, no choke.
Yes as long as you get one made for the Winchester model 1300 and chambered for the same length of shotgun shell that the receiver is chambered for.
You will need to include the shotgun model number,or model name.Type of shotgun(single shot,pump action,double barrel,or semi-auto)along with the serial number that you have provided to get the correct age of your Winchester shotgun.