here are some slings. they are great price and quality
http://www.cheaperthandirt.com/CategoryListing.aspx?catid=331
DO NOT ATTEMPT TO USE PARTS THAT WERE NOT MADE FOR YOUR WEAPON!!!!!!!!!!! Danger, danger, danger.
Mossberg made parts only.
Where can you find parts for your Charles daily shotgun
You can purchase parts for a Ranger model 30 16 gauge shotgun at these locations. Gunbroker, Topgunsupply, Budsgunshop, Gunpartshop and Midwayusa.
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There are some sources for Crescent shotgun parts, but it is very possible that parts will have to be repaired/made.
I have parts for that model. sales@countrygunsmith.net
Try e-gunparts.com
looking for stock model sb 20 gauge
numrich gunparts.com has everything but the stock
You can find parts for many westernfield shotguns at Numrich gun parts. WWW.e-gunparts.com
Typical Crescent single-barrel shotgun. I have a good supply of parts. sales@countrygunsmith.net