Greetings! I recently purchased these two products for my Iver Johnson Champion.
Product # 471790 - Trigger Spring, Round Top Style, New Product # 1709870 - Trigger Spring, Round Top Style, Used Factory Original
Neither is suitable for use in that model shotgun as they result in a trigger pull of 1-1/2lbs as installed by an experienced gunsmith. I have several of these shotguns. Their trigger springs vary but are upwards of 3-1/2 lbs. I don’t know how this situation developed as one would think a factory original would be like those in my shotguns however it is what it is and in my opinion use of these springs creates a very hazardous condition. Thank you.
Please disregard. The gunsmith called me back being very apologetic. The answer was simply to put more bend in the spring. Nobody's perfect it seems or ever will be so I'll give him a pass ... this time.