My understanding from reading on another forum is if you order a "hairpin style trigger bar spring and a new style mainspring", you should be able to fit at least the E2 grips on your old gun, but you may also be able to use the slim grips. I wouldn't bet on my word, since I'm not a SIG guy, but I'd at least give SIG a call and ask if those changes would work and if they can sell you the parts.
Dave, to use the thin grips on German/W. German P220s, I use the later plastic mainspring seat, strut and mainspring. Not much added expense over just the thin grips, and easily installed.....ymmv
Someone gave me thin P220 grips that had been modified to fit an older model. I contoured the main spring seat (old style) and the grips fit great. Thanks for the input.
I have an older West German Sig 220. It was made not long after they got rid of the European stype grip heel mag release, so it's an old one- circa 1986.
I put the Hogue G-10 grips on it with no issues whatsoever. They make a great pistol feel and handle even better.
I got mine from www.gregcotellc.com - He carries 96 flavors of Sig Grips. He's also a great source for mags and accessories of all types and he only carries quality stuff.
Shipping is very fast also.
Give him a call. He'll make sure that you get the right grips for your pistol.
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