From my bookmarks, @jkingrphI don't know what you mean by a two screw mod. Polishing the OEM sear and a lighter or adjustable spring will help. The original and that model from AOA will give a two stage pull. When they were available the original was much less expensive than that one from AOA.
The 2 screw mod can also be a 3 screw mod.
I've only tried 2
Disco trigger advice - Airguns & Guns Forum
Disco trigger advice, Air guns, Airgun Forum
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