The old Top here: I'm an F class shooter and handloader and my target gun is an old Colt SP-1 lower with a JP Enterprises adjustable "Fire Control System"--(trigger group) and a JP Enterprises Grade II upper w/24" SS cryo super-match bbl. and a Weaver T-36 1/8 moa target dot scope and I regularly clean 60 round matches(sometimes winning , sometimes looseing--"X"-count) several of my fellow shooters use Jewel, Jard , and Giessele triggers. All of them have shot my AR at one time or another and have commented how sweet it is. I relate it to lightly moving my index finger into soft butter. I like my JP better than any of theirs, and for shooting off a rest , bi-pod or bench a 2 stage doesn't cut it for me. maybe 2 stage with slings or tactical use but for me and "F"class The adjustable thing makes it..But Thats what works for me. THANX--msgtGENO