I've only compared the connectors in my G43.L-2,
Have you actually compared the Ghost Edge against the revised Glock factory connector in a G42 in person?
Many Glock 42s, especially early ones (mine is from 2/2014) had triggers that measured over 9 pounds on a Lyman trigger pull scale and it sounds like the revised Glock connector is merely giving the G42 the 5.5 pound trigger it should've had in the first place. I haven't compared the two side by side but I would imagine the Ghost Edge is still an improvement if not in weight then at least in feel over a stock Glock trigger.
Here are the resulting average pull weights in my G43:
#33564: 5 lbs. 2 oz.
#33215: 6 lbs. 15 oz.
Ghost “Edge”: 5 lbs. 5 oz.
Here's a thread discussing the variability of the Glock connectors, however:
http://tinyurl.com/zd56ztz
EDIT/UPDATE 10/16/16: Over a week ago now, Glock has actually discontinued the 33215 connector. There is actually a heavier 8+ pound connector for those who want or need it, part #33847.
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