I recently acquired a spotless 442-1 for a literal song and a dance at the LGS I work p/t at…
At the recommendation of Ryan, NCBeagle, I purchased a Ti cylinder and made the retrofit with the carbon steel cylinder of the 442. I used the existing extractor, center pin and springs with the Ti cylinder and in dry firing the timing is spot on! Weight of the pistol (empty) is 12.3 oz and fully loaded with short barrel GD rounds 14.6 oz. My GLOCK 42 fully loaded with 68 grain Underwood XD rounds weight 16.006 oz.
I prefer pocket carry with small PD pistols and find the 442 with its rounded edges carries easier and prints less compared to the G42 (both carried in A Holster Kydex pocket holsters.)

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jd SWCA #3276