The Ruger LCRx 3" extends the standard LCR platform with a 3-inch barrel, an exposed hammer, and an adjustable rear sight. Compared to the snub Ruger LCR (1.88" barrel, DAO, hammerless), this version trades pocket-carry profile for a longer sight radius, single-action capability, and adjustable point-of-impact. Weight only climbs from 13.5 oz to 15.7 oz, which is remarkable given the extra inch of barrel and the added hammer mechanism — Ruger's polymer fire-control housing keeps the platform light even at 3 inches.

The adjustable rear is a real point of difference in this class. Almost every other lightweight .38 in the catalog ships with fixed sights, including all the S&W Airweights and the original LCR. The adjustable rear lets shooters tune for their preferred load weight — heavy 158 grain rounds and lighter 110 grain defensive loads print to noticeably different points of impact at 15 yards, and the LCRx 3" can be zeroed for either. The replaceable pinned front blade also accepts tritium and fiber optic upgrades without a gunsmith — same as the LCR.

The exposed hammer rules this gun out for pocket carry — the spur catches on pocket fabric the same way it does on the S&W 637. The 3-inch barrel also pushes overall length to 7.5 inches, which is past comfortable pocket range regardless. The LCRx 3" makes sense as a belt or IWB gun for shooters who want adjustable sights, the option to cock for a careful single-action shot, and the smoother trigger Ruger has built its LCR reputation on. The all-steel-frame Taurus 856 Defender is the comparison at the same 3" barrel length — it gives up the SA option and the adjustable sight, but the steel-frame mass and Taurus's larger grip frame fit shooters whose hands are too big for the LCR profile.