Bruce, both are .22cal LR:

#3 is a 10 round Unique Model 52 by Manufacture d'Armes des Pyrenees in Hendaye, France.

#4 is a Stoeger Arms Corporation Luger.

Frank

'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum