R55 Pistol

 is a new custom-made pistol
 * Uses the 10mm ammo set (same as the N99)
 * Has semi-auto and automatic firing modes
 * Has all of the usual mod attachment uppgrades
 * Sights only include: iron sights, reflex (dot), and reflex (circle)
 * Can drop from various enemies and some vendors
 * Can be crafted in the Experimentation Lab
 * Has a chance to drop when rare sidearms spawn inside pre-war safes