# TP: Polymer Frame, 4" Barrel
# KP: Polymer Frame, 3.6" Barrel, 2.5" Barrel (.380 ACP Models)
# PM: Polymer Frame, 3" Barrel
# KT: Steel Frame, 4" Barrel
# K: Steel Frame, 3.5" Barrel
# M: Steel Frame, 3" Barrel
# CW: Concealed Weapon, Polymer Frame & Stainless Steel Slide, 3.6" Barrel

1st Three Numbers
# 454: .45 ACP
# 404: .40 S&W
# 919: 9mm
(with External Safety & LCI)
# 909: 9mm
# 383: .380 ACP


4th Number
# 0: Carbon Steel, Black Oxide*
# 1: Carbon Steel, Nickel Finish*
# 2: Carbon Steel, Black T Finish*
# 3: Matte Stainless Steel
# 4: Blackened Stainless Steel
# 6: Polished Stainless Steel, Elite98*
# 8: Polished Stainless Steel, Elite2003
# * Discontinued


Letters at end
# L: Crimson Trace Laser Sight
# N: Tritium Night Sights
# NOVAK: Novak Low Profile Tritium Night Sights