These handguns are considered secret because they either do not spawn in the Shooting Range or are not findable by normal loot spawn means.
Hand Cannon (AKA: Miniature Cannon)
The stats for this weapon are unknown, but the weapon is a middleground between the Flintlock and the Musket.
The exact stats are unknown, but it is most likely the same as the M1911.
Unqiue Traits: Comes pre-equipped with a suppressor, replaces the barrel slot so no other barrel attachment can be added.
The Really Big Deagle
The stats are unknown, but the damage of this weapon is supposedly higher than the normal Desert Eagle.