Pistol. A weapon originally designed, made, and intended to fire a projectile (bullet) from one or more barrels when held in one hand, and having:
(1) A chamber(s) as an integral part(s) of, or permanently aligned with, the bore(s).
(2) A short stock designed to be gripped by one hand and at an angle to and extending below the line of the bore(s).
32 CFR § 552.126
For the purpose of this part, the following definitions apply: