Slide assembly quick release pin with arm extension

A slide assembly for a firearm having a barrel and a frame, comprising:

• a casing comprised of a front casing, an internal recess and a rear casing, wherein the front casing extends from the internal recess to a distal end, and wherein the front casing further comprises a pair of apertures spaced above the frame, a slot, and a dimple in a sidewall of the front casing;
• a recoil assembly comprising a nose portion situated within the distal end of the front casing, wherein the nose portion of the recoil assembly comprises a bore aligned with the pair of apertures;
• a pin fixedly locking the recoil assembly to the casing, wherein the pin is comprised of a pin body and a pin arm, wherein the pin arm is fixedly attached to an end of the pin body, wherein the pin body has a first longitudinal axis and the pin arm has a second longitudinal axis that is askew from the first longitudinal axis, wherein the pin has a locked orientation with the pin arm abutting the sidewall of the front casing and the pin body extends through the apertures and the bore and an unlocked orientation in which the arm is rotated away from the sidewall of the front casing and the pin body slides outwardly from the apertures and the bore, wherein the pin arm is comprised of a locking lip, a detent, and a flexible center section between the locking hp and the detent, wherein the locking lip extends laterally away from the second longitudinal axis of the pin arm and is situated in the slot of the casing when the pin is in the locked orientation, wherein the detent is situated in the dimple of the sidewall in the front casing when the pin is in the locked orientation, and wherein the flexible center section forces the detent toward the dimple when the pin arm is situated in the slot of the casing.