<p>A pneumatic nailing mechanism (24) with a housing (12) forming a handle (20) with opposite ends and a longitudinal axis (21) extending therebetween. A cap magazine (60) extends from the housing and includes a track (66) and a slot (68) defined within the track. A latch member (80) includes with a first portion (82) extendable through the slot into an internal volume of the magazine and a second portion (84) extending radially out of the cap magazine. A bracket (90) is provided that is configured to ride within the track and the latch member is rotatably connected to the bracket along an axis perpendicular to the cap magazine axis against the biasing force of a spring (96).</p>
