Abstract: A reciprocating rotor and ratchet assembly wherein the rotor is indexed a certain angle of rotation with each reciprocation of the ratchet member. The assembly includes a housing, the rotor and the ratchet member. The rotor and ratchet member are rotatably located within the housing. The ratchet member includes at least one locking lug and is rotatable between first and second positions relative to housing. The locking lug engages the rotor when the locking lug is rotated in a first direction from the first position to the second position, and causes the rotor to rotate with the locking lug. The locking lug engages the housing when the ratchet member is in the second position and, in this position, the housing maintains the ratchet member in engagement with the rotor in a manner to stop rotation of the rotor.

Abstract: An improved magazine for fragile projectiles such as pellets or paint balls, wherein the front end of a rotating drive member is formed with elongated fingers to form individual chambers to feed the projectiles one by one out of the magazine synchronously with the firing of the gun. An escapement member operated by some portion of the gun permits rotation of the carrier within the housing of the magazine, one projectile distance at time, to cooperate with the elongated fingers and an exit ramp formed in the front end cap of the magazine. The projectiles do not contact each other radially while in the magazine.

Abstract: An optional removable front grip usable with any firearm having a barrel shroud formed with a row of regularly spaced openings on its underside. Such openings are routinely provided to ventilate the barrel. The invention front grip is hollow and is provided with a set of lugs which engage any three adjacent barrel shroud ventilation openings to thereby accommodate shooters having different arm lengths. One of the lugs is a locking lug which is operated easily by a screwdriver inserted through the hollow grip.