and stock also compensates for the loss of metal in the action tube 23 caused by formation of the slot 42 the unitized body or housing 27 includes forward and rear end walls 58 and 59 parallel side walls 60 a bottom wall 61 and a pair of spaced parallel internal partition walls 62 and 63 defining between themselves a safety bar guide passage 64 a magazine chamber is defined in the body 27 between the partition walls 62 and forward end wall 58 and this chamber receives a cartridge follower 65 and cartridge follower spring 66 fig1 of the drawings depicts the staggered arrangement of cartridges 40 in the magazine chamber above the cartridge follower 65 a cut out or slot 67 is formed through the bottom of the action tube 23 above a rear chamber 68 of the unified body 27 for the firing mechanism of the rifle the cut out or slot 67 continues forwardly over the magazine chamber of the body 27 but is of somewhat reduced width in this region as shown at 69 in fig9 to prevent the upward escape of the cartridge follower 65 when the bolt 24 is retracted to the rear of the magazine chamber the upward movement of the follower 65 under influence of the spring 66 will boost each cartridge 40 in succession through the slot 69 and into the interior of the action.