Firearm construction

Claim 1

A PISTOL FOR USE WITH CARTRIDGES HAVING A SUBSTANTIALLY UNIFORM MAXIMUM DIAMETER CASE PORTION, COMPRISING A FRAME, A BARREL HAVING A REAR PORTION INTEGRALLY CARRYING A DOWNWARDLY DIRECTED LUG WHICH HAS A PRESS FIT IN A RECESSED PORTION OF SAID FRAME AND WHICH IS RIGIDLY FIXED TO SAID FRAME BY AT LEAST TWO CROSS PINS EXTENDING THROUGH SAID LUG AND INTO SAID FRAME SO THAT SAID BARREL IS THEREBY RIGIDLY CONNECTED TO SAID FRAME, SAID BARREL INCLUDING A RIFLED INTERIOR PORTION AND A CARTRIDGE CHAMBER PORTION IN AXIAL ALIGNMENT THEREWITH, SAID RIFLED PORTION BEING OF SLIGHTLY SMALLER DIAMETER THAN SAID CASE PORTION, SAID CHAMBER PORTION BEING OF GREATER ELONGATION THAN SAID CARTRIDGES AND HAVING A SUBSTANTIALLY UNIFORM DIAMETER ACCOMMODATING SAID CASE PORTION, ONE OF SAID CARTRIDGES BEING LODGED WITHIN SAID CHAMBER PORTION WHEN THE PISTOL IS READY TO BE DISCHARGED, A SUBSTANTIALLY CYLINDRICAL BREECH BOLT RECIPROCABLY MOUNTED IN SAID FRAME IN AXIAL ALIGNMENT WITH SAID CHAMBER PORTION AND HAVING AN ELONGATED FORWARD PORTION OF SUBSTANTIALLY UNIFORM SMALLER DIAMETER ADAPTED TO EXTEND INTO SAID CHAMBER PORTION, A SLIDE ASSEMBLY AXIALLY RECIPROCABLE WITH RESPECT TO SAID FRME, SAID BREECH BOLT BEING SECURED TO SAID SLIDE ASSEMBLY FOR RECIPROCATION THEREWITH, RECOIL SPRING MEANS INTERPOSED BETWEEN SAID SLIDE ASSEMBLY AND SAID FRAME FOR BIASING SAID SLIDE ASSEMBLY AND SAID BREECH BOLT FORWARDLY INTO A REST POSITION IN WHICH SAID FORWARD PORTION OF THE BREECH BOLT EXTENDS INTO SAID CHAMBER PORTION FOR SEATING SAID ONE CARTRIDGE, A SUBSTANTIALLY CYLINDRICAL FIRING PIN CONCENTRICALLY LODGED WITHIN AN ELONGGATED RECESS OF SAID BREECH BOLT, A SPRING INTERPOSED BETWEEN A FRONTAL WALL OF SAID RECESS AND FORWARD SHOULDER OF SAID FIRING PIN FOR BIASING THE LATTER AWAY FROM SAID CHAMBER PORTION, TENSIONABLE AND RELEASABLE HAMMER MEANS ADAPTED TO PROJECT SAID FIRING PIN TOWARD AND INTO CONTACT WITH SAID ONE CARTRIDGE, WHEREBY THE LATTER IS DISCHARGED FROMTHE PISTOL, SAID FIRING PIN BEING ACTED UPON WHILE SAID BREECH BOLT IS IN SAID REST POSITION, SAID BREECH BOLT INCLUDING MEANS TO HOLD SAID ONE CARTRIDGE DURING SAID DISCHARGE, THE RECIPROCATION OF SAID BREECH BOLT CONSISTING OF A PRIMARY REARWARD MOTION UPONM FIRING AND EXPLOSION OF SAID ONE CARTRIDGE, AWAY FOM SAID REST POSITION TOWARD A MOMENTARY EXTREME REARWARD POSITION, FOLLOWED BY AN IMMEDIATE SECONDARY FORWARD MOTION TOWARD SAID CHAMBER PORTION, SAID HAMMER MEANS BEING TENSIONED BY SAID BREECH BOLT DURING SAID PRIMARY REARWARD MOTION AND MANUALLY RELEASABLE BY THE OPRATOR OF THE PISTOL