January 1, 2008

A modular receiver system for firearms comprising a barrel and receiver assembly providing a quick changeover coupling means for connecting the barrel to the receiver, wherein the coupling means comprises a barrel retaining bushing and a pair of opposed cam surfaces on the receiver for hinged engagement of the cam surfaces against the barrel, and wherein the modular receiver system further comprises a rail system for mounting ancillary firearms equipments.

15

January 1, 2008

11/188,734

July 26, 2005

42/75.02  

F41A   21/00   (20060101)  

42/75.01   42/2   42/3   42/4   42/5   42/6   42/7   42/8   42/9   42/10   42/11   42/12   42/13   42/14   42/15   42/16   42/17   42/18   42/19   42/20   42/21   42/22   42/23   42/24   42/25   42/26   42/27   42/28   42/29   42/30   42/31   42/32   42/33   42/34   42/35   42/36   42/37   42/38   42/39   42/40   42/41   42/42   42/43   42/44   42/45   42/46   42/47   42/48   42/49   42/50   42/51   42/52   42/53   42/54   42/55   42/56   42/57   42/58   42/59   42/60   42/61   42/62   42/63   42/64   42/65   42/66   42/67   42/68   42/69   42/70   42/71   42/72   42/73   42/74   42/75.04