Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Interchangeable caliber semi-automatic rifle










Image Number 4 for United States Patent #7631453.

A semi-automatic rifle kit comprises a receiver; first and second bolt assemblies that can be interchangeably inserted inside the receiver when no barrel is coupled to the receiver; and first and second barrels that can be interchangeably coupled to the receiver when no bolt assembly is inserted inside the receiver. The first bolt assembly can be inserted inside the receiver when the first barrel is coupled to the receiver, but not when the second barrel is coupled to the receiver. The second bolt assembly can be inserted inside the receiver when the second barrel is coupled to the receiver, but not when the first barrel is coupled to the receiver. The first bolt assembly and the first barrel are designed for use with a first type of cartridge, but not a second type of cartridge. The second bolt assembly and the second barrel being are designed for use with the second type of cartridge, but not the first type of cartridge.








 
 
  Recently Added Patents
Polyurethane resin, toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
Method of and apparatus for laser drilling holes with improved taper
Compact bus bar assembly, switching device and power distribution system
Shoe
Method for using extended security system, extended security system and devices
Antibodies to CCR2
Display apparatus and control method thereof
  Randomly Featured Patents
Heat-latent curing catalyst and resin compositions containing the same
Compositions and methods comprising farnesyl dibenzodiazepinones for treating neoplastic cells and conditions
High mast light support system
Heald shaft for a weaving machine
Axle stubbing jig and method of use
Antistatic clothing
Reversible thermosensitive recording material
Piezoelectric actuators
Beam recording method and device
On-track process for patterning hardmask by multiple dark field exposures