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
Location-based method to specify ratio frequency spectrum rights
Process and intermediates for preparing lapatinib
Transducer displacement protection
Managing aging of silicon in an integrated circuit device
Adjustable high precision surveying device
Dental plier
Optoelectronic semiconductor chip comprising a reflective layer
  Randomly Featured Patents
Groundwater sampler
Working with two different object types within the generic search tool
Absorption enhancement of antibiotics
Electrical connector with improved terminals
Developing device, process cartridge, image forming apparatus and developer discharge device having a discharge port
Heat-assisted magnetic recording head constituted of slider and light source unit, and manufacturing method of the head
Phase-shifting mask and a manufacturing method thereof
Cordless telephone and method for controlling transmission power of handset unit thereof
Switching power supply gate driver
Sulfamoyl compounds and agricultural and horticultural fungicides