Resources Contact Us Home
Modular sleeve

Image Number 2 for United States Patent #RE40216.

A Swan universal receiver sleeve attached to the top of a firearm upper receiver and extended forward above the firearm barrel to a position just short of the firearm front sight. The underside of the rear portion of the sleeve is fixedly attached to the receiver top. The underside of the forward portion of the sleeve has an upper handguard piece attached thereto. A bottom handguard piece is fitted about the bottom of the gun barrel and is attached to the upper handguard piece. The handguard pieces are not physically connected in any way to the gun barrel. The sleeve is self supported by the connection of the rear portion underside to the receiver top.

  Recently Added Patents
Blood transfer chamber
Active planar autofocus
Modular pet house and entertainment system
Two-dimensional optical scanner and light stimulus apparatus
System and method for identity management for mobile devices
Methods of synthesis of certain hydroxamic acid compounds
Electronic code display device
  Randomly Featured Patents
Ram air channel for the supply of ambient air in an aircraft
Powered actuating device for a closure panel of a vehicle
Intake air dehumidification system for an internal combustion engine
Interactive weather advisory system
Web tension equalizing roll and tracking apparatus
Load piston reset control mechanism
Radiation structure for heating element
Frequency control device, frequency control method, base station apparatus, and mobile station apparatus
Adaptive filter for signal processing and method therefor
Radio and cooler