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
Block polymers and their process of preparation
Oil extractor and the preparation method thereof
Multiple RF band operation in mobile devices
Closed-loop adaptive adjustment of pacing therapy based on cardiogenic impedance signals detected by an implantable medical device
Method and systems for detecting duplicate travel path
Application authentication system and method
Positive electrode active material for nonaqueous electrolyte secondary battery
  Randomly Featured Patents
Digital video recording/playback system with entry point processing function
Device for mixing gases with liquids
Method of treating cardiac insufficiency using angiotensin-converting enzyme inhibitors
Treatment of autoimmune diseases
Nose cone bearing arrangement
Method and apparatus for performing multiply-add operations on packed data
Coated optical fibers having a reduced content of extractable and volatile material
Anti-lock controller
Method and apparatus for providing power to a visual messaging system for high-speed networks
Removal of dissolved copper from aqueous solution also containing dissolved cobalt or manganese