| COLT DEFENSE, LLC Patent applications |
| Patent application number | Title | Published |
| 20120297656 | Modular Firearm - A firearm having a lower receiver is provided. The receiver is adapted to couple with a plurality of upper receivers having different calibers. The lower receiver comprises a receiver extension having an opening therein. A spring is disposed within the opening. A buffer member is provided having a first portion having an end. The buffer member is coupled to the spring within the opening, wherein the buffer member is movable between a first position where the end is within the opening and a second position wherein the end external to the opening. | 11-29-2012 |
| 20120167433 | MODULAR AUTOMATIC OR SEMI-AUTOMATIC RIFLE - A modular automatic or semiautomatic rifle. The rifle has a lower receiver assembly having a fire control assembly for firing the rifle. An upper receiver assembly is provided with a frame and a bolt carrier assembly configured for firing bullets of a predetermined caliber. The lower receiver has a mating interface configured for operably joining the lower receiver assembly to the upper receiver assembly, and for operably joining the lower receiver assembly to another upper receiver assembly different from the upper receiver assembly configured for firing bullets of the predetermined caliber. The other upper receiver assembly has a different frame and different bolt carrier assembly configured for firing bullets of a different predetermined caliber. | 07-05-2012 |
| 20120152106 | FIREARM HAVING A DIRECT GAS IMPINGEMENT OPERATING SYSTEM - A direct gas impingement operating system for an automatic or semi-automatic rifle. The direct gas impingement operating system has a gas block fitted to a barrel having a bore, the gas block in communication with the bore. A gas sleeve is located in the gas block, the gas sleeve in communication with the bore through the gas block. A bolt assembly having an impingement cylinder and a gas line is fitted to the sleeve in communication with the bore through the sleeve and the gas block, the gas line further in fluid communication with the impingement cylinder. Gas discharged from a fired cartridge displaces the impingement cylinder displacing the bolt assembly. The sleeve and the gas line are removable from the gas block without removal of the gas block from the firearm. | 06-21-2012 |
| 20120152104 | FIREARM HAVING A HYBRID INDIRECT GAS OPERATING SYSTEM - An automatic or semi-automatic rifle. The rifle has a receiver and a bolt having a striking surface, the bolt enclosed within the receiver. A barrel has a bore, the barrel coupled to the receiver. An indirect gas operating system has a cylinder and a piston, the indirect gas operating system mounted with a mounting structure substantially independent of the barrel. The cylinder is in communication with the bore, and the piston is fitted to the cylinder and disposed for striking the striking surface and displacing the bolt assembly. | 06-21-2012 |
| 20120137562 | AUTOMATIC OR SEMIAUTOMATIC RIFLE WITH FOLDING CLAMSHELL BUTTSTOCK - An automatic or semiautomatic blackrifle type rifle having a receiver and a bolt carrier movably coupled to the receiver. An action system is connected to the bolt carrier for cycling the bolt carrier in the receiver. A folding butt stock is connected to the receiver, the folding butt stock being both foldable and collapsible. | 06-07-2012 |
| 20120132068 | FIREARM HAVING A REMOVABLE HAND GUARD - A semi-automatic or automatic rifle. The rifle has a receiver having a receiver frame, a barrel removably connected to the receiver frame and a cover coupled to the barrel. A removable hand guard section extends over and generally surrounds the barrel, the removable hand guard section removably connected to the receiver. The removable hand guard section has a locating feature adapted to engage with the cover and locate the hand guard relative to the cover. The barrel has a locking collar adapted to removably position and lock the removable hand guard section relative to the receiver frame and the barrel. The removable hand guard floats in position relative to the barrel. | 05-31-2012 |
| 20110131857 | AUTOMATIC OR SEMIAUTOMATIC RIFLE WITH FOLDING STOCK - An automatic or semiautomatic rifle having a receiver and a bolt carrier movably coupled to the receiver. An action system is connected to the bolt carrier for cycling the bolt carrier in the receiver. A receiver extension is connected to the receiver, at least part of the action system extending into the receiver extension. A folding stock is connected to the receiver. The receiver extension is located within the folding stock. | 06-09-2011 |
| 20110079137 | TRIGGER AND HAMMER FOR AUTOMATIC AND SEMI-AUTOMATIC RIFLES - An automatic or semi-automatic firearm including a trigger having a frame, at least one trigger sear extending from the frame, and a hammer having a hammer pivot axis, a head and at least one hammer sear disposed on a lateral side of the hammer between the hammer pivot axis and the head, wherein the frame includes a pivot axis and the at least one trigger sear includes a trigger sear surface, the at least one trigger sear extending from the frame such that the at least one trigger sear engages a corresponding one of the at least one hammer sear. | 04-07-2011 |
| 20100327531 | Portable firing berm - A portable firing berm adapted to capture bullets fired at the berm. The portable berm has a frame forming an opening through which bullets fired at the berm enter the berm and a bullet containment portion communicating with the opening. The bullet containment portion has an integral impact section disposed so that unspent bullets received in the bullet containment portion impact against and are stopped by the impact section, and having an integral bullet containment section arranged to contain bullets and bullet fragments from the impact section. The bullet containment portion is movably mounted to the frame to move substantially as a unit relative to the opening from one position to another position. | 12-30-2010 |
| 20100300277 | LAW ENFORCEMENT CARBINE WITH ONE PIECE RECEIVER - A semi-automatic or automatic rifle is provided. The semi-automatic or automatic rifle includes a receiver having an integral hand guard portion, a barrel having a bore. The bore is removably connected to the receiver, the hand guard portion extending over and surrounding the barrel, an indirect gas operating system has a gas block and a piston. The gas block has a cylinder, the gas block is fitted to the barrel, the cylinder is in communication with the bore. The piston has a piston end and a striking end, the piston end is fitted to the cylinder and has a bolt carrier having a striking surface. When a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly, wherein, the cylinder and the piston are together removable as an assembly from the firearm without disassembly of the rifle. | 12-02-2010 |
| 20100132541 | FIREARM FIRE CONTROL SELECTOR - An automatic firearm capable of automatic or semiautomatic fire. The firearm has a receiver having a moveable hammer. A selector is rotatably mounted in the receiver. A first sear is rotatably mounted in the receiver to engage the hammer where the first sear contacts a first camming surface of the selector. A second sear is rotatably mounted in the receiver to engage the hammer where the second sear contacts a second camming surface of the selector. A disconnect is rotatably mounted in the receiver where the disconnect contacts a third camming surface of the selector. The selector has a number of selectable positions disposed so that rotation of the selector between a first and last selectable position of the number of selectable positions is less than 180 degrees. | 06-03-2010 |
| 20100095834 | FIREARM HAVING AN INDIRECT GAS OPERATING SYSTEM - A black rifle configuration automatic or semi-automatic firearm having an indirect gas operating system. The firearm has a black rifle configuration receiver assembly having a bolt assembly enclosed within. The bolt assembly having a striking surface and a barrel assembly having a bore, the barrel assembly being coupled to the receiver assembly. A gas block is fitted to the barrel assembly, the gas block having a front folding sight. A rod assembly has a striking rod. Gas discharged from a fired cartridge displaces the piston and causes the striking rod displace the bolt assembly. | 04-22-2010 |
| 20090102130 | PORTABLE FIRING BERM - A portable firing berm adapted to capture bullet fragments from rounds fired at the berm. The portable firing berm has a funnel portion and a dry tank portion connected to the funnel portion. The funnel portion is configured to funnel and deflect rounds into the dry tank portion. The dry tank portion has absorbing media fill therein, the absorbing media being arranged to absorb energy from the fired rounds and to capture and contain the bullet fragments. | 04-23-2009 |
| 20090056191 | FIREARM ACCESSORY MOUNTING SYSTEM - A firearm having a barrel and an accessory mounting system. The accessory mounting system has a hand guard surrounding a portion of the barrel and fastening features coupled to the hand guard. Peripheral device mounting rails are coupled to the fastening features and located in a generally “Y” shape pattern. The generally “Y” shape pattern has a first peripheral device mounting rail located on a lower portion of the hand guard and second and third peripheral device mounting rails located on opposing sides of an upper portion of the hand guard. The peripheral device mounting rails are placed where peripheral devices mounted on the peripheral device mounting rails do not interfere with a line of sight of the firearm. | 03-05-2009 |