Back to results
US 8,943,726 B2Granted
Spring enhanced buffer for a firearm
AssigneeAbrams Airborne Inc.
InventorEric Stephen Kincel
Life of this patent
Estimating the term…
Abstract
A buffer for a firearm having a sleeve member having an open end and a closed end. A set of weights having a combined predefined mass are contained within the sleeve member. A bumper secures and seals the open end of the sleeve. A spring is positioned between two of the weights within the sleeve to maintain the mass at a predetermined location when the buffer is in an at-rest position.
Claims13
A buffer for a firearm comprising:
- a) a sleeve member having an open end and a closed end, except for a collar thereon, said sleeve member having a uniform diameter;
- b) at least four weights contained within said sleeve member, at least one of said weights having a mass greater than the mass of another weight;
- c) at least one spring contained within said sleeve and positioned between two weights within the sleeve member;
- and,
- d) a bumper secured to and sealing the open end of said sleeve member.
2 more elements
A weight system for buffer for a firearm comprising:
- a) at least four weights contained within a sleeve member of the buffer;
- and,
- b) at least one spring contained within said sleeve and positioned between two weights within the sleeve member.
A buffer for a firearm comprising:
- a) a sleeve member having an open end and a closed end, except for a collar thereon, said sleeve member having a uniform diameter;
- b) at least three weights contained within said sleeve member, each of said at least three weights having substantially identical mass;
- c) a spring contained within said sleeve and positioned between two weights within the sleeve member;
- and,
- d) a bumper secured to and sealing the open end of said sleeve member.
2 more elements
Dependencies are inferred from the claim text.