Modular Upper Receiver Rail System for Firearm Adaptability
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Solution Overview
Problem
Standard firearm rails lack modularity and adaptability to varying barrel lengths and user preferences, limiting the configuration of accessories such as sights and GPS systems.
Innovation Solution
A modular rail system for the upper receiver that includes integral and removable rail components, allowing for customizable configurations with a free-floating design, enabling various accessory mounts and accommodating different barrel lengths through a keyed/keyway system and spring-biased mechanisms for securement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a standard firearm rail is used, then the structure is simple and easy to manufacture, but the adaptability to various barrel lengths and accessory configurations is limited
Solution Approach 1:
The rail system is divided into multiple modular segments that can be independently configured. The upper receiver includes a first rail portion and a second rail portion that can be selectively assembled in different configurations, allowing adaptation to various barrel lengths and accessory mounting requirements without requiring a completely different upper receiver for each configuration.
2Adaptability or versatility
If a modular rail system with multiple components is implemented, then adaptability to various configurations is improved, but the device complexity and number of parts increases
Solution Approach 1:
The first and second rail portions are designed to be integrally formed with the upper receiver, and when assembled together, they form a continuous, substantially seamless rail structure. This merging approach provides the adaptability of multiple components while maintaining the simplicity and structural integrity of a unified rail system, minimizing the visual and functional complexity of having multiple parts.
3Measurement precision
If a free-floating modular one piece upper is used, then hand placement accuracy is improved by minimizing barrel movement, but the manufacturing precision requirements increase
Solution Approach 1:
The hand guard is designed with a free-floating capability that allows it to dynamically adjust and absorb barrel movement during firing. The modular rail system incorporates compliance features that enable the hand guard to move independently from the upper receiver, minimizing the transmission of barrel recoil and movement to the shooter's hand, thereby improving accuracy while managing manufacturing tolerances through dynamic compensation.
Data Source
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AI summary
A modular rail system for an upper receiver of a firearm is provided, the modular rail system having: a bottom portion configured to be removably secured to the upper receiver, wherein the bottom portion has an integrally formed bottom rail and a forward portion located forward of a top rail of the upper receiver; an upper rail extension configured to be removably secured to the forward portion of the bottom portion; and a release mechanism for releasably securing the upper portion to the forward portion of the bottom portion.