Modular Firearm Chassis with Recoil Reduction Assembly
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Solution Overview
Problem
Current firearms lack a modular and adjustable recoil reduction system that effectively minimizes recoil impact on the shooter, particularly in tactical and sniping applications, where weight reduction and customizable fit are crucial.
Innovation Solution
A modular chassis/stock system incorporating a recoil reduction assembly with an elongated housing for a recoil strut and adjustable components, including a mounting body with threads for length of pull adjustment and a shroud around the recoil pad assembly, allowing for customizable recoil reduction and weight distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a traditional buttstock is used to support the firearm during recoil, then the shooter's shoulder is protected from recoil impact, but the firearm weight cannot be minimized and the system lacks configurability
Solution Approach 1:
The buttstock is divided into separate modular components: a receiver, a recoil reduction assembly, and a stock portion that can be independently configured or removed. This segmentation allows the recoil reduction functionality to be isolated in a lightweight assembly rather than requiring a heavy traditional buttstock structure.
Solution Approach 2:
A recoil reduction assembly acts as an intermediary component between the firearm receiver and the shooter's shoulder. This assembly includes a recoil spring and cushioning elements that mediate the recoil force, reducing the impact transmitted to the shooter while maintaining a lightweight overall structure.
2Adaptability or versatility
If a fixed buttstock design is used, then the structure is simple, but the firearm cannot be easily configured to fit different shooters' needs and anatomy
Solution Approach 1:
The buttstock system transitions from a fixed design to a dynamic, adjustable configuration. The stock portion can be adjusted along the receiver to change the length of pull, and different stock portions can be interchangeably mounted to accommodate different shooter preferences and anatomical requirements.
Solution Approach 2:
The receiver is designed with universal mounting features that can accommodate multiple types of stock portions and recoil reduction assemblies. This multi-functionality allows a single receiver to be configured for different shooting applications and shooter preferences without requiring multiple specialized components.
3Ease of operation
If recoil reduction devices are added to minimize recoil felt by the shooter, then shooter fatigue is reduced and follow-up shots are improved, but the device complexity increases
Solution Approach 1:
The recoil reduction assembly is merged with the buttstock structure, combining multiple functions into a single integrated component. The recoil spring, cushioning elements, and stock mounting features are combined in one assembly that attaches to the receiver, reducing the need for separate complex mechanisms.
Solution Approach 2:
The recoil reduction assembly is designed to be self-contained with the recoil spring and cushioning elements automatically engaging when the stock portion is mounted to the receiver. The system self-regulates the recoil force without requiring external adjustment mechanisms or complex control systems.
Data Source
AI summary
The present disclosure generally is related to a modular chassis/stock system for a rifle type firearm that incorporates a recoil reduction assembly. The chassis/stock system includes a buttstock assembly that is configured to include an elongated housing for receiving a mounting body of the recoil reduction assembly.


