Modular Bolt Carrier Assembly Kit for Interchangeable Actuation
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Solution Overview
Problem
Conventional firearms have non-interchangeable components across different actuation systems, limiting the versatility and cost efficiency of bolt carrier assemblies.
Innovation Solution
A bolt carrier assembly kit that includes a bolt carrier with a manual bolt actuator pocket and an actuation key buttress, allowing for compatibility with various actuation mechanisms such as gas piston, direct impingement, and manual bolt systems, enabling modular and interchangeable components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional firearm components are designed for specific actuation systems, then reliability and functionality are ensured, but adaptability and versatility are limited
Solution Approach 1:
The bolt carrier is designed with universal features including a standardized actuator pocket and interchangeable actuation keys that can accommodate multiple actuation systems (gas piston, direct impingement, manual bolt). This allows a single bolt carrier to function across different firearm types, resolving the contradiction by enabling adaptability while maintaining relatively simple component design.
Solution Approach 2:
The actuation system is divided into separable components: the bolt carrier body, the actuator pocket, and the actuation key. This segmentation allows the actuation key to be removed and replaced depending on the specific actuation system required, enabling versatility without requiring complete redesign of the bolt carrier assembly.
2Productivity
If multiple bolt carrier assemblies are manufactured for different firearm types, then compatibility is ensured, but manufacturing efficiency and cost are reduced
Solution Approach 1:
A single bolt carrier design serves multiple firearm types through standardized interfaces and interchangeable actuation keys. This universality allows manufacturers to produce one type of bolt carrier and satisfy multiple demand categories, significantly improving manufacturing efficiency and reducing costs while maintaining full compatibility across different firearm systems.
Solution Approach 2:
The actuation key can be removed from the bolt carrier when not needed for a specific actuation system. This allows the bolt carrier body to be recovered and reused with different keys for different firearm types, maximizing manufacturing efficiency by reducing the need to discard and remake entire assemblies.
3Ease of repair
If actuation keys and manual bolt actuators are permanently fixed to the bolt carrier, then operational reliability is ensured, but ease of repair and adaptability are reduced
Solution Approach 1:
The actuation key and manual bolt actuator are designed as separable components that can be removed from and reattached to the bolt carrier. This segmentation enables easy replacement and adaptation to different systems while maintaining reliable operation through precise fit-and-fasten interfaces that ensure stable connection during use.
Data Source
AI summary
The present disclosure provides devices, systems, and methods for assembling a firearm bolt carrier assembly. For example, in various embodiments, a bolt carrier assembly kit comprises at least one actuation mechanism, and a bolt carrier, wherein the bolt carrier comprises an outer surface, a manual bolt actuator pocket disposed on the outer surface, and an actuation key buttress disposed on the outer surface and having a front end, a back end, and a bore extending from the front end along an axis at least partially towards the back end.