Quick Detach Barrel Mounting System with Cutout Access
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Solution Overview
Problem
The complexity of replacing barrels in firearms, especially with monolithic or one-piece receiver and hand guard assemblies, increases the difficulty and time required for barrel change-outs, often necessitating the removal of hand guards and optics reassembly, which is cumbersome and requires additional expertise.
Innovation Solution
A quick-detach barrel mounting system featuring a barrel extension with an annular collar and a barrel nut that includes radial bores for tool access, allowing for secure engagement and disengagement without removing the hand guard, facilitating faster and more efficient barrel changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If monolithic or one-piece receiver and hand guard assemblies are used, then structural strength and integration are improved, but barrel replacement complexity and time increase
Solution Approach 1:
The hand guard is divided into separate sections with a specific cutout region that allows access to the barrel nut without requiring complete disassembly. This segmentation maintains the overall integrated structure while creating an accessible pathway for barrel replacement operations.
Solution Approach 2:
The cutout in the hand guard acts as an intermediary access point, allowing tools to reach the barrel nut through the hand guard structure itself rather than requiring removal of the entire hand guard assembly. This mediator approach enables barrel replacement while maintaining hand guard attachment.
2Ease of operation
If hand guards are removed for barrel replacement, then access to barrel mounting components is improved, but assembly complexity and time increase
Solution Approach 1:
The hand guard is designed in advance with a cutout feature that anticipates future barrel replacement needs. This preliminary design action ensures that access pathways are already established, eliminating the need for additional disassembly steps during actual barrel replacement operations.
3Ease of operation
If tools are accessible through hand guard cutout, then barrel nut manipulation ease is improved, but hand guard structural integrity may be compromised
Solution Approach 1:
The hand guard maintains full structural integrity in all regions except for the specific cutout area where access is required. The cutout is strategically positioned and sized to provide adequate tool access while minimizing impact on overall structural strength. The rest of the hand guard remains intact and fully functional.
Data Source
AI summary
A quick-detach barrel mounting system for removing and attaching a barrel to a receiver of a firearm. The quick-detach barrel mounting system can include a barrel nut having a body defining an axial bore. A proximal end of the barrel is received at least partially through the axial bore, and the barrel nut releasably engages a front end of the receiver. A hand guard can be mounted to the receiver and can define a cutout proximate the receiver. The hand guard at least partially encloses at least a portion of the barrel and the barrel nut, and the cutout is at least partially aligned with the barrel nut. At least a portion of the barrel nut is accessible via the cutout of the hand guard for at least partially disengaging and engaging the barrel nut with the receiver when the hand guard is mounted on the receiver.