Firearm Barrel Extension System With Alignment Rods
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Solution Overview
Problem
Current firearms technology lacks a practical method to rapidly change barrel length without compromising ballistic performance, as mismatched rifling leads to bullet wobble and inaccuracy, requiring multiple weapons for varying situations.
Innovation Solution
A firearm barrel modification system that allows for the rapid addition or removal of auxiliary barrels with aligned rifling, using a sleeve with alignment rods and a spring clamp to secure the auxiliary barrel, ensuring proper alignment and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple firearms are carried to cover different barrel length needs, then ballistic performance for various ranges is improved, but weight and storage requirements increase
Solution Approach 1:
The firearm system is designed to perform multiple functions by accommodating different barrel configurations. The receiver can accept various barrel assemblies (pistol barrel, carbine barrel, rifle barrel, sniper barrel) through a universal mounting interface, allowing one firearm to replace multiple specialized weapons while maintaining ballistic performance across different range requirements
2Adaptability or versatility
If barrel length is changed to adapt to different situations, then versatility is improved, but device complexity increases
Solution Approach 1:
The firearm system is divided into separate modular components: a receiver and interchangeable barrel assemblies. Each barrel assembly includes a barrel, handguard, and mounting hardware as an integrated unit. This segmentation allows users to swap entire barrel assemblies rather than dealing with complex individual component adjustments, simplifying the user interface while maintaining high versatility
Solution Approach 2:
The system transitions from a static single-barrel configuration to a dynamic multi-configurable system. Quick-release latches and bayonet-style mounting mechanisms enable rapid barrel exchanges in the field, allowing the firearm to adapt its barrel length and configuration based on immediate operational needs without requiring complex tools or procedures
3Reliability
If an auxiliary barrel is added to extend barrel length, then ballistic performance for long range is improved, but alignment accuracy deteriorates due to rifling mismatch
Solution Approach 1:
The barrel assemblies are pre-manufactured with precisely matched rifling specifications. Each barrel is cut and rifled to exact tolerances before assembly, ensuring that when barrels are exchanged or extended, the rifling alignment is already optimized. This preliminary precision work eliminates the need for field alignment adjustments and ensures consistent ballistic performance across different barrel configurations
Solution Approach 2:
The receiver serves as an intermediary component that ensures precise alignment between different barrel assemblies. The receiver includes mounting surfaces and alignment features that guarantee consistent positioning of each barrel assembly, maintaining rifling alignment accuracy regardless of which barrel is installed. This intermediary structure transfers the precision requirement from the field assembly process to the manufacturing stage
4Ease of operation
If threaded connection is used for barrel extension, then ease of assembly is improved, but reliability deteriorates due to gas pressure leakage
Solution Approach 1:
The system replaces threaded mechanical connections with a bayonet-style quarter-turn latch mechanism. This mechanical substitution provides both ease of assembly (simple quarter-turn motion) and high reliability (positive locking with gas seal). The latch mechanism engages recesses in the receiver, creating a gas-tight seal that prevents pressure leakage while remaining simple to operate in the field
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables shooters to instantly change barrel length to meet specific needs, maintaining accuracy and versatility with a single weapon, allowing for quick adaptation between different shooting scenarios without the weight and storage issues of multiple guns.
Implementation Method 1
A spring member attached to the sleeve sets in place over the collar when the sleeve slidably engages onto the firearm and the mating end abuts to the first muzzle, the spring member when so set in place over the collar holds the auxiliary barrel to the firearm
Implementation Method 2
Alignment rods protrude from the mating end of the tubular component. These alignment rods insert into corresponding holes at the muzzle end of the firearm barrel and assure that the lands and grooves of the rifling of the gun barrel align with the lands and grooves of the auxiliary barrel
Implementation Method 3
Ever since rifling was invented years ago to spin the bullet and increase ballistics performance
Data Source
AI summary
A system for firearm barrel modification includes a firearm, a collar and an auxiliary barrel. The firearm has a barrel with holes extending inward from the first muzzle end. The barrel has rifling. The collar surrounds the barrel to serve as a securing anchor for an auxiliary barrel. A sleeve slidably engages onto the firearm from the muzzle. The sleeve contains a tubular component, serving as a barrel extension. The tubular component extends from within the sleeve to form a second muzzle at the opposite end. The mating end of the barrel extension is situated within the sleeve. It butts up against the muzzle and is aligned with the rifling of the gun. Alignment rods protrude from the mating end of the tubular component and insert into corresponding holes at the muzzle end of the firearm. A spring member attached to the sleeve sets in place over the collar.