Two-Part Muzzle Brake for Gas Block Removal on Short Barrels
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Solution Overview
Problem
Existing semi-automatic rifles with shortened barrels face challenges in removing gas blocks and barrel nuts due to the larger diameter of muzzle devices, preventing the removal of these components without damaging the firearm.
Innovation Solution
A two-part muzzle device design comprising an inner core and outer sleeve, where the inner core is fixedly attached to the barrel via a pin and weld, allowing the gas block and barrel nut to be easily removed, and the outer sleeve is removably coupled for efficient gas dispersion, utilizing a set screw and reverse threading for secure attachment and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If a muzzle device with large outer diameter is used to effectively disperse gases, then gas dispersion efficiency is improved, but the ability to remove gas blocks and barrel nuts is lost
Solution Approach 1:
The muzzle device is divided into two separate components: an inner core that is permanently attached to the barrel, and an outer sleeve that is removably coupled to the inner core. The inner core has a smaller diameter that allows gas blocks and barrel nuts to be removed, while the outer sleeve provides the gas dispersion functionality. This segmentation resolves the contradiction by separating the gas dispersion function from the barrel component removal function.
Solution Approach 2:
The outer sleeve is designed to fit over the inner core, creating a nested structure where the removable outer sleeve contains the permanently attached inner core. This nesting allows the gas block and barrel nut to be removed from the barrel by sliding them over the inner core, while the outer sleeve remains in place to provide gas dispersion. The nested design enables both functionalities to coexist without interference.
2Length of moving object
If the barrel is shortened to less than 16 inches, then firearm portability is improved, but the gas block and barrel nut become permanently trapped on the barrel
Solution Approach 1:
By segmenting the muzzle device into a permanent inner core and a removable outer sleeve, the invention enables shortened barrels to maintain component removability. The inner core's smaller diameter creates clearance that allows gas blocks and barrel nuts to be removed from shortened barrels, overcoming the limitation imposed by barrel shortening.
3Strength
If a pin and weld connection is used to attach the muzzle device, then attachment strength is improved, but component removability is lost
Solution Approach 1:
The invention applies different attachment methods to different components: the inner core is permanently attached to the barrel using pin and weld connections for strength, while the outer sleeve is removably coupled to the inner core using a set screw mechanism. This segmentation allows the critical attachment (inner core to barrel) to be strong and permanent, while the outer sleeve remains removable for maintenance purposes.
Solution Approach 2:
The inner core acts as an intermediary component between the barrel and the outer sleeve. It provides a permanent attachment point to the barrel while serving as a mounting surface for the removable outer sleeve. This intermediary enables the outer sleeve to be removed and reinstalled without affecting the permanent attachment of the inner core to the barrel.
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 easy removal and reassembly of gas blocks and barrel nuts while effectively redirecting gases to mitigate recoil and muzzle lift, improving operational efficiency and maintenance accessibility.
Implementation Method 1
The inner core is fixedly attached to the barrel via a pin and weld
Implementation Method 2
the outer sleeve is removably coupled for efficient gas dispersion, utilizing a set screw and reverse threading for secure attachment and detachment
Implementation Method 3
redirect burning gases exiting the barrel to reduce felt recoil and muzzle lift
Implementation Method 4
disperse the burning gases exiting the barrel so as to reduce muzzle flash
Data Source
AI summary
A muzzle device with an inner core coupled to the barrel, and an outer sleeve coupled to the inner core. The inner core is sized so that it has a smaller outside diameter than an inside diameter of a gas block fitted to the firearm to which the inner core is to be attached.