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  • Writer's pictureLöwe

How It's Done: De-Milling

Updated: Dec 3, 2023



As a contemporary gunsmith, I routinely undertake the task of de-militarizing gun receivers, an essential process for ensuring adherence to legal standards and promoting responsible firearm handling. De-militarization involves the careful modification of military-grade firearms to render them compliant with civilian use, thereby preventing potential misuse and unauthorized circulation. This meticulous process is crucial to ensure compliance with legal requirements and promote the responsible ownership and use of firearms.


Commencing the de-militarization procedure involves a comprehensive assessment of the firearm's receiver, leading to the identification of specific modifications necessary to bring it in line with civilian standards. This typically entails the removal or alteration of features like automatic or burst-fire capabilities, commonly associated with military-grade firearms but restricted for civilian application. Systematic dismantling and modification of the receiver follow, with a focus on eliminating any military characteristics that might infringe upon civilian legal standards. In order to do this, a diverse set of specialized tools and methods come into play. Precision tools such as milling machines, lathes, and grinding equipment are instrumental in the precise removal and modification of specific firearm components. Additionally, hand tools like files, drills, and specialized jigs play a crucial role in the intricate process of carefully reshaping and reconfiguring firearm receivers to meet civilian standards.





The process of de-militarizing gun receivers often necessitates advanced welding techniques and methods during the reassembly phase. Re-welding de-milled receivers demands a specialized skill set and expertise in wielding various welding tools, including TIG (tungsten inert gas) and MIG (metal inert gas) welders. These welding techniques are essential for securely rejoining and reinforcing the modified components of the receiver, ensuring structural integrity and functional reliability. Meticulous attention to detail is crucial during the re-welding process to guarantee that the firearm meets the strict safety and performance standards required for civilian use.





Following reassembly, the firearm undergoes rigorous testing and meticulous inspection to verify its operational integrity and compliance with safety protocols. Upholding the integrity of the de-militarization process remains paramount, underscoring my dedication to responsible firearm usage and adherence to legal standards throughout the entirety of the de-militarization process. De-milling gun receivers isn't just about following the rules; it's about making sure these firearms stay on the right side of the law and keep everyone safe. It's my way of playing a part in promoting responsible gun use and keeping things cool and legal in the firearm world.

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