My New Impact Tester and How Impact Testing Works

This video from Hoffman Tactical investigates whether 100% infill with few walls or more perimeters with less infill yields a stronger 3D print, specifically for AR-15 lower receivers. Through a controlled stress test, the experiment aims to determine the optimal print settings for maximum part strength. The findings suggest that while the direct comparison was inconclusive due to an outlier, making a part solid (100% infill) is generally stronger than using lower infill percentages, even with more walls. Warping is also discussed as a factor influenced by infill patterns.

This guide synthesizes expert analysis from Hoffman Tactical on selecting 3D printing filaments for firearm components. It details material properties like stiffness, moisture resistance, yield strength, and creep, comparing common options like Carbon Fiber Nylon, PLA Pro, and PET-CF. The information is crucial for users aiming to print reliable and durable firearm parts, emphasizing the trade-offs between different materials based on extensive testing data.

This guide details the installation and modification of the Super Safety, an active trigger reset system for the AR-15 platform, developed by Hoffman Tactical. It covers the necessary trigger modifications, component installation, and function checks. The system utilizes a push-button interface and offers a unique 'Active Reset' position for significantly faster trigger resets, as explained by the designer.

This guide details the process of annealing nylon 3D prints to mitigate 'creep,' a phenomenon where the material slowly deforms under sustained stress below its yield point. The video demonstrates how to anneal parts using a filament dryer and then test their creep resistance under load. It highlights significant improvements in creep resistance, particularly with filled nylons, though it notes potential shrinkage during the annealing process.

This YouTube video showcases Radical Defense demonstrating 3D printing capabilities, specifically focusing on the use of titanium in the process. While the description doesn't detail specific firearm models or calibers, the title strongly implies a connection to the firearms industry and the potential for advanced manufacturing techniques within it. The content appears to be a demonstration of technological innovation within the defense sector.

This guide details the process of 3D printing an AR-15 lower receiver using Carbon Fiber Nylon, based on expert instruction from Hoffman Tactical. It covers essential filament preparation, specific printer hardware requirements, critical print settings, advanced slicing techniques for warp prevention, and post-processing steps. The instruction emphasizes the importance of material science knowledge for successful and durable firearm component printing.

The Ounce Pistol is demonstrated for its rapid-fire capabilities on steel targets. The video details its unique loading procedure via a side door for its 10+1 capacity .22 LR internal magazine and its folding mechanism for concealment and deployment. Expert handling showcases the firearm's specific mechanical nuances.

This guide details the installation and modification of the Super Safety, an active trigger reset system for the AR-15 platform, developed by Hoffman Tactical. It covers the necessary trigger modifications, component installation, and function checks. The system utilizes a push-button interface and offers a unique 'Active Reset' position for significantly faster trigger resets, as explained by the designer.

This guide details the process of 3D printing an AR-15 lower receiver using Carbon Fiber Nylon, based on expert instruction from Hoffman Tactical. It covers essential filament preparation, specific printer hardware requirements, critical print settings, advanced slicing techniques for warp prevention, and post-processing steps. The instruction emphasizes the importance of material science knowledge for successful and durable firearm component printing.

This review delves into the intricate mechanics of the Ounce Pistol, a unique folding .22LR firearm. The presenter provides a detailed disassembly, revealing the complex bolt and barrel assembly, the fixed magazine system, and the innovative long-stroke recoil operation. Key features highlighted include the tilting bolt system, the integrated chamber indicator using the firing pin, and a novel cartridge feeding mechanism.