The Cam Activated Reset Limiter from STINC USA.

This YouTube video, titled 'Bore Buddy – Não é FRT Totalmente Automático', appears to focus on a firearm accessory or modification called 'Bore Buddy'. The title explicitly states it is *not* a fully automatic FRT (Forced Reset Trigger), suggesting the content will clarify the functionality and potentially limitations or comparisons of this device. Given the focus on a specific firearm component and the clarification regarding its automatic capability, the video likely aims to inform viewers about its use, installation, or performance, potentially differentiating it from fully automatic triggers.

This guide outlines the conceptual assembly of the unique XR-86 custom rifle, a project by Wilfred Ellis. It details the integration of parts from an M60, M14, and AR-15, highlighting the custom gunsmithing required to combine these disparate systems into a functional firearm. The process involves careful mating of bolt, gas, and trigger mechanisms.

This video delves into the history and technical aspects of Colt's four-way enhanced rifle fire control group, a system offering Safe, Semi, Auto, and Burst modes. The expert instructor, with extensive experience at Colt, details the evolution of the burst cam, patent information, and specific rifle models that utilized this complex mechanism. It highlights practical challenges and historical context, including issues faced by the Greek Army and the eventual discontinuation of the program.

This guide details the process of lapping an AR-15 receiver to ensure proper barrel alignment for improved long-range accuracy. Instructor Stephen Caleb from Brownells explains that receiver faces can be slightly out of alignment, leading to barrel runout. The process involves using a specialized lapping fixture and aluminum oxide lapping compound with a drill to create a perfectly flat receiver face. This ensures the barrel seats flush and square, critical for precision shooting beyond 500 yards.

This guide details the installation of the Blackout Defense Dual Barrel Nut System, a unique mounting solution for AR-15 style upper receivers. The system utilizes primary and secondary barrel nuts with dual taper locking to ensure bore centricity and a highly rigid barrel mount. Proper alignment of internal tapers is crucial for optimal performance.

This guide details the tool-less installation of the Rise Armament REV 535 Slide Snap trigger for the AR-15 platform. The process involves snapping the trigger unit into the lower receiver using integrated pins and then attaching an interchangeable trigger blade. The video highlights the speed and ease of this installation, demonstrated by Rise Armament's Jerry and AT3 Tactical's Josh.

This video humorously demonstrates the significant concussive effects of the Rise Armament RA-701 Muzzle Brake on an AR-15. The content highlights how such devices can impact shooters in close proximity on a public range, leading to a flinch response. It serves as a satirical commentary on range etiquette and the choice of firearm accessories.

This video offers a satirical take on the perceived differences between Glock and Sig Sauer owners, using the Sig Sauer P365 X Macro as the focal point. The presenter highlights the P365 X Macro's features, including its integrated compensator and 17-round capacity, while humorously contrasting it with a caricatured 'Glock owner' persona. The video emphasizes the speaker's enjoyment and perceived enlightenment upon switching to Sig Sauer.

This video provides a practical demonstration of the durability differences between polymer and aluminum AR-15 lower receivers. A PSA aluminum lower receiver withstands significant abuse that causes a polymer lower to break. The speaker, identified as a firearms reviewer with hands-on testing experience, highlights that the slight cost increase for an aluminum lower offers substantial benefits in longevity and resilience.

This guide details the installation of a Pistol Stabilizing Brace (PSB) on an AR-15 pistol, referencing the SB Tactical SBA3 model. It covers mounting the brace, optic, and muzzle device, emphasizing safety and regulatory awareness. The content highlights the complex and often volatile nature of ATF rulings concerning firearm accessories and compliance requirements like the NFA tax stamp.