PS90 Chop-Top

This video details the 'chop top' modification for the FN PS90 and P90 platforms by MK3 Firearms. The process involves removing the factory sight structure and machining a custom Picatinny rail directly into the receiver, creating an inset mount. This modification aims to provide a sleeker profile and, crucially, an optimal height for a proper cheek weld when mounting optics, addressing previous issues with mounts being too low.

This video showcases MK3 Firearms' 'Chop Top' modification for the FN PS90, specifically Version 2. The modification involves recessing the Picatinny rail for a sleeker profile and improved cheek weld. It also highlights custom Cerakote finishes and the adaptability for various optics.

MK3 Firearms demonstrates their 'Chop Top' modification for the FN PS90. This process removes the bulky factory optic mount and integrates a custom Picatinny rail directly into the receiver, creating a lower profile and more streamlined platform. This modification enhances concealability, especially when paired with smaller red dot sights like the SRO or RMR, and allows for a better cheek weld with certain optics. The video also showcases the PS90 equipped with an Innovative Arms Slingshot titanium suppressor and a Leupold LCO optic.

This guide explains the functionality of the new Progressive FRT system found in the X-PRT90 for the P90 firearm. Instruction from an experienced firearms instructor details how to achieve both semi-automatic and full-auto fire modes using different trigger pull depths and releases, emphasizing the unique forward reset mechanism.

This guide details the installation and operation of the FRT90, a new three-position Forced Reset Trigger for the FN PS90, developed by Armory of Kings and FN Specialties. The FRT90 offers Safe, Semi-auto, and FRT modes, enabling rapid fire capabilities. The trigger is constructed from durable materials like 17-4 heat-treated stainless steel and features a nitrided finish. It's designed as a professional-grade upgrade compatible with SBR configurations and suppressors. The video features Dorin from Armory of Kings, highlighting the technical specifications and performance metrics, such as a rate of fire approaching 1,000 rounds per minute in FRT mode.

This guide details the 'Jimmy Mod' for the FN PS90, a chop-top modification that removes the factory riser and rail for a minimalist profile. It covers the direct mounting of a Trijicon RMR red dot sight by tapping and threading the receiver, and the application of a custom Multi-cam Cerakote finish. The modification aims for a low-profile, low-printing firearm suitable for concealment.

This video provides an expert look at three distinct Browning Hi-Power variants: the .40 S&W SFS model with its unique cocked-and-locked safety system, the highly collectible Browning Centennial Edition from 1978, and the target-oriented Browning GP Competition with its extended barrel and compensator. The presenter, identified as a professional firearm customizer and collector, offers detailed insights into the mechanical operation of the SFS system and the historical significance of these rare firearms.

This guide details the custom gunsmithing process for modifying a Springfield Armory 1911 Government's barrel and bushing. The modifications include creating a 40-degree radiused muzzle crown on the barrel and 'melting' the edges of the barrel bushing for a smoother, snag-free profile. Both components are polished to a mirror finish. This process, explained by a professional gunsmith, aims to enhance both the aesthetics and potentially the reliability of the firearm.

This guide provides a detailed comparison between the Surefire X300 and Streamlight TLR-1 weapon lights, drawing on expert insights regarding their performance, durability, and intended applications. It covers lumen output, runtime, waterproofing, beam patterns, mounting options, and switch functionality, offering practical advice for selecting the best light for specific needs, from home defense to heavy-duty tactical use. The assessment highlights the X300's superior durability and range-focused beam, contrasted with the TLR-1's wider illumination and budget-friendly price point.

This video provides an expert-level overview of a custom Marlin 1894 CS lever-action rifle, converted into a Short Barreled Rifle (SBR) and finished with a Sniper Gray and Graphite Black Cerakote. The build incorporates a suppressed configuration with an Aimpoint Micro T-1 optic and highlights the near-silent operation achievable with .38 Special ammunition. The instruction is delivered with high authority, detailing modifications and NFA considerations.