FN PS90 Chop Top Version 2

This guide details the installation and operation of the X-PRT90 progressive trigger system for the FN PS90 SBR. The X-PRT90 offers a unique third position that allows for a faster rate of fire by pushing through the trigger pull, effectively creating a legal 'forced reset' malfunction. The video also touches on CMMG barrel modifications and the PS90's unique bottom ejection.

This video provides an overview of the X-PRT90 kit, detailing the included components and their material upgrades. The kit features stainless steel hammer, sear, and reset components, along with an aluminum selector, all designed to replace polymer parts in the FN PS90/P90 for enhanced durability. An installation jig is provided to aid in the process of replacing the standard trigger pack.

This video showcases a custom 'Chop-Top' modification on a PS90 firearm, performed by MK3 Firearms, a custom gunsmithing shop based in Las Vegas, Nevada. The description provides contact information for inquiries, price quotes, and custom build initiation, including email, phone number, website, and physical address. The shop also maintains a presence on social media platforms.

This video showcases a custom FN PS90 SBR build, featuring a barrel chop modification. It highlights the firearm's 5.7x28mm caliber, 50-round translucent magazine, and a Holosun red dot optic. The build demonstrates advanced gunsmithing techniques for creating a Short Barreled Rifle from a PS90.

This video demonstrates how to convert an AR-15 platform into a P90-style rifle using the AR57 ULT upper receiver. It highlights the 5.7x28mm caliber, the 50-round P90 magazine compatibility, and the benefits of bottom ejection for shooter comfort. The AR57's direct blowback operation and simple disassembly are also covered, showcasing its ease of maintenance and ambidextrous features.

This video introduces the FRT90, a new three-position Forced Reset Trigger designed for the FN PS90 by FN Specialties. The system allows for standard semi-automatic operation or rapid fire capability in its third selector position. The trigger is constructed from durable, heat-treated stainless steel and is compatible with SBR configurations and suppressors.

This review highlights three distinct Browning Hi-Power variants: the rare FN Hi-Power .40 S&W with the SFS system, a 1978 Centennial Edition in full nickel with gold accents, and a never-fired GP Competition model featuring a 6-inch barrel and target sights. The SFS system allows for cocked-and-locked carry, while the Centennial edition is a collector's piece. The GP Competition is a specialized target pistol.

This video showcases advanced gunsmithing techniques applied to a Springfield Armory 1911 Government model. It details the process of blocking and crowning the barrel to a 40-degree radius, alongside melting and polishing the barrel bushing for a seamless, snag-free finish. The comparison highlights the significant aesthetic and functional improvements over factory components.

This comparison highlights the Surefire X300 and Streamlight TLR-1 weapon lights, detailing their lumen output, runtime, and durability. The X300 offers higher lumens (170) and superior waterproofing (22m) with a mil-spec finish, suited for heavy-duty use at around $250. The TLR-1 provides a wider beam (135 lumens) with a 2.5-hour runtime, ideal for home defense at a more accessible $89 price point. Both feature versatile mounting options, though the X300 has more varied attachment mechanisms.

This custom Marlin 1894 CS SBR in .357 Magnum features a Sniper Gray and Graphite Black Cerakote finish, an Aimpoint Micro optic, and is configured for suppressed use with a 1/2x28 threaded barrel. The build was inspired by Hickok45 and includes modifications like a hidden magazine tube and fiber optic sights. When suppressed with .38 Special, the rifle is exceptionally quiet, with only the action cycling audible.