How to Field Zero an IR Laser

This video provides an expert-level review of the Holosun IRIS GR4 laser aiming device, highlighting its value proposition for the price point. The instructor, Kyle from 4MR Ranch, emphasizes its reliability, compact form factor, and multi-functionality, including IR illuminator, IR laser, visible laser, and a strong white light. He details its performance on a SCAR 17 and discusses its suitability for duty use, recommending it as a top-tier option for self-funded law enforcement officers.

This review of the Holosun Iris 3 laser module focuses on its performance and value for prepared citizens. The hosts, experienced shooters, discuss its compact size, use of standard CR123 batteries, and the effectiveness of its adjustable IR flood feature. They compare it to more expensive units, highlighting its class 3 laser capability and refined beam quality as key advantages for its price point.

Adam from Spiritus Systems discusses the LA5 Ultra High Power (UHP) laser, emphasizing that user perception of its 'millijigs' (milliwatts) is more critical than raw technical specifications. The video highlights upcoming content on tactical gear and lasers from Spiritus Systems.

This video provides an expert overview of the Holosun IRIS line of night vision devices, presented by Kyle from 4MR Ranch. The guide details the features, battery types, and functionalities of the GR1, GR2, GR3, and GR4 models, including their laser and illuminator capabilities. It highlights specific controls like the tactile slider on the GR3 and the white light on the GR4, offering a clear comparison for potential buyers.

This video introduces the Vortex Thermal, a new thermal imaging device from Vortex Optics. The presenter highlights its familiar design, modeled after Vortex rangefinders, making it intuitive for hunters. Key features include photo and video capture with internal storage, and a design intended to complement Vortex's LPVOs like the AMG. The presenter expresses excitement about Vortex's expansion into thermal technology.

This discussion highlights the impracticality of civilian belt-fed AR-15 conversions with FRTs due to reliability and barrel change limitations, emphasizing the need for a team and proper support. It contrasts this with the effectiveness of shorter, reliable firearms like 11.5-inch SBRs with pistol braces for civilian use. The conversation also delves into optic choices, advocating for red dots or LPVOs based on user needs and training, while stressing the importance of mastering fundamental skills and understanding tactical standards.

This guide details how to clear common malfunctions on an AK-74 platform rifle, specifically when heavily fouled with mud. Expert instruction from Karl Kasarda demonstrates advanced techniques for dealing with failures to go into battery, feeding issues, and stuck chambers. The video emphasizes the importance of understanding mechanical tolerances and performing thorough cleaning after such extreme environmental testing.

This guide details the historical method of igniting and deploying 18th-century grenades, as demonstrated by Karl Kasarda of InRangeTV. It covers the preparation and use of a slow match to ignite the external timed fuse of a replica grenade. The video emphasizes that this is a replica and stresses the extreme danger and illegality of handling live explosives.

This guide details the proper application of a Gaza-style or CAT tourniquet, as demonstrated by Karl Kasarda on InRangeTV. It emphasizes initial strap tightness before windlass use for effective hemorrhage control and occlusion. The instruction highlights the importance of securing the windlass and managing patient pain during application.

This guide details the historical loading process for the 1836 Colt Paterson revolver, as demonstrated by Karl Kasarda. It covers the unique disassembly required, the precise powder charge and projectile seating using specialized tools, and the capping procedure. The instruction emphasizes a high level of expertise due to the intricate and period-specific nature of the task.