Videos tagged with Piston System

This review of the IWI ARAD 5 highlights its innovative QD barrel system, short-stroke piston operation, and semi-monolithic upper receiver. The presenter, with years of experience with IWI products, details the rifle's features, including its 4150 CMV barrel with a 1:8 twist, adjustable gas block, and extensive MLOK and 1913 rail space. The review also covers the integration of an FRT trigger and custom Cerakote, offering insights into its performance and value proposition.

This video provides a comprehensive first-shot review of the HK MR762 A4 Assaulter rifle. The presenter, an experienced firearm enthusiast, details the rifle's features, including its ambidextrous controls, M-LOK rail, and two-position gas system. Live fire testing demonstrates its accuracy and hard-hitting capability at various distances, highlighting its suitability for long-range engagements and as a robust 'go-to' rifle.

This review of the Sig 516 Gen 3 highlights its smooth-running short-stroke piston system and fully ambidextrous controls. The adjustable gas block offers four distinct settings for various ammunition types and suppressor configurations, enhancing reliability and performance. The rifle demonstrated consistent accuracy out to 400 yards and handled over 630 rounds without failure, showcasing its robust design and operational effectiveness.

This video delves into the development of Colt's early external piston rifles, specifically the M5 and LE 1020. It highlights the design philosophies of engineers like Greg Grechenko, the technical differences between the M5 and LE 1020, and the reasons behind the M5's cancellation. The SCW stock development is also explored as a separate but related project by Grechenko.

This comprehensive 6,000-round review of the HK MR556-A4 by Regular Guy Training LLC highlights its exceptional reliability and clean-running piston system. The instructor, with four years of experience and extensive use in training classes, confirms zero malfunctions across various ammunition and magazine types. While acknowledging its high cost and weight, the review praises its robust build and ease of maintenance for serious users.

This video provides an expert-level comparison of "good" versus "bad" rifles, focusing on manufacturing quality and reliability. The instructor, with demonstrated expertise, highlights the importance of receiver fit (tolerances) and material choices (billet vs. cast). Specific firearms like the HK MR556, Smith & Wesson M&P15, and SCAR 16 are discussed and demonstrated, with the HK MR556 praised for its ability to function with poor quality ammunition.

This review from TFB TV explores Sako's new AR-15 platform rifles, designated ARG 40 and ARG 50. These rifles are being adopted by the Finnish and Swedish militaries as service and sniper rifles, respectively. The review highlights their direct impingement and piston operating systems, ambidextrous features, and accuracy standards, offering insights into Sako's advanced firearm manufacturing.

This expert guide from Regular Guy Training LLC details the operational characteristics of the BRN-4, particularly when suppressed. The video emphasizes that while the BRN-4 is not a perfectly clean system, understanding its piston design and the need for regular maintenance, especially after suppressed fire, is crucial for reliability. The instruction highlights how internal gas venting contributes to fouling, requiring diligent cleaning to keep the firearm in optimal condition.

This video provides an expert-level review of the Sig Sauer MCX Spear LT, highlighting its modularity, piston-driven system, and ambidextrous controls. The hosts, demonstrating high authority, compare it to the NGSW program's M7 and discuss advancements in ammunition technology. Key takeaways include the Spear LT's versatility across multiple calibers and its ergonomic advantages for rapid operation and malfunction clearing.

This video details the baseline phase of a 10,000-round endurance test for the Heckler & Koch MR556 A4 rifle. Experts analyze the rifle's performance, focusing on accuracy with various ammunition types and conducting a bore scope examination after 3,102 rounds. The test aims to empirically evaluate the non-chrome-lined, proprietary alloy barrel's durability and performance compared to standard options.

This video provides an expert overview of the SIG 516 G3 rifle, presented by Kevin from Sig Sauer. It highlights the rifle's enhanced durability, reliability, and modern features, including its piston system, ambidextrous controls, and user-replaceable components. The instruction emphasizes the engineering behind the rifle's performance and longevity, making it suitable for users seeking a robust and adaptable platform.

This video from Classic Firearms highlights the top 5 new rifles at SHOT Show 2026. The FN SCAR series received significant factory upgrades, including non-reciprocating charging handles, full ambidextrous controls, and a new hydraulic recoil buffer system, making them softer shooting. The speakers demonstrate high technical authority, discussing proprietary calibers and military contract requirements.