Channel: @fitnfire
This video provides an in-depth unboxing and first impressions of the Krebs Customs M23 rifle, a custom AK platform designed for competition shooting. The presenter, an experienced shooter, details the rifle's features, including its Vortac barrel, J-Met muzzle device, B5 stock, and proprietary handguard and adjustable gas block. He highlights the rifle's smooth action, lighter weight compared to other AKs, and its potential for competitive performance, while also discussing personal customization choices.
This review provides a detailed 1000-round assessment of the Pioneer Arms Sporter 556AK. The presenter, Mark, shares insights on the rifle's performance, including ammunition compatibility (5.56 NATO and .223 Remington), magazine fitment, and internal wear patterns after extensive use. He also discusses aftermarket modifications like an extended charging handle and optic setup, offering a balanced perspective on the rifle's value at its price point.
This guide details how to fix AR-15 gas issues by replacing the gas tube with one featuring a specific port size, such as the 0.070-inch option from Black River Tactical. This method aims to regulate gas flow, correcting ejection patterns without needing an adjustable gas block. The process involves disassembling the upper receiver, swapping the gas tube, and reassembling, with a focus on achieving a 3:30-4:00 o'clock ejection pattern for optimal performance.
This video provides an in-depth comparison between the Zastava M85 and M90 5.56 AK platforms, focusing on their performance in competitive shooting scenarios. The presenter, Mark, shares his experiences at Kalash-Con, highlighting the trade-offs between the M85's superior maneuverability and the M90's enhanced accuracy and range capability. The analysis is grounded in practical application, offering insights into how each rifle performs under pressure and guiding viewers on how to choose the best platform based on their specific needs.
This video discusses the value and practicality of Zenitco furniture for AK platforms in 2026. While acknowledging Zenitco's reputation for rigidity and quality optics mounting solutions, particularly the B-33 dust cover, the speaker highlights significant drawbacks. These include extreme difficulty in sourcing, high cost (equating to thousands of rounds of ammunition), proprietary mounting systems lacking M-LOK or extensive modularity, and considerable weight. The speaker suggests that for purpose-driven builds, more modern aftermarket options from companies like 1791 Industries, Borwaris, and Onward Research offer better flexibility, modularity, and weight savings, making them more suitable for current needs.
This video provides an in-depth look at a customized Springfield Echelon pistol. The presenter, Mark, shares his experience using the Echelon in competitions and details the modifications made, including an Icarus Precision frame, Aimpoint Acro P-2 optic, and a Parker Mountain Machine compensator with a threaded barrel. He discusses the pros and cons of these upgrades, particularly focusing on ergonomics, recoil mitigation, and potential compatibility issues. The review also touches on the pistol's performance, reliability, and a unique design characteristic that causes the red dot to get dirty.
This video details the process and benefits of lapping an AR-15 upper receiver to improve rifle accuracy. The host, Mark, explains that this gunsmithing technique involves grinding the upper receiver to create a flat surface for the barrel extension, leading to a more consistent interface. He demonstrates the impact of this $35-$50 upgrade on accuracy, showing a marked improvement with specific ammunition types.
This guide details how to restore a WASR-10 AK-47 by removing an unwanted paint job. It covers using Citri Strip for effective paint removal, followed by thorough cleaning and oiling with Drench to protect the metal and displace water. The process aims to return the rifle to a more factory-like condition, preparing it for potential cosmetic upgrades like surplus wood furniture.
This video details the post-event inspection and cleaning of a Zastava M90 after 3,000 rounds and exposure to heavy rain at Kalash Bash. The presenter, Mark, discusses the feeding issues encountered, attributing them primarily to environmental factors and improper gas system settings rather than magazine or internal component failures. He provides a detailed look at the internal wear patterns, noting minimal abnormal wear despite significant exposure to the elements, and offers insights into potential issues with aftermarket triggers and their interaction with the carrier tail.
Mark from Fit'n Fire discusses his return to the Zestiva M90 for the Kalash Bash competition due to delays with another rifle. He details his preparation, including zeroing the rifle at 50 yards for optimal performance at 200 yards, and discusses modifications like the JMAC Customs MMS handguard and the Aero Arms RMR mount, highlighting the importance of a reliable optic mount.
This guide details a comprehensive modernization of a Bushmaster AR-15, transforming a budget LEO trade-in into a more capable platform. Key upgrades include a new forward assist, CAR-15 stock, ergonomic pistol grip, improved trigger, enhanced magazine well, custom foregrip and light mounting, a versatile muzzle device, and a red dot sight. The modifications aim to improve handling, accuracy, and modularity for a more modern shooting experience.
This video explores the practical accuracy of the Zastava M77 rifle configured as a Designated Marksman Rifle (DMR). The presenter tests its performance with various ammunition types at 100 yards and assesses practical accuracy out to 450 yards, factoring in wind conditions. The review highlights modifications like an adjustable gas block and suppressor, and discusses the rifle's historical context and market positioning.
