Videos tagged with Gas System Tuning

This review of the BRN-4 highlights its superb accuracy, strength, and hardy nature. The rifle cycles smoothly, comparable to an MR556, with a well-tuned gas system that ensures reliable function without over-gassing. The speaker, demonstrating experienced authority, notes the availability of parts and support, and finds the rifle's performance justifies its slight weight increase, encouraging focus on functional strength when using accessories like night vision and suppressors.

This expert guide, informed by an experienced firearms instructor, details why certain platforms like the BRN-4 and 416 excel with suppressors. It highlights the benefits of sealed suppressors, consistent cycling without adjustments, and predictable ejection patterns. The information emphasizes reliability and ease of use for suppressed shooting, with a note on parts availability for the BRN-4.

Elliott Delp reviews a unique Global Ordinance AR-15 upper receiver featuring a monolithic barrel design, integrating the muzzle device, gas block, and barrel into a single unit to eliminate potential failure points. He demonstrates how to effectively regulate gas for suppressed fire using an adjustable bolt carrier group, highlighting its flawless performance and correct gassing.

This review focuses on the Global Ordinance 15 upper receiver, highlighting its significant value at a $550 price point. Key features include a monolithic barrel, a Keymo brake for Dead Air suppressors, and an adjustable bolt carrier group for gas regulation. The instructor emphasizes that these features are uncommon at this price, making it a compelling option for budget-conscious builders.

Elliott Delp explains that the .300 Blackout caliber is often underutilized due to a lack of proper supporting hardware. He emphasizes that to truly appreciate its benefits, especially with subsonic ammunition, a high-quality suppressor and a correctly tuned gas system are essential. His Aero Precision build, featuring a Lahar 30 suppressor, is presented as a quiet and engaging setup.

This video details troubleshooting reliability issues with a CMMG MK3 AR-10, particularly in cold weather and with a suppressor. The host, demonstrating high-level expertise, installs and tests the RifleSpeed Gas Control adjustable gas block. The guide focuses on the process of tuning the gas block for consistent cycling across various conditions, highlighting the sensitivity of AR-10 platforms to ammunition and environmental factors.

The Helix Gas Regulating System by Blackout Defense offers a tool-less, barrel-integrated adjustable gas system. It allows users to precisely tune gas flow from full closure to their preference, preventing bolt over-travel and enhancing reliability. A key design feature isolates critical components from carbon buildup, effectively eliminating carbon lock.

Elliott Delp provides an expert review of the Sons of Liberty Gun Works (SOLGW) L89 upper and Scalper lower build. The assessment highlights excellent gas tuning, high accuracy, and impressive rail system performance. Range testing confirmed the rifle's reliability and shooting comfort, indicating a high-quality firearm package.

This ARFCOM News coverage from SHOT Show 2026 features Joel Weaver of Wolfpack Armory discussing innovative suppressor and firearm components. Key highlights include the Ventilator HUB Adapter designed to reduce back pressure, a vented end cap prototype, and the Romulus 556 suppressor utilizing radial flow technology with 718 Inconel construction for heat resistance. The segment also touches upon a prototype 8-inch 5.56 SBR for LE and an 11.5-inch CQB Pro with a modular handguard.

This video provides an expert-level comparison between the Ruger SFAR and the Palmetto State Armory Sabre-10, two competitively priced AR-10 platform rifles. The host, demonstrating high authority, details the technical specifications, range performance, and design philosophies of each. The Ruger SFAR is highlighted for its lightweight, AR-15-sized design and excellent accuracy, while the PSA Sabre-10 is praised for its conventional robustness, modularity, and premium factory upgrades. The review offers practical insights for choosing between these two capable .308 Winchester rifles.

This video reviews the HK MR762 and MR556 platforms, specifically focusing on their performance with the AS Designs Arcfire forced reset trigger (FRT). The host, demonstrating high expertise, highlights the 'battle rifle at home' potential of the 13-inch .308 MR762, while also discussing reliability nuances with the FRT in the MR556, such as the semi-auto cut bolt carrier requiring specific gas settings. Ergonomic criticisms of the proprietary HK stock and buffer tube are also detailed.

This review of the PSA OLCAN Bullpup in 300BLK highlights its modularity, built around the Jakl upper. Key takeaways include the need for gas system tuning for suppressed fire, with a four-click counter-clockwise adjustment significantly reducing recoil and blowback. Ergonomic considerations like potential beard snagging are also discussed, suggesting solutions like cheek risers.