Videos tagged with 9310 Steel Bolt

This review covers the new 338 ARC cartridge and a Palmetto State Armory (PSA) complete upper assembly designed for it. The 338 ARC offers approximately 1.5 times the energy of 300 Blackout with heavier projectiles, fitting within an AR-15 lower receiver. The PSA upper features an 8.5-inch barrel, pistol-length gas system, and is optimized for suppressed use and close-quarters applications.

This product spotlight on KAK K-Spec Bolt Carrier Groups from K Industries highlights several key features designed for enhanced reliability and performance. The serrated rail portions of the carrier are intended to help push dirt and debris away from the receiver, while dual ejectors on the bolt provide increased force for more consistent case ejection. The BCG is constructed from 9310 steel and features a properly staked and sealed gas key to prevent leaks. A notable innovation is the downward venting design, which redirects excess gas into the magazine well, reducing gas blowback to the shooter, particularly when suppressed.

This video provides an in-depth look at the Aero Precision M16A4 clone, highlighting its construction and historical context. The presenter details the components, from the nitride-coated Ballistic Advantage barrel to the specific markings on the receivers, emphasizing Aero Precision's quality and value. It also touches on other M16A4 clones, including offerings from Windham Weaponry and Colt, comparing their features and adherence to military specifications.

This review of the Dirty Bird Industries Enhanced Bolt Carrier Group highlights its performance after several hundred to potentially a thousand rounds without cleaning. The reviewer emphasizes its robust construction, including a 9310 steel bolt, black nitride finish, and strategic design improvements to reduce carrier tilt and enhance strength. The BCG demonstrated minimal wear, outperforming other manufacturers' BCGs in similar conditions, leading to high reliability and a positive shooting experience.

This review covers the Dirty Bird Industries complete AR-15 rifle, addressing an initial accuracy issue that was resolved by replacing the upper receiver. The replacement rifle demonstrated respectable accuracy with various ammunition types. The review details the rifle's components, including its 16-inch 416R stainless steel barrel, proprietary ambidextrous lower receiver, Dirty Bird two-stage trigger, and a unique flat wire spring with an H1 buffer system. After approximately 2,000 rounds, the rifle proved 100% reliable across different ammunition and shooting conditions.

This video provides an in-depth review of the E2 Armory Titanium Nitride Bolt Carrier Group (BCG). The reviewer, who has extensive experience with firearms, details the BCG's construction, materials, and performance after approximately 2500-3000 rounds. Key features highlighted include the 8620 steel carrier with hard chrome internal plating, the 9310 steel bolt, and the durable titanium nitride exterior coating. The review emphasizes the BCG's reliability and ease of cleaning, noting minimal wear only on the bolt lugs.

This video from Brownells introduces several new firearm products. Key items include high-tier Schmidt Bender rifle scopes with 34mm tubes and precise adjustments, AC-Defense muzzle devices and suppressor accessories for MP5 and Tyrant suppressors (including a 300 Blackout subsonic adapter), Swagger bipods offering field-ready stability and height adjustment, and a new Nickel Boron M16 bolt carrier group from Brownells for enhanced durability and slickness.

This review of the Ruger AR-556 by Nutnfancy provides an analytical yet enthusiastic assessment of Ruger's entry into the direct impingement AR-15 market. The expert highlights key features like the 1:8" twist rate, 9310 steel bolt, and 7075-T6 aluminum receiver, noting the rifle's competitive price point and surprisingly good trigger for its class. The AR-556 is positioned as a strong value proposition, potentially outperforming competitors like the Smith & Wesson M&P15 Sport in practical appeal for many users.

This review covers the AIM Surplus Nickel Boron (NiB) coated AR-15 Bolt Carrier Group (BCG). The reviewer highlights the benefits of NiB coatings, including increased lubricity, improved reliability with reduced lubrication, and ease of cleaning. Key specifications discussed include the 8620 tool steel full-auto profile carrier with angle cuts for debris management, and the 9310 steel MPI-tested bolt. The review notes the presence of tool marks on the interior of the carrier, explaining this is typical for NiB coatings. Reliability and headspace were confirmed to be positive. The BCG is priced at $129 and comes with a lifetime warranty.