Videos tagged with Delayed Roller Lock

This video is a review of the Grand Power Stribog SP9A3 G carbine, a new variant that utilizes Glock magazines. The reviewer highlights the delayed roller lock action and its soft shooting characteristics. The carbine is nicknamed the 'SCARBOG' due to its Arex Defense folding stock. The video thanks GunZoneDeals for providing the firearm for review and Fiocchi USA for ammunition. It also includes various affiliate links and calls to action for viewers to subscribe and support the channel.

This video details the process of upgrading the Grand Power Stribog SP9A3 with an improved bolt and magazine followers. The reviewer highlights the differences between the original and upgraded components, emphasizing how these changes address potential wear and reliability issues. After installing the upgrades and conducting a 2000-round test, the firearm demonstrated zero malfunctions, indicating a significant improvement in performance.

This video from Brownells Gun Techs Caleb Savant and Keith Ford features an in-depth look at the SIG PE 57 battle rifle, a semi-automatic variant of the Swiss Stgw 57. Discovered at Rock Island Auctions, the rifle is chambered in 7.5mm Swiss and utilizes SIG's signature delayed roller lock blowback action. The hosts highlight its unique features, including provisions for a grenade launcher, a loaded chamber indicator, an integrated bipod, flip-up sights, and an unusual base-first ejection system. The video also briefly touches on the related SIG AMT model and the rarity of these rifles in the U.S.

This video compares the H&K MP5K (represented by a Zenith Z5P) and the CZ Scorpion Micro, highlighting their operational differences and construction. The MP5K utilizes a delayed roller lock system with a stamped steel receiver, while the Scorpion employs a blowback system with a predominantly polymer construction. The presenter also touches on the process and benefits of converting these firearms to Short Barreled Rifles (SBRs) via the ATF eFile system.

This review of the Century Arms C308 rifle, a build utilizing CETME parts, a PTR receiver, and a US-made barrel, highlights its value proposition. The reviewer, Mrgunsngear, provides an expert assessment of its accuracy, reliability, and features, concluding it offers excellent performance for its price point. The guide covers basic disassembly for maintenance.