Testing the SIG SPEAR in 6.8x51!

This video offers a critical review of the SIG Sauer MCX-Spear and LMG-6.8, part of the NGSW program. The speaker, an experienced firearms instructor, highlights technical specifications and potential issues with the 6.8x51mm hybrid ammunition, dual charging handles, and the SLX suppressor, expressing skepticism about long-term reliability and cost-effectiveness.

Scott from Kentucky Ballistics tests the Sig MCX Spear, the civilian version of the military's new M7 rifle, chambered in the powerful 277 Fury (6.8x51mm) cartridge. The video focuses on the cartridge's performance, testing its penetration against ballistic glass, Level IV body armor, and an armored truck, alongside ballistic gel and dairy product tests. The 277 Fury demonstrates significantly higher pressure and energy transfer compared to 5.56 NATO.

This video compares the 270 Winchester and the new 277 Fury (6.8x51mm) cartridges, analyzing their ballistic performance through velocity and muzzle energy measurements. The presenter demonstrates that while ballistically similar, the 277 Fury achieves comparable or superior energy levels with shorter cartridges, shorter barrels, and lighter firearms, highlighting the advantages of its high-pressure design.

This expert-level analysis of the Sig Spear rifle chambered in 6.8x51mm (.277 Fury) with match-grade ammunition reveals significant accuracy potential. The test demonstrates that while standard ball ammunition may yield less precise results, the 155-grain match load is capable of sub-MOA accuracy in three-shot groups, with five-shot groups averaging around 1.26 MOA. The 6.8x51mm cartridge exhibits impressive ballistics, exceeding .308 Winchester in velocity and energy with comparable projectile weights.

This video focuses on the destructive ballistics of the 6.8x51mm cartridge, also known as Sig 277 Fury. The title and description emphasize its powerful impact on ballistics gel, suggesting a demonstration of the round's terminal ballistics. The content is presented by Military Arms Channel (MAC) and promotes their social media, Patreon, Utreon, Rumble, and merchandise store. It also mentions the Modern Gun School and provides a discount code for Challenge Targets.

This comprehensive review of the Sig MCX Spear LT, with a comparative discussion of the Sig XM7, highlights the MCX Spear LT's features, weight, and performance. The reviewer, a retired Lieutenant Colonel, offers a critical perspective on the XM7's adoption and its implications for soldier loadouts. While acknowledging the MCX Spear LT's reliability and build quality, the review questions its overall value proposition compared to more traditional AR-15 platforms, particularly regarding accuracy and price.

This guide covers the setup and operation of the Daniel Defense DDM4 PDW in .300 Blackout, as presented by a firearms instructor. It details the installation of common accessories like suppressors, lights, and optics, along with magazine loading and stock adjustment. The video emphasizes the PDW concept's utility and the effectiveness of the .300 Blackout cartridge, concluding with a live-fire demonstration.

This video features Tim from Military Arms Channel demonstrating the Remington 742 semi-automatic rifle chambered in .30-06 Springfield. He compares the .30-06 cartridge to the 5.56x45mm used in AR-15s, highlighting the power difference. The demonstration includes live fire at a steel target, showcasing the rifle's operation and magazine insertion.

This guide details the installation of the AR-57 upper receiver onto a standard AR-15 lower receiver, enabling the use of the 5.7x28mm cartridge. It also covers a practical modification using a Magpul PMAG as a brass catcher, demonstrating how spent casings are ejected downward through the AR-15's magazine well. The information is presented with high authority by Military Arms Channel, a recognized firearms reviewer.

This guide details how to swap the stock on a Ruger Mini-14, demonstrating its modularity by replacing a synthetic stock with a classic wood folding stock. The video features a live-fire demonstration of the rifle in its 'A-Team' style configuration, highlighting its rapid-fire capability. The host, a recognized firearms expert, provides an informative and confident assessment.