Videos tagged with 77-grain Sierra MatchKing

This expert guide details a comprehensive test of Tannerite's lethal distance, conducted by experienced individuals using professional equipment. The experiment involved detonating 5 lbs of Tannerite at varying distances from a ballistic dummy using a Cobalt Kinetics rifle chambered in 5.56 NATO with 77-grain Sierra MatchKing rounds. The results demonstrate that Tannerite, while an explosive target, poses significant risks at close range, with point-blank detonations being non-survivable. The guide emphasizes safety protocols and the importance of understanding blast effects.

This expert review from Military Arms Channel delves into the performance of Norma ammunition, highlighting exceptional accuracy with their .308 WIN 147-grain Tactical Ball, achieving sub-MOA groups. The review also covers Norma Whitetail 6.5 Creedmoor and Norma Match .223, comparing their performance and value against other brands. The instructor emphasizes Norma's surprising accuracy for its price point, making it a viable option for both precision shooting and hunting.

This video provides an in-depth look at the Primary Arms 3-18x magnification optic featuring the Athena BPR reticle, focusing on its practical application for long-range shooting. The instructor demonstrates how to effectively use the reticle's holdover points and ranging features, even without a precise zero, showcasing its utility with different ammunition types and magnifications. The content highlights the optic's first focal plane design and its tactical turrets, emphasizing its versatility for various shooting scenarios.

This video details an attempt to clone Mk262 ammunition using Winchester 748 and Winchester 760 powders with 77-grain Sierra MatchKing bullets. The instructor, with experience in this series, tests various powder charges, meticulously recording velocity, group sizes, and pressure signs. While Winchester 748 proved ineffective for accuracy, Winchester 760 showed significant promise, particularly at lower charge weights, warranting further investigation.