Videos tagged with Bullet Stability

This video conducts an accuracy test comparing 5.56 NATO FMJ and Match ammunition from an AR-15. The test reveals that Winchester M855 62gr Green Tip FMJ surprisingly outperformed the match-grade bullets in terms of group size at 100 yards. The Ruger MPR with an 18-inch barrel and 1:8 twist rate was used for the evaluation.

This video, titled 'Quickies- The difference between a 1/7 & 1/9 twist barrels,' aims to educate viewers on the distinction between two common barrel twist rates for firearms. The content focuses on the technical specifications of rifle barrels, specifically highlighting the 1/7 and 1/9 twist ratios and their implications for bullet stability and performance. This information is crucial for firearm owners and enthusiasts when selecting or understanding the capabilities of their rifles.

This expert-level analysis debunks the myth that the M16A1's 1:12 twist rate produces more severe wounds than the M16A2's 1:7 twist rate. Through ballistic gel testing with M193 ammunition, the video demonstrates no significant difference in wound characteristics between the two twist rates. The myth's origin is attributed to misinterpretations of field observations related to different ammunition types used with each rifle.

This video, featuring ballistician Bryan Litz, explains the critical concept of the transonic range in long-range shooting. Litz details how bullet performance and predictability change significantly as velocity drops below approximately 1340 feet per second, requiring advanced ballistic knowledge for sustained accuracy. He recommends his 'Applied Ballistics' book series for those seeking to master these complex effects.

This video provides a basic explanation of firearm twist rate and its effect on a 5.56mm bullet. The content aims to educate viewers on this fundamental aspect of ballistics and its impact on projectile stability and performance. The description also includes links to merchandise, social media, and related channels, along with affiliate links for camera and shooting gear.

This video debunks the 'brush gun' myth, demonstrating through controlled testing that even traditional brush calibers like the .30-30 Winchester and heavy hitters like the .45-70 Government experience significant bullet deflection when encountering small obstacles. Instructor Chris Baker uses pine furring strips to simulate brush, showing that all tested calibers, including the .223 Remington, are susceptible to trajectory changes and destabilization. The key takeaway is that no bullet is a true 'brush buster,' and hunters should prioritize clear shots and use optics to identify obstructions.

The S333 Thunderstruck revolver exhibits severe bullet instability, causing keyholing even at close range, regardless of ammunition quality. Testing revealed the issue is isolated to the left barrel, indicating a manufacturing defect rather than a design flaw. The review concludes the S333 is unreliable for self-defense due to its inaccuracy.

Instruction from Todd Hodnett, an expert in precision rifle shooting, details the advantages of faster barrel twist rates for long-range accuracy. He explains how modern bullets can handle these faster twists, which enhance gyroscopic stability and mitigate issues caused by transonic shockwaves. This leads to reduced bullet drop and tighter groups at extended distances. The advice is geared towards rifle owners considering customization or rebarreling for improved performance.

This guide details the process of reloading .300 Blackout subsonic ammunition using 220gr Nosler Ballistic Tip bullets. It covers brass preparation, OAL determination, powder selection (CFE BLK, W296), bullet seating challenges, and crucial range testing for stability. The expert-level instruction highlights potential issues like keyholing and poor bullet expansion, emphasizing a methodical approach to ammunition development.

This head-to-head range test compares 1:7 and 1:6.5 twist barrels for the .224 Valkyrie cartridge using heavy projectiles. Contrary to common assumptions, the 1:7 twist barrel demonstrated surprising stability with the 95gr Sierra MatchKing and 90gr SMK, even outperforming the 1:6.5 twist in some instances. The test also highlighted issues with brass longevity and primer pocket looseness at high pressures.

This video features Bryan Litz, a recognized expert in ballistics, explaining the critical factors affecting bullet stability, particularly in the transonic speed range. He details how bullet design, twist rate, and speed influence stability, impacting ballistic coefficient and trajectory prediction. Litz emphasizes the importance of empirical testing and references his extensive research in 'Modern Advancements in Long Range Shooting.'

This video, featuring ballistician Bryan Litz, explains the critical relationship between rifle barrel twist rates and bullet stability, especially for long-range shooting. Litz details how to determine the correct twist rate for specific bullets using manufacturer recommendations and online calculators, emphasizing the importance of achieving a gyroscopic stability factor of 1.5 or higher for optimal performance. The content is presented with high authority, drawing from Litz's extensive experience and published works.