Understanding Density Altitude | Marcus Hom

The 7mm PRC, introduced in 2022, is emerging as a superior long-range precision and hunting caliber, poised to surpass the 6.5 Creedmoor by fall 2026. It offers heavier bullets (160-195 grains) and higher velocities (upwards of 3,100 ft/s) with greater energy, enabling accuracy beyond 1,000 yards and better performance on large game. Its rapid growth indicates strong industry backing.

This roundtable discussion covers various firearms-related topics, including the effectiveness of speed loaders versus speed strips for revolver reloads, the merits of the Sig Sauer P239 as a carry pistol, and the legal implications of waiting periods for firearm purchases. Panelists also touch upon broader political and geopolitical issues with implications for defense spending and international relations, offering insights from their diverse perspectives.

This video speculates on the rifle and caliber used in a hypothetical shooting incident involving Charlie Kirk, focusing on ballistics and forensic analysis. It highlights the suitability of a rebarreled Mauser K98K in .30-06 Springfield for a precise 180-200 yard shot, explaining the capabilities of such surplus bolt-action rifles and the forensic methods used to identify a firearm. The discussion emphasizes that official confirmation relies on lab analysis of bullet and casing evidence.

This video explores the often-misunderstood .45 ACP cartridge, detailing its historical significance, performance characteristics, and modern applications. It debunks myths about its recoil, highlighting its controllable push and effectiveness as a 'fight stopper'. The content covers its use in various platforms from revolvers to submachine guns and discusses enhanced variants and reloading aspects, emphasizing its enduring relevance.

This comprehensive entry delves into the .22 Short cartridge, challenging its common perception as a weak round. Drawing on expert insights, it covers historical context, ballistic performance, and modern applications, demonstrating its surprising effectiveness and enduring utility. The information is presented from an authoritative perspective, highlighting its significance from self-defense origins to Olympic competition and practical pest control.

TheYankeeMarshal critically evaluates common ported barrel tests, highlighting the inherent flaws in methodologies like those using Ransom rests and level gauges. He explains how inconsistencies in equipment setup and gun positioning can lead to skewed results, suggesting that many content creators may pre-script their findings, undermining the scientific integrity of their tests.

This video features an expert firearms instructor demonstrating trigger pull weights on two distinct rifles. He assesses a two-stage trigger on a precision rifle at approximately 3.5 lbs and contrasts it with an extremely light 1 oz trigger on an F-Class rifle, highlighting significant differences in trigger feel and weight.

This guide compares the CMMG Resolute 200 series rifles in 5.56 NATO and 6.5 Grendel, drawing on expert insights from Precision Rifle Network. It details their respective optimal ranges, zeroing methods, and ballistic performance, highlighting the 6.5 Grendel's superiority for medium-to-long-range precision applications and the 5.56's effectiveness for closer engagements. The instruction emphasizes practical ballistics calculations for extended range shooting.

This guide details the process of testing various factory 6.5 Creedmoor ammunition loads through a Bergara B14-HMR rifle. It covers setting up chronographs, live fire procedures, and analyzing data for velocity, extreme spread, and group sizes. The testing protocol, as demonstrated by the technical and objective speaker, aims to provide comprehensive performance insights for different ammunition types.

This guide details a long-range shooting technique for the SKS rifle using open sights, as demonstrated by a highly authoritative instructor. It covers zeroing at 100 yards, making precise sight adjustments, and extending accuracy to 600 yards by accounting for ballistics and subsonic effects. The instructor emphasizes practical application and data-driven adjustments for success.