Rifle Scopes Lose Zero While Sitting Inside a Safe?

This video from Brownells, featuring Caleb, explores the optimal zero distances for an AR-15, primarily for competition use. It analyzes four common zero distances: 25, 36, 50, and 100 yards, detailing their impact zones on an IPSC A-zone target at various ranges. The instructor emphasizes that the 'best' zero is dependent on the intended use of the firearm and the optic employed, recommending the 100-yard zero as a versatile option for experienced shooters, while suggesting 36 or 50 yards for those using red dots or LPVOs respectively, especially for closer engagements.

This video features firearms instructor hickok45 discussing two rifles: a Ruger American Predator in .350 Legend and a 35 Whelen. He covers practical aspects like cleaning, ammunition choices, and the importance of shot placement over caliber debates. The instructor also shares life advice on consistency in self-defense, health, and financial preparedness, emphasizing that true preparedness spans multiple life domains.

This guide details the process of mounting and leveling a Leupold VX-3HD scope on a T/C Encore Pro Hunter XT muzzleloader. It emphasizes precise leveling for the Custom Dial System (CDS) and discusses optimal ring placement for recoil management. The video also covers loading techniques with Blackhorn powder and 250-grain Shockwave bullets for muzzleloading season.

This guide details a technique for testing how barrel fouling affects rifle accuracy, based on an expert-led 100-round test. It demonstrates that for some rifles, accuracy can improve as the barrel breaks in and accumulates fouling, contrary to common assumptions. The test uses a Thompson/Center Encore Pro Hunter in .308 Winchester with Hornady ammunition and a Leupold scope, observing group sizes and point of impact shifts over 100 rounds without cleaning.

This video breaks down the critical factors affecting rifle accuracy, moving beyond the common internet assumption that 1 MOA is universally sufficient. It emphasizes barrel quality as the paramount component, followed by ammunition selection and managing barrel vibration. The instructor highlights common setup errors like incorrect zeroing, loose screws, and improper scope mounting that can significantly degrade a rifle's potential accuracy, even on custom builds.

This video demonstrates the process of zeroing an EOTech red dot sight on a Zastava PAP M92 Tactical firearm. The instructor guides viewers through establishing a zero at various distances, emphasizing safe range practices, consistent shooting technique, and the use of tools for sight adjustment. The process involves incremental adjustments based on shot groupings to achieve accurate point of aim and impact.

This video provides an expert-level comparison between the .44 Magnum and .50 Action Express calibers, featuring a Magnum Research Desert Eagle and a Ruger Super Redhawk. The host, demonstrating high authority, conducts a series of tests including penetration through lumber, steel, sand, and concrete, followed by ballistic gel testing with hollow-point rounds. The analysis highlights differences in muzzle energy, penetration, and wound channel, ultimately questioning the cost-to-performance ratio of the .50 AE.

This video provides an in-depth, experimental comparison between .223 Remington and 5.56x45mm NATO cartridges, utilizing a chronograph and various barrier materials. The host, demonstrating high expertise through empirical testing, reveals significant performance differences, particularly in barrier penetration, with 5.56x45mm NATO generally outperforming .223 Remington.

This video from Banana Ballistics explores the surprising lethality of "less lethal" shotgun ammunition. Through rigorous testing with ballistic gel and plywood, the host demonstrates that rounds like bean bags and high-velocity .410 rubber buckshot can cause significant damage, challenging the common perception of these rounds as entirely non-lethal. The testing highlights the importance of understanding ammunition performance beyond its intended classification.

This video provides an objective comparison of 9mm Luger, .40 S&W, and .45 ACP calibers through a series of rigorous tests including lumber, sand, concrete, and ballistics gel. The host, leveraging specialized equipment like a Garmin Xero C1 Pro chronograph and digital calipers, presents data on velocity, penetration, and expansion. While .40 S&W showed competitive performance in some tests, the analysis concludes with a preference for 9mm due to its higher capacity and lower recoil, highlighting the importance of practical considerations beyond raw ballistics.