This video from SmythBusters investigates the common practice of mounting optics on AR-15 handguards, including bridging the receiver and handguard. Steve and Caleb from Brownells use red dot sights and LPVOs to demonstrate how this mounting method impacts accuracy, group size, and zero retention. They conduct drop tests to show zero shift and compare the performance of optics mounted on the handguard versus the receiver. The video concludes by debunking this internet myth and emphasizing the importance of proper optic mounting for reliable firearm performance.
This video tests the return-to-zero capability of a Terminus Zeus switch barrel system. The presenter will demonstrate the process of removing and reattaching a barrel multiple times, shooting groups after each swap. The primary focus is on observing any zero shift that occurs, aiming to determine the effectiveness of the switch barrel design for maintaining zero without re-sighting.
This video addresses a potential issue with an AI-AT rifle experiencing a significant zero shift after cleaning, prompting concern from the creator. The video also aims to gather drop data and mentions an upcoming class by Frank Galli. The creator is seeking community input to diagnose the rifle's problem. Various shooting-related gear and resources are linked in the description, indicating a focus on precision shooting and long-range applications.
This video reviews the Wolf PSU NPZ 1-4x scope, presenting it as a direct competitor to the Elcan optic due to its flip lever for variable magnification between 1x and 4x. The reviewer details an unusual experience at a rifle match where the shooter performed better at 4x magnification than at 1x on a left-handed Spuhr enhanced G3 rifle. The video covers zero testing of the rifle at 4x and raises the question of potential zero shift issues when switching between magnification settings on the scope. The channel emphasizes viewer support through Patreon.
This video performs a detailed comparison of Glock 19 barrels, focusing on the impact of changing barrels on the zero of a red dot sight. The creator utilizes a Ransom Rest to eliminate shooter error, firing identical groups with various generation Glock OEM barrels and a new Faxon "match grade" Glock 19 barrel. The primary questions addressed are how much zero shift occurs when swapping barrels and which barrels yield the tightest groups, highlighting the practical accuracy advantages of red dot equipped pistols.
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