This video from InRange TV's Red Oktober 2021 event features a field trial of a KP15 polymer lower, comparing it to a Vietnam-era equivalent. The discussion touches on Colt's early 1960s monolithic polymer lower concept, highlighting the evolution of polymer firearms components. The trial involves running this modern setup through a multigun competition, providing practical insights into its performance in a dynamic shooting environment.
The KE Arms KP15 polymer lower receiver undergoes rigorous field testing at a 2-gun match, demonstrating robust performance even in full-auto suppressed fire. Manufacturing involves injection molding halves and high-frequency vibration welding, with early units requiring manual finishing. The design offers improved ergonomics and a solid feel, proving reliable under competitive stress.
The Colt Models 1909 and 1910 were crucial developmental steps towards the M1911 pistol. The 1909 significantly improved reliability over earlier models with a new locking system and frame-mounted magazine release. The 1910 further refined the design with an angled grip and internal extractor, addressing user feedback and leading to the final 1911 configuration.
The Colt 1907 Trials Pistol represents a crucial evolutionary step towards the M1911, incorporating John Browning's early designs. It faced significant challenges during US military trials, including sear breakage and ejection issues, leading to modifications like enlarged ejection ports and improved sears. Despite initial skepticism from cavalry troops favoring revolvers, the 1907's development paved the way for the iconic 1911.
The Scotti Model X was a rare Italian semi-automatic rifle prototype developed in the 1930s, aiming to replace bolt-action Carcanos. It featured an unusual open-bolt design and utilized some Carcano M91 parts, like the barrel. While innovative, it suffered from extraction issues and a long lock time, requiring lubricated ammunition for reliable function.
This video details rigorous field testing of the RS Regulate AK-303 modular side mount and EOTech 512 optic on an AK-platform rifle in harsh, snowy conditions. Rob Ski of AK Operators Union demonstrates extreme stress tests to evaluate the mount's durability and zero retention capabilities. The testing confirms the mount's ability to maintain zero after multiple removals and re-installations, highlighting its mechanical advantages for optic placement and rifle balance. Initial impressions of the Rifle Dynamics M4 stock adapter are also provided.
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