Ian McCollum of Forgotten Weapons provides an expert overview of the Ensio Arms KAR-21, a modern Finnish-made service rifle. Key features include a robust 7-lug rotating bolt, a short-stroke gas piston system, and impressive dual-caliber capability for both 5.56 NATO and 7.62 NATO rounds, utilizing AR-15 and AR-10 magazines respectively. The rifle is designed for durability, with specific attention paid to cold-weather reliability, reflecting its origins. It is currently available in Europe and undergoing ATF licensing for US importation.
This video contrasts the historical "lock, stock, and barrel" concept with modern firearms, specifically comparing the 1816 Springfield flintlock musket to the M4 service rifle. It highlights significant changes in firearm design and function over two centuries, particularly focusing on the evolution of the lock mechanism, stock design, and rate of fire.
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