This review covers the Definitive Arms AK-103U, a custom AK-47 variant built from a Polish kit. The rifle features a 14.7-inch chrome-lined 4140 steel barrel with a pinned 24mm Bulgarian muzzle brake, enhancing accuracy. It includes a side optics rail, polished internals for smooth operation, a one-piece Russian mag catch trigger guard, and a durable parkerized and Cerakoted finish. The build quality is highlighted as being on par with high-end custom AK builders, with attention to detail like tumbled small parts and properly installed pins.
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