The Huben Spare Parts for K1 · Diagram 1 · Main Set brings together the essential components that form the core operating system of your K1 air rifle, giving owners direct access to the exact original parts needed for proper maintenance, servicing, or rebuilding of the hammerless platform's fundamental mechanisms. Manufactured to the same exacting standards as the original air rifle, each part ensures a precise fit and consistent function with every installation, helping preserve the K1's renowned efficiency, accuracy, and low-vibration performance while preventing the wear-related issues that come from using generic or incompatible substitutes — so whether you're doing routine upkeep or a full restoration, your K1 keeps delivering the performance and reliability it was engineered for, shot after shot.