Adjustable cheek rest from Kalix Teknik ABCR1 is a versatile cheek rest specifically made for weapons with stocks of composite materials. Suitable for over 90 models we cover the basics models on the market. Almost every rifle being produced today have stocks that are suitable for open sights, the mechanical fixed reticles which usually is factory mounted. But even factory-mounted rectiles are not individually adapted in height which the Adjustable cheek rest CR1 solves.