Kit requires assembly and painting.

This K14 gun sight was used in American aircraft of WWII such as the P-51. Ready made version comes painted and assembled (only glass piece may need to be glued on). Kit requires painting and supplying clear glass piece.

This gun sight was used prior to the use of the K14 gun sight in US aircraft such as the Corsair and P-47. Comes painted and assembled (only glass piece may need to be glued on) or as a kit.

This gun sight was used in Fw-190, Me-109, Me-262, and many other German WWII aircraft. Comes painted and assembled (only glass piece may need to be glued on).

This gun sight was used on later versions of the Spitfire. Comes painted and assembled (only glass piece may need to be glued on).

This gun sight was used on earlier versions of the Spitfire and Hurricane. Comes painted and assembled (only glass piece may need to be glued on).

Comes painted and assembled.