Model Variants (Including Prototypes)
Hs 129V-1 - Prototype Model
Hs 129B-0 - Developmental Model; fitted with 2 x 20mm MG 151/20 cannons and 2 x 7.92mm MG 17 machine guns; ten such models produced.
Hs 192B-1 - Initial Production Model
Hs 129B-2/R1 - Fitted with 2 x 20mm cannons and 2 x 13mm machine guns.
Hs 129B-2/R3 - Fitted with 2 x 20mm cannons amd 1 x 37mm BK 3.7 cannon.
Hs 129B-3 - Final Production Variant Model; 25 such models produced; fitted with electro-pneumatic 75mm BK cannon.
Hs 129C - Proposed improved form; never completed nor produced.