This is the practice version of the RG4 impact grenade. It could be re-used after every excersise.
After resetting the impact mechanism the safetypin was sealed. A "VLOŽKA KOUŘOVÁ RG-CV 5" smoke charge was placed by the user.
Height: 85mm, unloaded weight: 350gram.
-cover : 57mm
-hole in cover : 15mm
-lower body : 53mm
-measured over mechanism : 65mm