The Chropi Rifle was a battle rifle built by Chropei

Chropei

CHROPEI, also spelled as CHROPI , was a historic Greek chemical company. It was founded in 1883 by chemists Spilios and Leontios Economides and has traditionally been a major synthetic dye and pharmaceuticals manufacturer.An important contributor to Greece's defence effort during...

 , a Greek

Greece

Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

 chemicals company, which used the "Chropi" spelling on its weapons. It was designed by a team under Mr. Sotiris Sofianopoulos (apparently based on an original Greek-Cypriot design) and was proposed to the Greek Army in 1975. It was a simple and rather outdated design, clearly inferior to the Heckler & Koch G3

Heckler & Koch G3

The G3 is a 7.62mm battle rifle developed in the 1950s by the German armament manufacturer Heckler & Koch GmbH in collaboration with the Spanish state-owned design and development agency CETME ....

, which was adopted (produced by the state-run EBO company). The rifle was rejected after a series of tests indicated that the weapon itself did not adhere to all of the desired standards. The company, nonetheless, had created all necessary infrastructure for the rifle's production and a small number were produced and delivered to the Greek Army

Hellenic Army

The Hellenic Army , formed in 1828, is the land force of Greece.The motto of the Hellenic Army is , "Freedom Stems from Valor", from Thucydides's History of the Peloponnesian War...

but these ended up being kept in storage facilities.