ck ler ▁& ▁Koch ▁G 4 1 ▁assault ▁rif le ▁( a ▁variant ▁of ▁the ▁H K 3 3 ) ▁to ▁replace ▁the ▁ 7 . 6 2 mm ▁He ck ler ▁& ▁Koch ▁G 3 ▁battle ▁rif le ▁and ▁the ▁ 4 . 7 mm ▁He ck ler ▁& ▁Koch ▁G 1 1 ▁car bine ▁to ▁replace ▁the ▁ 9 mm ▁I MI ▁MP 2 ▁U zi ▁and ▁He ck ler ▁& ▁Koch ▁MP 5 . ▁The ▁end ▁of ▁the ▁Cold ▁War ▁and ▁the ▁reun ification ▁of ▁Germany ▁in ▁ 1 9 9 0 ▁forced ▁everyone ▁to ▁sc ram ble ▁for ▁a ▁cheap ▁alternative . ▁The ▁G 3 6 ▁family ▁was ▁created ▁from ▁a ▁proof - of - con cept ▁prototype ▁re ch am ber ed ▁to ▁fire ▁the ▁ 5 . 5 6 mm ▁NAT O ▁cart ridge . ▁It ▁is ▁composed ▁of ▁an ▁assault ▁rif le ▁( G 3 6 ), ▁light ▁machine ▁gun ▁( M G 3 6 ), ▁assault ▁car bine ▁( G 3 6 K ), ▁and ▁P D W ▁( G 3 6 C ). ▁▁▁▁▁▁ ▁He ck ler ▁& ▁Koch ▁G 3 6 ▁ ▁H K 4 1 6 ▁ ▁H K 4 1 7 ▁ ▁Italy ▁The ▁Italian ▁military ▁briefly ▁fl irt ed ▁in ▁the ▁ 1 9 8 0 s ▁with ▁the ▁idea ▁of ▁adopt ing ▁a ▁heavy - bar rel led ▁magazine - f ed ▁ 5 . 5 6 mm ▁automatic ▁rif le . ▁It ▁was ▁to ▁accomp any ▁the ▁companion