▁H & K ▁G 3 6 ▁or ▁Ste yr ▁A UG , ▁the ▁SA W ▁is ▁simply ▁the ▁standard ▁rif le ▁with ▁a ▁few ▁parts ▁replaced . ▁However , ▁the ▁Aust rian ▁Army , ▁though ▁issu ing ▁the ▁Ste yr ▁A UG ▁rif le , ▁does ▁not ▁issue ▁the ▁H B AR ▁( he avy ▁bar rel ) ▁variant . ▁Instead , ▁the ▁ 7 . 6 2 mm ▁cal iber ▁M G 7 4 , ▁a ▁derivative ▁of ▁W W 2 - era ▁German ▁M G ▁ 4 2 , ▁is ▁issued . ▁ ▁Light ▁machine ▁guns , ▁either ▁bel t - f ed ▁or ▁magazine - f ed , ▁may ▁be ▁used ▁as ▁squad ▁automatic ▁weapons , ▁as ▁may ▁be ▁general - pur pose ▁machine ▁guns ; ▁for ▁example , ▁during ▁most ▁of ▁the ▁Cold ▁War ▁period , ▁the ▁standard ▁squad ▁automatic ▁weapon ▁in ▁the ▁British ▁Army ▁was ▁the ▁F N ▁Mag - der ived ▁L 7 . ▁The ▁most ▁common ▁squad ▁automatic ▁weapons ▁in ▁use ▁today ▁are ▁derived ▁from ▁two ▁basic ▁patterns : ▁the ▁Kal ash nik ov - based ▁R PK ▁or ▁the ▁purpose - des igned ▁F N ▁Min imi . ▁ ▁Belg ium ▁ ▁F N ▁Min imi ▁ ▁F N ▁SC AR ▁ ▁China ▁ ▁Q BB - 9 5 ▁ ▁Q J Y - 8 8 ▁ ▁Germany ▁West ▁Germany ' s ▁original ▁plan ▁in ▁the ▁late ▁ 1 9 8 0 s ▁was ▁to ▁adopt ▁the ▁new ▁ 5 . 5 6 mm ▁He