▁gun ▁( LM G ). ▁In ▁ 1 9 9 7 , ▁the ▁rif le ▁and ▁the ▁L M G ▁went ▁into ▁mass ▁production . ▁In ▁ 1 9 9 8 , ▁the ▁first ▁IN S AS ▁rif les ▁were ▁displayed ▁at ▁the ▁republic ▁day ▁para de . ▁The ▁introduction ▁of ▁the ▁rif le ▁was ▁delayed ▁due ▁to ▁the ▁lack ▁of ▁ 5 . 5 6 × 4 5 mm ▁am mun ition , ▁large ▁quantities ▁of ▁the ▁same ▁were ▁bought ▁from ▁Israel ▁Military ▁Indust ries . ▁ ▁The ▁first ▁combat ▁use ▁of ▁the ▁rif le ▁was ▁during ▁the ▁K arg il ▁War ▁in ▁ 1 9 9 9 . ▁ ▁The ▁Indian ▁Army ▁is ▁going ▁to ▁be ▁armed ▁partially ▁with ▁the ▁IN S AS ▁IC ▁assault ▁rif le . ▁ ▁Design ▁The ▁IN S AS ▁is ▁primarily ▁based ▁on ▁the ▁A K M ▁but ▁incorpor ates ▁features ▁from ▁other ▁rif les . ▁It ▁has ▁a ▁chrome - pl ated ▁bore . ▁The ▁bar rel ▁has ▁a ▁six - gro ove ▁rif ling . ▁The ▁basic ▁gas ▁operated ▁long ▁stroke ▁p ist on ▁and ▁the ▁rot ating ▁b olt ▁are ▁similar ▁to ▁the ▁A K M / AK - 4 7 . ▁ ▁It ▁has ▁a ▁manual ▁gas ▁reg ulator , ▁similar ▁to ▁that ▁of ▁F N ▁F AL , ▁and ▁a ▁gas ▁cut off ▁for ▁launch ing ▁gr en ades . ▁The ▁charg ing ▁handle ▁is ▁on ▁the ▁left ▁instead ▁of ▁on ▁the ▁b olt ▁car rier , ▁similar ▁in ▁operation ▁to