▁clip - f ed , ▁semi - autom atic ▁rif le . ▁It ▁is ▁ ▁long ▁and ▁it ▁we igh s ▁about ▁. ▁ ▁The ▁M 1 ' s ▁safety ▁catch ▁is ▁located ▁at ▁the ▁front ▁of ▁the ▁trigger ▁guard . ▁It ▁is ▁engaged ▁when ▁it ▁is ▁pressed ▁rear ward ▁into ▁the ▁trigger ▁guard , ▁and ▁dis eng aged ▁when ▁it ▁is ▁pushed ▁forward ▁and ▁is ▁pro tr ud ing ▁outside ▁of ▁the ▁trigger ▁guard . ▁ ▁The ▁M 1 ▁Gar and ▁was ▁designed ▁for ▁simple ▁assembly ▁and ▁dis assembly ▁to ▁facil itate ▁field ▁maintenance . ▁It ▁can ▁be ▁field ▁stri pped ▁( bro ken ▁down ) ▁without ▁tools ▁in ▁just ▁a ▁few ▁seconds . ▁ ▁The ▁rif le ▁had ▁an ▁iron ▁sight ▁line ▁consisting ▁of ▁rear ▁receiver ▁a pert ure ▁sight ▁protected ▁by ▁st ur dy ▁" ears " ▁cal ibr ated ▁for ▁ ▁in ▁ ▁incre ments . ▁The ▁bullet ▁drop ▁compens ation ▁was ▁set ▁by ▁turning ▁the ▁range ▁kn ob ▁to ▁the ▁appropriate ▁range ▁setting . ▁The ▁bullet ▁drop ▁compens ation / range ▁kn ob ▁can ▁be ▁fine ▁adjust ed ▁by ▁setting ▁the ▁rear ▁sight ▁elev ation ▁pin ion . ▁The ▁elev ation ▁pin ion ▁can ▁be ▁fine ▁adjust ed ▁in ▁approximately ▁ 1 ▁MO A ▁incre ments . ▁The ▁a pert ure ▁sight ▁was ▁also ▁able ▁to ▁correct ▁for ▁wind ▁dr ift ▁operated ▁by ▁turning ▁a ▁wind age ▁kn ob ▁that ▁moved ▁the ▁sight ▁in ▁approximately ▁ 1 ▁MO A ▁incre ments . ▁The ▁wind age ▁lines ▁on ▁the