▁ 1 9 1 1 s . ▁ ▁In ▁ 1 9 8 5 , ▁Col t ▁developed ▁their ▁own ▁in - house ▁version ▁and ▁named ▁it ▁the ▁" Col t ▁Officer ' s ▁A CP ", ▁the ▁following ▁year ▁they ▁introduced ▁a ▁l ighter ▁version ▁with ▁an ▁al umin ium ▁frame ▁known ▁as ▁the ▁Light weight ▁Officer ' s ▁A CP ▁which ▁we ighed ▁ 1 0 ▁ oun ces ▁less ▁( 2 4 ▁ oun ces ). ▁ ▁When ▁Col t ▁introduced ▁the ▁ 1 9 9 1 ▁line ▁( a ▁par ker ized ▁version ▁of ▁the ▁ 1 9 1 1 , ▁with ▁the ▁series ▁ 8 0 ▁firing ▁pin ▁safety ) ▁it ▁included ▁a ▁p istol ▁of ▁the ▁same ▁dimensions ▁as ▁the ▁Officer ' s ▁A CP . ▁A ▁hy brid ized ▁variation ▁with ▁Commander - length ▁bar rel - slide ▁and ▁al loy ▁Offic ers ▁Model ▁Frame . ▁One ▁version ▁was ▁made ▁by ▁T AL O ▁and ▁another ▁by ▁the ▁P istol ▁Smith s ▁at ▁Gun Site ▁Academy . ▁In ▁ 2 0 1 5 ▁T AL O ▁had ▁Col t ▁Indust ries ▁bring ▁out ▁a ▁version ▁with ▁features ▁specified ▁by ▁W iley ▁Cla pp ▁and ▁fine ▁line ▁check ering ▁by ▁gun ▁sm ith ▁P ete ▁Single . ▁ ▁Although ▁pra ised ▁for ▁its ▁compact ▁size , ▁the ▁Col t ▁Officer ' s ▁A CP ▁has ▁drawn ▁criticism ▁for ▁being ▁fin icky ▁with ▁am mun ition ▁and ▁the ▁sharp ▁re co il ▁from ▁the ▁short ▁bar rel .