. ▁A ▁trans verse ▁pin ▁allows ▁the ▁use ▁of ▁a ▁l any ard ▁to ▁carry ▁the ▁Model ▁ 3 1 7 ▁under ▁cl othing . ▁ ▁History ▁The ▁ 3 1 7 ▁was ▁designed ▁to ▁be ▁l ighter ▁than ▁previous ▁Smith ▁& ▁W ess on ▁' kit ' ▁guns ▁carried ▁for ▁out door ▁activities . ▁Ste el ▁was ▁replaced ▁by ▁tit an ium ▁and ▁al umin um ▁for ▁this ▁purpose . ▁ ▁Between ▁World ▁War ▁I ▁and ▁World ▁War ▁II , ▁the ▁k it ▁b ags ▁carried ▁by ▁hun ters , ▁h ik ers , ▁camp ers , ▁and ▁fish erman ▁frequently ▁had ▁a ▁small ▁hand gun ▁inside . ▁These ▁k it ▁b ags ▁carried ▁many ▁of ▁the ▁necessary ▁items ▁one ▁might ▁need ▁when ▁alone ▁in ▁the ▁open ▁country ▁or ▁forest . ▁In ▁ 1 9 3 5 , ▁the ▁. 3 5 7 ▁Mag num ▁was ▁released ▁by ▁Smith ▁& ▁W ess on . ▁It ▁was ▁said ▁to ▁be ▁“ The ▁World ’ s ▁Most ▁Power ful ▁Revol ver .” ▁After ▁this ▁came ▁the ▁more ▁compact ▁. 2 2 /. 3 2 ▁Target ▁I - frame ▁revol vers . ▁The ▁. 2 2 /. 3 2 ▁Kit ▁Gun ▁was ▁so ▁named ▁because ▁it ▁was ▁intended ▁to ▁be ▁carried ▁in ▁a ▁k it ▁bag . ▁ ▁The ▁Kit ▁Gun ▁line ▁began ▁as ▁an ▁I - Frame , ▁. 2 2 ▁cal iber ▁ 6 - shot ▁revol ver ▁in ▁ 1 9 5 3 , ▁and ▁its ▁model ▁design ation ▁at ▁the ▁time