▁designated ▁as ▁a ▁" machine ▁p istol " ▁to ▁dis gu ise ▁the ▁true ▁nature ▁of ▁the ▁weapon ▁from ▁Hitler . ▁After ▁the ▁event ual ▁appro val ▁and ▁accept ance ▁of ▁the ▁St urm ge wehr ▁ 4 4 , ▁it ▁was ▁red es ign ated ▁as ▁the ▁" short ▁cart ridge ▁model ▁ 1 9 4 3 " ▁( ). ▁ ▁Background ▁The ▁cart ridge ▁was ▁the ▁same ▁cal iber , ▁and ▁had ▁the ▁same ▁base ▁diameter , ▁as ▁the ▁ 7 . 9 2 × 5 7 mm , ▁which ▁was ▁employed ▁by ▁the ▁standard ▁German ▁Army ▁inf antry ▁rif le , ▁the ▁Kar ab iner ▁ 9 8 k , ▁as ▁well ▁as ▁its ▁machine ▁guns . ▁The ▁German ▁armed ▁forces ▁had ▁issued ▁a ▁ 7 . 9 2 × 5 7 mm ▁automatic ▁( select ▁fire ) ▁rif le , ▁the ▁F G ▁ 4 2 , ▁in ▁limited ▁numbers , ▁but ▁the ▁heavy ▁re co il ▁of ▁the ▁round ▁made ▁it ▁difficult ▁to ▁use ▁effectively ▁in ▁this ▁role . ▁ ▁What ▁was ▁needed ▁was ▁a ▁cart ridge ▁that ▁could ▁be ▁used ▁in ▁a ▁l ighter , ▁more ▁man eu ver able ▁rif le ▁to ▁bridge ▁the ▁gap ▁between ▁subm achine ▁guns ▁and ▁rif les . ▁The ▁standard ▁issue ▁ 7 . 9 2 × 5 7 mm ▁cart ridge ▁case ▁was ▁short ened ▁by ▁. ▁With ▁a ▁case ▁length ▁of ▁, ▁the ▁Kurz ▁round ▁was ▁substantial ly ▁shorter ▁and ▁delivered ▁less ▁re co il ▁than ▁full - length