- 4 4 . ▁ 1 0 5 ▁mm ▁How itzer ▁Motor ▁Car riage ▁M 7 ▁( P ri est ) ▁ 1 0 5   mm ▁M 1 / M 2 ▁how itzer ▁installed ▁in ▁open ▁super structure . ▁A ▁gun less ▁version ▁was ▁used ▁as ▁an ▁OP ▁( observ ation ▁post ▁vehicle ) ▁ 1 5 5 ▁mm ▁Gun ▁Motor ▁Car riage ▁M 1 2 ▁Design ed ▁as ▁the ▁T 6 . ▁A ▁ 1 5 5   mm ▁how itzer ▁on ▁M 3 ▁ch ass is . ▁ 1 0 0 ▁built ▁in ▁ 1 9 4 2 - 1 9 4 3 . ▁M 3 0 ▁C argo ▁Car rier ▁on ▁same ▁ch ass is ▁to ▁transport ▁gun ▁crew ▁and ▁am mun ition . ▁ ▁British ▁variants ▁ ▁Grant ▁AR V ▁G uns ▁removed ▁and ▁replaced ▁with ▁arm ored ▁recovery ▁vehicle ▁equipment . ▁Grant ▁Command ▁F itted ▁with ▁map ▁table ▁and ▁extra ▁radio ▁equipment ▁and ▁having ▁guns ▁removed ▁or ▁replaced ▁with ▁d umm ies . ▁Grant ▁Sc orp ion ▁III ▁ ▁gun ▁removed , ▁and ▁fitted ▁with ▁Sc orp ion ▁III ▁mine ▁fla il , ▁few ▁made ▁in ▁early ▁ 1 9 4 3 ▁for ▁use ▁in ▁North ▁Africa . ▁Grant ▁Sc orp ion ▁IV ▁Sc orp ion ▁III ▁with ▁additional ▁motor ▁to ▁increase ▁Sc orp ion ▁fla il ▁power . ▁Grant ▁CD L ▁From ▁" Can al ▁Def ence ▁Light "; ▁ ▁tur ret ▁replaced ▁by ▁one ▁with ▁a ▁powerful ▁search light ▁for ▁dis orientation ▁enemy ▁and ▁a