Primitive weapon (8)
I believe the answer is:
blowpipe
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">primitive weapon</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for blowpipe that I've seen before include "Weapon shooting darts" , "Tube through which poisoned darts are propelled" , "Missile launcher" , "Tube through which a poisoned dart may be shot" , "Dart launcher" .)