Assertion: rifle's stock | /r/HasProperty | plastic
Facets:
value: to reduce weight
type: PURPOSE
Source sentences:
text: Parts were stamped out, not hand-machined, so could be mass-produced, and the stock was plastic to reduce weight.
text: It had a full pistol-gripped in-line stock to control recoil, a plastic upper forend to save weight, a muzzle compensator, the BAR sling, an M2 bipod, and a folding metal vertical foregrip mounted under the forend of the stock.