Suspensor Webs were rare and highly sophisticated devices used by Space Marines during the Great Crusade and Horus Heresy. Attached to portable heavy weapons, they negated much of the typical weight and bulk of these weapons, allowing them to be wielded far more easily. However this effect also reduced the effective range.[1]
See also
Sources
- 1: The Horus Heresy Book One - Betrayal, pg. 237