Rearwards in a sentence as an adverb

This gives you the leverage to reach forward with thumb and index finger to pull rearwards on the locking nubs.

The locking lugs lock the barrel into the slide, so that when fired the barrel and slide initially travel together rearwards.

Rearwards definitions

adverb

at or to or toward the back or rear; "he moved back"; "tripped when he stepped backward"; "she looked rearward out the window of the car"

See also: back backward backwards rearward