Can a Bipod Change Your Rifle's Point of Impact?

What effect does the bipod play on a bullet's point of impact? Does it feet and ground surface play a role? This video addresses these questions.

Timeline:
00:00 - Intro
05:03 - Sled feet
05:58 - Changing feet
06:41 - Spike feet
08:18 - Standard feet
09:11 - Results
14:24 - Group centroid
17:06 - Wrap up

Links:
Reloading for the .300 PRC playlist https://www.youtube.com/playlist?list=PL_KBTsQIm0U7XdrR7dosXNDHN6ta98fKz