I don't care for attached bi-pods, the weight and balance are a nuisance to me. I use separate bi-pods and tri-pods like the trigger stick or Bog Pod. More versatile as they can go from prone to standing.

"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli