G5. Had a pack of stikers with loose blades. Called and they sent me a new pack with a return label for the old ones for their engis to look at.
Magnus Broadheads - no personal experiance but have never heard a bad thing on them. The owner is on ArcheryTalk alot. Lifetime no question asked warrenty.
Never had to deal with any other archery comany.

Dealer told me that Bowtech has been fantastic everytime they had an issue with a bow. Said they even replaced the limbs and cams on a customers bow that did a bone head thing and ruined them (he cut his string......intentionally!!! more to the story but anyway) Said bowtech charged them $50 bucks but said next time bring the checkbook.