It's really hard to ID pics on that scale. If you take the photo with 5 heads per photo is works much better.
Top row, left to right:
I will take #2 #3 #4
Top l-r
Pearson Deadhead
mine
mine
mine
Pearson Switchblade
Row 2 l-r
Outback Supreme
Grizzly
Ma-3 (small?)
Bear Razorhead
Razorhead
Row 3 l-r
Black Swan
Magnus
Grizzly
Arrowmate
Razorhead
row 4 l-r
Delta Sniper
Arrowmate
Arrowmate
Delta Sniper
MAgnus
Row 5 l-r
Delta Sniper
MAgnus
Bear Razorhead
?
Bear Razor head
row 6 l-r
Sniper
Sniper
Sniper
MAgnus
Browning Serpintine
Last row
?
Bear
Bear