View Single Post
Old January 11, 2012, 03:14 PM   #26
Senior Member
Join Date: November 22, 2006
Posts: 1,951
Keep adding powder until it blows up, and then you will know the limit of the GP-100. Keep track of your data so you know when and how much powder it took to do so and adjust from there.

NRA Life Member, NRA Range Safety Officer, IDPA Safety Officer
They'll let anyone be a Safety Officer...
jmorris is offline  
Page generated in 0.08765 seconds with 7 queries