+1 to talon grips for the front and the back. I bought a sheet of the rubberized one and then also a p10c one for the small back strap. The sides I felt are fine. I cut out the sections for the front and rear, didn't use the sides, and then used the non adhesive section as a template for making more if i ever need it.
It's 10x better and doesn't just destroy my hand while shooting.