E2 Grip Kits: These are the new ergonomic grips from Sig Sauer. The backstrap area is inset for a smaller circumference. Sig Sauer Grips | Factory Certified Grips for Sig Guns

SRT Kits: This is the Short Reset Trigger kit that reduces the amount of forward travel required to reset the sear after firing the first shot. SRT KITS - Top Gun Supply