Sizing Directions:—Use the trigger as a reference of where your supporting thumb would sit comfortably. There is a roughly 3/8 of an inch difference between the sizes.
Size #3 is the size that’s furthest out and the #2 is the middle size and the #1 is the size closest to the trigger.

Ceramic Coating Details: Grip Controls are made of a special alloy that will resist corrosion wear and will withstand high performance with your pistol however, it is designed to be softer and ware before any of the stock gun components, so it’ll experience more abrasion and consequently the ceramic coating may show signs of wear.

Holster Disclaimer: The Grip Control was designed specifically to be used with a carry type holster. HOWEVER, it is an aftermarket add-on and doesn’t just magically appear on the gun.  It protrudes slightly off the gun (usually ¼”-5/16”).  Some holsters can accommodate the GC with no adjustments, but many won’t. Of those holsters that need adjustment, 90% of them can be adjusted in a minute or two with a hairdryer.  In the case of a heavier, thicker plastic holster, more heat and even a Dremel is required.  So please consider this before you purchase.