Hogue short LOP stock was too short for me for competition use (but great for home defense) and standard stock was a little too long. So I decided to remvoe half of inch for a perfect fit. Watch the video.
How to Cut Shotgun Stock, Instructions with Photos
Clamp stock in padded vice, measure and mark the stock.

Cutting Hogue Stock with a fine-toothed Hecksaw:

Sand the stock:

Drill holes for the screws increasing drill to 9/64″ diameter:

Sand the buttpad to required size and you will have shortened Hogue stock:

You can also get the Grind to Fit buttpad to get a perfect fit.