WHAT DOES FN510 ACCESSORIES MEAN?

The only pistol that I had to work to fit it had been Sig P226. It's got a instead massive frame, and however there was some amount of clearance in between the slide and the highest with the mount, it absolutely was just a portion of the millimeter and I did not feel cozy leaving it such as this.This is actually a clone of NcStar mount, accomplishe