WHAT DOES FN510 ACCESSORIES MEAN?

The one pistol which i had to work to fit it had been Sig P226. It has a somewhat significant frame, and while there was some volume of clearance concerning the slide and the top on the mount, it was just a portion of a millimeter and I did not feel comfy leaving it similar to this.The BlackPoint Outback™ Upper body Technique's sleek design and l