Yankee Hill Machine front tri-rail for AR15 rifles. Mounts in front of the FSB and gives you three rails to mount stuff to. $40, retails for $90+
Number 17 in this photo:
Part number YHM-639K
YHM, Yankee Hill Machine Co., Inc. – Makers of High Quality Firearms, Accessories & Sound Suppressors | Rails & Mounts
Number 17 in this photo:
Part number YHM-639K
YHM, Yankee Hill Machine Co., Inc. – Makers of High Quality Firearms, Accessories & Sound Suppressors | Rails & Mounts