V Seven Ultra-Light Forward Assist Vertical Lines UL-FOR A-VERT. The V Seven Ultra-Light Forward Assist w/ Diagonal Harness Pin is small and light enough to add to a picatinny rail but strong enough to give you an assist when you need it. This ultra-light V Seven Forward Assist is the newest addition to our line of standard issue military grade accessories. The V Seven Ultra Light Forward Assist works with AR-15s and any other gun that has a standard AR-15 barrel. Specifications for V Seven Ultra-Light Forward Assist: Manufacturer: V Seven Condition: New Features: Constructed From 7075 T6 AluminumItem Ships With Spring & Pin Included Accessories: Spring & Pin Package Contents: V Seven Ultra-Light Forward Assist V Seven UL-FOR A-VERT: Ultra-Light Forward Assist Vertical Lines