NCStar Ar15 Flip Up Front Sight/Low Profile

NCSTAR FRONT FLIP-UP SIGHT for RECEIVER HEIGHTa For handguard rails. monolithic receivers & gas blocks that are the same level as the AR-15 receiver (flat top) rails a Adjustable for elevation a Length: 1.8"(extended) 1.0"(folded) a Wt.: 2.1 oz.