Overview Reviews Product Description F.A.B. Defense PTK, Rubberized Foregrip, Fits M-LOK, Black FX-PTKMB Product Videos Product Reviews Write a Review Write a Review × F.A.B. Defense FAB DEF RBRZD M-LOK PNTNG FRGRP BLK Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *