Option #1. Google AR15 two part handgaurd and you're on your way. Lot's of different models to choose from and you leave the A2 sight in place.

Option #2 cut off the top of the A2 sight leaving the gas block portion in place, slide on a one piece tube, add flip up front sight.

modifying front sight

[Linked Image from i.postimg.cc]




Last edited by NVhntr; 10/07/19.
Let's Go Brandon! FJB