Everybody has their favorite parts they like to use. So do we. Below are some of our favorites but this by no means a complete list. Keep in mind, this will be YOUR rifle, we will build what YOU want. ACOG charging handle pistol grip muzzle break rifle stock pistol brace bolt carrier group mlok handguard Quality Parts From Quality Manufacterers Colt Strike Industires Daniel Defense AT# Tactical Timber Creek Midwest Industries Faxon Mission First Tactical Vortex Kak Rse Armament Bravo Company CMC Geisele Automatics Noveske Wilson Combat Seekins Hogue Ballistic Advantage Magpul Spikes Tactical Aero Precision SB Tactical Radian