The Catalyst Arms Fast Track was highlighted in a recent article in Shooting Times! Editor Jay Grazio is building a .224 Valkyrie for long range shooting and hunting. For maximum stability and versatility, he chose the Fast Track with it’s full arca rail, M-LOK slots. You can read the full article here: https://www.shootingillustrated.com/articles/2019/12/8/building-a-224-valkyrie-ar-15/