Caylen began his professional journey as a rifleman in the US Marine Corps, where he served as a Scout/Sniper and instructor. He trained Marines, soldiers, and Navy operatives in marksmanship and urban combat tactics.
After sustaining severe injuries in 2004, Caylen passed his experience to new snipers before leaving active duty. Since then, he has taught precision rifle skills to military, law enforcement, and civilians. Caylen helped develop Magpul's Precision Rifle program, training hundreds of snipers. Now residing in the Pacific Northwest, he enjoys backcountry hunting, competing, and adventuring with his family.