After over a decade of teaching armorer courses across the country to thousands of students, Daniel Defense has partnered with several of the best tool companies in the business to bring you this all-inclusive tool kit. It contains everything an armorer needs, including a handy chart with all the associated torque values, to keep a Daniel Defense DDM4 rifle maintained and running optimally. It's a must-have for any gunsmith, armorer, or do-it-yourself shooting enthusiast committed to doing their own gunsmithing and maintenance.