The Regiment was authorized on March 6, 1776 in the Pennsylvania State Troops as the Pennsylvania State Musketry Battalion. Organized between March 13- May 29, 1776 at Chester to consist of 8 companies from Philadelphia City and Bucks, Philadelphia, Chester and Lancaster Counties. It was assigned on August 12, 1776 to Stirling's Brigade, an element of the Main Continental Army. Relieved on August 31, 1776 from Stirling's Brigade and assigned to Mifflin's Brigade, an element of the Main Continental Army. Consolidated on April 30, 1777 with the Pennsylvania State Rifle Regiment.