1750's British musket sling is made of 7-8 oz. leather. Approximately 36 inches long, 1-3/16" wide, a solid brass buckle and is non-adjustable. This is the most authentic available. May be oiled for dark finish. Researched by the Fort Pitt 60th Royal American unit. All of our slings fit all muskets. Your portrayal will dictate your choice of sling.