550-rated paracord should support up to 550 pounds of static weight, but should not be used for climbing or hoisting people or animals.

TLO Outdoors Paracord Gun Sling – Extra Wide, Adjustable 2-Point Paracord Sling with Swivels for Rifle, Shotgun, and Crossbows for Hunting & Shooting (550 Rated Nylon, Kernmantle)