The JL Billet Charging Handle is not compatible with the Sig 716. I would recommend the Phase 5 Weapon Systems Inc Ambi-Battle Latch/Charging Handle Assembly, or the SIG SAUER Charging Handle Assembly. Both options are compatible with the Sig 716 and can be found by using the links below:
https://www.opticsplanet.com/sig-sauer-charging-handle-assemblies.html
https://www.opticsplanet.com/phase-5-weapon-systems-inc-ambi-battle-latch-charging-handle-assembly-308-cal-fo.html