The US shouldn't produce more Stingers. They're outdated, and our NATO allies have better options available, like the Polish Piorun. If we need domestic production then get a tech transfer.
Mass
Missile – 22 lb (10.1 kg)
System – 35 lb (15.7 kg)
Effective firing range
0.16–8.05 km (.1–5 mi)
Warhead weight 6.6 lb (3 kg)
Maximum speed 745 m/s
Mass
16.5 kg (36 lb) total
10.5 kg (23 lb) missile
Operational range
400 m (1,300 ft)–6.5 km (4.0 mi)
Warhead weight 1.82 kg (4.0 lb)
Maximum speed 660 m/sModern Stingers share a guidance package with the AIM-9X Sidewinder and, unlike the Piorun, have dual mode imagers that work in both IR and UV which makes them impervious to flares.