Went shooting yesterday shot about 500 rounds twice I had an issue with the trigger not resetting and a live round was chambered.... my rifles got about 15,000 rounds on it so I'm sure something is needing replacement

Upper
DD 14.5 (carbine gas)
Pinned Battlecomp 1.5
Spikes NiB bcg
Vltor vis upper

Lower
Sd3g Gisselle trigger
Wilson combat lpk
Carbine spring
Spikes t2 buffer

Ammo was the Patrick group buy
55gr .223 bras case