Has 7th round modification.
https://cmpauction.thecmp.org/detail...-Receiver-6063
More pictures.
https://photos.google.com/share/AF1Q...RLa1l1bEs4bHlR
https://cmpauction.thecmp.org/detail...-Receiver-6063
More pictures.
https://photos.google.com/share/AF1Q...RLa1l1bEs4bHlR