Call me Doubting Thomas but NID made in late 20's knocking down 100,000's rounds and still be in shooting form? Ask any serious target man about modern Browning under & over guns made with very best steels , they will go about 40,000 rounds before the locking bolt is worn out. 100,000 rounds is easily done with a modern Perrazi or Kreighoff -but with a NID??? So far no Data to back up aspersions of Fox RIP and claims of superiority of NID.