find yourself a stainless steel gas piston and cup set....gas tool and stock tool.... ( Corwin Arms had them last i saw or Lever Arms ) ..... Everything else on the rifle is built to last a War so i wouldn't worry too much.....the handguard wood feels a little flimsy if one were to put a bayonet on and try poking something....other than that i can't see anyhting else breaking on this beast ...just take care of her, she's been through hell n back![]()