I have 2 brand new German Factory HK spare sets of HK416A5/HK417A2 Black polymer fire selectors for sale. These are left and right (L and R are different). Only 2 sets are available and they will work on MR556/MR762 rifles, as well as all HK416 and HK417 models with the ambidextrous selector axle. Takes 2 minutes to install with existing roll pins that are already holding your older style metal selectors on.
E-mail me at HKPartsGuy@yahoo.com if interested.
$85 shipped for each set - PayPal (discreet friends/family option) or USPS Money Orders accepted.
Thanks for looking!