HK MR556 Bolt Carrier Groups are $684 at HKParts

[Boba Debt]

I order mine last week and received it yesterday

It was marked 5.56

HK MR556 A1, A4 Bolt Group - Complete

H&K Heckler & Koch HK MR556 A1, A4 Bolt Group - Complete

hkparts.net

 

[AGG]

Glad to know--- thank you.

Tony