mk1 muzzle break value

[RD18]

Looking to get a value on a MK1 muzzle break NIB thanks for the help Russ

 

[contender]

Well, it depends. There are a few variations. The most common one will fetch around the $125 mark to $150 in the box. I have seen one of the rarer ones go for $275.
The rarer ones are the ones with the reverse rollmark, or the ones with "inc" in the address line.