My Glenfield Model 25 has a micro-groove barrel,so I imagine others do as well.
50-200
What is the value of a Marlin Micro Groove Barrel MCD 336 Cal 30-30 WIN?"
It should be marked on the barrel if it has the Marlin micro groove rifling.The model 25m was made from 1989-2003.That being said it will if it was a early made rifle.
No
Depending on condition, $300-$450.
Look at gunparts.com or Numrich arms
200.00
Depends on condition- but around $300
200.00
50-200 USD
Only Marlin