Sluggish Marauder Mag Fix: Try #1 – Loosen the Center Screw

Please note that there are three posts in this series.  The method in the third post would fix just about any magazine while the other two helped some of the magazines:

  1. Sluggish Marauder Mag Fix:  Try #1 – Loosen the Center Screw
  2. Sluggish Marauder Mag Fix:  Try #2 – Dry Film Lubricants – Not a Good Fix – But Avoid 3-In-1 Dry Lube Because It Isn’t Dry!
  3. Sluggish Marauder Mag Fix:  Try #3 – Change the Internal Spring Position – This is the best fix!

Now on to the post:


I just bought eight brand new .22 Marauder magazines for my BNM breach and about half of them were sluggish. In other words they didn’t really want to come back around and feed the pellets the way they should. In closer investigation, some had been over tightened during assembly. I simply backed the cover screw off with a 1/16 inch Allen key and that easy change did help a couple of the mags but not all. I would turn a little bit and test, turn little bit and test, etc.. I bet I backed off less than 1/4-1/2 a turn for the magazines that had problems.  It didn’t fix all of them.  Two were still sluggish.  This is quick, easy and worth trying if you have a problem:

Note, the allen screws uses a 1/16″ key:

The other recommendation I would make is to use a silver Sharpie pen and label your magazines so you can keep track of how they perform. I’m also experimenting with spring position some and will write that up in another post. I have started putting a silver dot on the factory spring  hole.  So far all eight were in the exact same hole.

Frankly, I think they went with a cheap design.  I still have two things I want to try – using a dry lube and changing the internal spring position.  These will be in my next two blog posts.


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