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Product no.: 631000007
Mfr. No.: 10342
Factory replacement 21/06/2016
This is a Mossberg factory replacement part. I received and inspected it. At the end of the tube where it threads into the receiver the edge was slightly bent (this is a very thin area) and would have interfered with loading and feeding shells. Not wanting ship and wait for a replacement part, I carefully bent it back into place and rounded it out. The finish on the inside looked rough (could have been light rust or left overs from manufacturing) so I took a 0000 steel wool on a 12 gauge bore brush and ran it back and forth until it was smooth and lightly oiled. The outside of the magazine looks great, is a blued metal and solid. Fits perfect on a Maverick 88.
I would recommend inspecting before installation. Also better packaging is needed to protect the thin threads on the tube. Three stars because it works as intended and looks good on the outside, but needed too much done for being factory new.
Didn't work reliably 21/06/2016
Not sure how to rate this factory part.
Difficult to fit in magazine tube and would bind when trying to load shells. Ordered the same factory spring from another vendor. Both looked the same and were the same length. The other one worked as designed.
Maybe I received the wrong spring or there was a defect. I would recommend factory parts but test it to make sure it works as designed.
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