While cleaning my 870 express i noticed some small groves in the upper inside of the receiver perpendicular to the direction the bolt travels to lockup. Is this normal wear? She's about seven w/few thousand rounds through her. Thanks
If I were to guess, I would say that this is another Express vs. handfinished-the-old-fashioned-way issue. Express models are self-finishing but of course they only wear where they rub.
I will take a look at my Express's this evening and let you know what they look like inside.
Dave, do you own any Express models? Just wondering.
Same marks on my Express. Began showing up around 800 rounds or so. I have several friends who own 870s (all Express models), and I've seen this type of wear inside thier recievers, as well.
My Express' have the same lines plus a dent where the locking block hits. They all work just fine and the wear does not look like it's getting bad or anything.
Mike
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