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View Full Version : 870 Express magazine Spring and Retainer


Homerboy
April 15, 2009, 02:58 PM
I have the 870 Express with the +2 extension factory installed. Last week, it flew off when I was shooting. Tightened it again and fired 15 rounds today. Held together, but while reassembling it after cleaning, the extension will NOT stay on. I have it pefectly lined up, and the barrel clamp is rock solid. When I screw the nut to the tube, it continues to turn until it is off the extension and onto the tube. Give it a tug, and it comes right off. I spent way too much time trying to get it right, so I am chucking the whole thing. I just ordered a new mag spring and mag cap with sling stud. Then i see a mag spring retainer. Didn't need one on the extension, so I look it up in the manual. I see the standard mag cap needs one. The one I got from Midway says it fits the "newer 870 Express". Is there a newer version of the Express? Mine is 3 years old. Do I just pop the retainer into the mag cap, pop in the spring, and screw it in?