Makes sense. For every 100 people that complain about a product, only one will go out of his way to tell others of a positive experience
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How many of these are in use?
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Took the extractor off, the bolt only comes with an extractor spring and rubber o-ring. No black insert.
Mine has worked flawlessly for around 7,000 rounds. Still looks brand new. Only thing is every now and then it won't lock back on the last round - but that's only with cheap Wolf or Tula steel cased stuff. Doesn't stain like nickel boron does. Cleans off with a paper towel.
I am still on my first one. Somewhere around 2500ish rounds from a 10.5 barrel. Mostly steel junk but some 5.56 brass ammo too. I now have a second one I am looking at putting in another 10.5 upper.
Bolts on sale for Father's Day.
http://store.srcarms.com/product-p/xpb.htm
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Im still having lock back issues with almost 400 rnds through the bolt, with both aluminium and pmags. Will give it another range outing with a lighter buffer. After that I might just go back to my BCM bolt.