MRbrew MMP-517, 18/10 Steel, Ball Lock Keg Posts(Post & Poppet)

*Update* I originally gave these a 1 star review for the reasons below. The seller quickly reached out and even though I had already returned these to Amazon for a prompt refund, he sent me a complementary new set. They were sent out very quickly through Amazon. He did not ask me to change my review, but I did. Original problems aside, the replacement set works well. They thread onto the keg smoothly and seal. The gas-in post now fits snugly with my gray quick connect and does not leak when I move it. -------------- These looked nice, but that's about it. The gas out was tough to seal to the keg. I had to use a brand new tube oring (as I should), but before changing the oring, I tried another spare post with the old oring and that sealed fine. This did seal with the new oring, but it was worrisome that it leaked so badly with a good condition used oring. I moved on to test the gas in. That leaked big time on the seal with the quick connect. I changed the post oring. The leak got better, but still leaked with any movement. I did notice that the supplied orings are soft material, my spares are standard hardness. But I think the real problem is the depth of the oring groove. I didn't write down the measurements, but the groove is slightly deeper in these than my other gas posts preventing the oring from sealing tightly. This was also apparent in how easy the gas quick connect was to spin. Lots of up and down play and pretty much zero resistance to rotate the quick connect. It felt like there was no oring in there, not a tight fit at all. The flow through these posts was also very low. The gas was barely hissing through. Not recommended, too much time wasted testing them.

I bought these keg posts to replace the ones on my Cornelius kegs. The old posts were starting to leak, so I thought I would give these a try. The posts arrived quickly and were well-packaged. They looked like a good quality post, so I installed them right away. I was very happy to find that the posts fit perfectly and did not leak. I have been using them for a few months now and they have been working great. I am very happy with these keg posts. They are a great value for the price and I would definitely recommend them to anyone looking for a replacement keg post. Here are some of the pros and cons of the MRbrew Cornelius Type Ball Lock Keg Posts: Pros: Affordable Easy to install Durable No leaks Cons: None

If you work with ball-lock kegs, these are nice to keep around as extra replacement valves.

Much easier to maintain since they don't require a special wrench to get off like factory ones do. Mine did not have any manufacturing defects as some mentioned. OEM poppets worked in these, as well as the after market ones. It's worth noting that these were *slightly* snugger when pushing on the connectors to the lines, especially with aftermarket poppets, which are firmer springs. This doesn't really make much difference and isn't a big deal, but worth noting at least.

I bought this set of posts and poppets to replace a dying set from a used corny keg. The install was a breeze. However, it was strange that their were lots of metal shavings in the bag with the product. I assume that they were excess from threading the posts, but they were sharp and posed a nuisance when removing the product from the bag. None of this had an effect on the product. Don't forget the keg lube as you install, but so far the posts are holding pressure great and now I have a usable keg again! Will buy again if needed.