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Posted: 6/3/2007 6:10:58 PM EDT
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This weekend while attending a shooting event I had a failure of my mag catch. I was shooting suddenly my mag was on the ground. Fortunately there was a master armorer present and got me back up and running. The part that failed was the mag catch itself. The pin portion that is pressed into the catch pulled out and was launched by the spring. The weapon had about 500 rounds through it and has never had a hiccup. I am not going to say who built the lower or who manufactured the parts because I don't feel it is important. Suffice it to say the parts were from a ABCD manufacturer and the lower was built by a professional builder. Anyone ever have this happen? Thanks R/ Mike VA Beach |
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I did not want to start a bunch of grief over parts and brands, but yes, you are correct. The supplier used a DPMS lower parts kit. The trigger was terrible at first , but after 200 rounds it has smoothed out nicely. I am ordering another spare parts kit today, probably Bushmaster, and will include a mag catch assembly. What parts have you had fail? You said you have had three failures. Thanks Mike 
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Consider this. |
Originally from Bmyk
And that little mistake is why you had a failure.....  It's all about the the parts and who built them... Does everyone make mistakes???? absoulutely.... the key is to find the maker with the lowest percentage of mistakes on a consistent basis.....or else your just rolling the dice..... (and in this case.... you "crapped" out...... 
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Over the course of one year, I bought three DPMS LPK's from Brownells that came in the factory DPMS commercial blister packs. Each kit had one part that was out of spec and unusable. 1. Bolt catch roll pin hole to big causing the bolt catch detent ball and spring to stick way out. 2. Front pivot push pin two big. Tried it on 4 different brand receivers. Replacement worked fine. 3. Selector incorrectly milled for detent pin. Fire postion when installed was almost a 45 degree angle. FWIW, I have 3 factory built DPMS rifles with no quality issues and they run top notch. The big problem I see is that when they build the rifles, they can see what parts are out of spec. When they assemble the LPK's, they are just pulling out of pile with no QC check. Update: I just remember that about 4 years ago, I had bought another DPMS LPK that had the J-Hook in the hammer missing. Some are probably wondering why I keep messing with DPMS. The answer is that I have a good dealer friend that does the gunshow circuit selling DPMS rifles and small parts. He always hooks me up with swap outs and does the returns to DPMS for me with his other returns. My dealer friends observation were about the same as mine with the rifles being good but the small parts had a higher return that he did not like. Hootbro |
But whomever you go with, having a spare LPK, including things like a magazine catch and bolt stop, is a Good Idea®, especially if you're in a competition. |
| That pin from the catch is threaded in not pressed in.If it was pressed in and let go then thats not the way the parts should be.The catch pin is threaded and screws into the button.Did the pin crack or did it pull out from the threads?or are there any threads at all?if it flew out under the pressure the threads were wrong or it broke on the stem part of the catch. |
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