Armed Eye Doc Posted February 25, 2021 Report Share Posted February 25, 2021 22 minutes ago, mesablu said: Here is the buffer kit I bought and specs Buffer Length: 2.5" Buffer Weight: 3.8 oz. Trash that buffer. It is too light. You need one that is approximately 5.4oz. What is the internal depth of the receiver extension (buffer tube)? Quote Link to comment Share on other sites More sharing options...
mesablu Posted February 25, 2021 Author Report Share Posted February 25, 2021 58 minutes ago, Armed Eye Doc said: Trash that buffer. It is too light. You need one that is approximately 5.4oz. What is the internal depth of the receiver extension (buffer tube)? The internal depth is 7”. Quote Link to comment Share on other sites More sharing options...
Armed Eye Doc Posted February 25, 2021 Report Share Posted February 25, 2021 30 minutes ago, mesablu said: The internal depth is 7”. Then a 2.5 buffer is correct. It just needs to be heavier. What are the specs on the spring, relaxed length and number of coils? Quote Link to comment Share on other sites More sharing options...
mesablu Posted February 25, 2021 Author Report Share Posted February 25, 2021 6 minutes ago, Armed Eye Doc said: Then a 2.5 buffer is correct. It just needs to be heavier. What are the specs on the spring, relaxed length and number of coils? Length is 11.25” relaxed, 24 coils. Quote Link to comment Share on other sites More sharing options...
edgecrusher Posted February 25, 2021 Report Share Posted February 25, 2021 So a KAK heavy .308 buffer or a heavy buffers.com CAR-10 buffer. Your spring is an ar 15 spring. Have to get a springco orange spring Quote Link to comment Share on other sites More sharing options...
98Z5V Posted February 25, 2021 Report Share Posted February 25, 2021 ^^^ Nailed it. Quote Link to comment Share on other sites More sharing options...
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