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What are dimensions (diameter and length)? Can I put a standard buffer weight into the Super 42 buffer? I know buffer is different, but weights too? — 3 Answers

by Henry, from NH, United States Asked on June 23, 2022

Name Geissele Super 42, Tungsten Buffer Weight (4.9)
$58.00 $32.01 Save 45%
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Answered by D, member, from OH, United States, on June 19, 2024

I have just verified today that the ONLY difference between Geissele super 42 weights and mil-spec weights is that Geissele bevels the sharp edges resulting in .20 grams loss of weight. Standard weights fit inside the buffer just fine. I’m running one tungsten that came with it. Ordered this weight. And also put in one standard usgi tungsten weight from del ton. Other than the beveled edges the weights inside the super 42 buffer are within dimension spec of usgi buffer weights.

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Answered by D, member, from OH, United States, on August 05, 2025

Your Answer:
I have just verified today that the ONLY difference between Geissele super 42 weights and mil-spec weights is that Geissele bevels the sharp edges resulting in .20 grams loss of weight. Standard weights fit inside the buffer just fine. I’m running one tungsten that came with it. Ordered this weight. And also put in one standard usgi tungsten weight from del ton. Other than the beveled edges the weights inside the super 42 buffer are within dimension spec of usgi buffer weights.

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Answered by Todd b, member, from TN, United States, on September 13, 2022

I’m going to say no, as the Geissele buffer weight shell is smaller in diameter than a stock weight to fit inside the their super 42 buffer spring.

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Last updated 2026-09-20 UTC.