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which would I use on a 7.5in barrel ar15 223/556? — 2 Answers

by Jeff, from GA, United States Asked on August 19, 2020

Name Maxim Defense Industries CQB Buffer & Spring Set (4.9)
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Answered by Ben, Gear Expert, from UT, United States, on March 05, 2021

I would recommend the H3.

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Answered by chas, member, from MO, United States, on April 11, 2022

According to Maxim's website and recommendation chart. You should actually go with an H2 for a 7.5 inch barrel chambered in 5.56 if you're using the CBQ,PDW, or CCS brace/buffer. You should go with an H3 if using their SCW brace/buffer only.

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