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to provide a fast, secure, and enjoyable experience. by Helliprime, from CA, United States Asked on May 6, 2022
The AT3 Tactical SPEAR M-Lok AR-15 Free Float Handguard could be used with a heavy barrel. The internal diameter of the AT3 Tactical SPEAR M-Lok AR-15 Free Float Handguard is 1.02". You would just have to ensure that once the gas block is installed that it does not sit higher than 1.02".