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Is this mag only compatible with the Surefire ICAR rifle with the LWRCI Six8 mag well or is it compatible with milspec AR15 lowers? — 2 Answers

by Mike, from IN, United States Asked on October 31, 2025

Name Magpul Industries PMAG 25 6mm ARC 25 Rounds Polymer Rifle Magazine
$39.95 $37.25 Save $2.70
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Answered by Black Anvil Dynamics, member, from NC, United States, on November 19, 2025

ONLY fits LWRCI Six8-pattern lower receivers to include the Surefire ICAR*
*NOTE: DOES NOT fit STANAG 4179 platforms like the AR15, M4, M16, SCAR MK16/16S, HK416, MR556, M27 IAR, IWI Tavor, and others. For an optimal round stack of the larger 6mm ARC cartridge, this magazine is designed wider and longer than typical USGI-pattern magazines, and requires the corresponding larger mag well pattern of the LWRCI Six8.

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Answered by Captain Jack, member, from TX, United States, on September 08, 2026

Also fits the Palmetto State Armory Saber-IC receiver sets that were designed around this mag.

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Last updated 2026-09-09 UTC.