10Pcs M4 M5 12/10mm Thread M-LOK Screw Nut Replacement Rails Hex Wrench T-Nut Screw Handguard Picatinny Rail Section Accessories

10Pcs M4 M5 12/10mm Thread M-LOK Screw Nut Replacement Rails Hex Wrench T-Nut Screw Handguard Picatinny Rail Section Accessories

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