Sig Sauer MCX Firing Pin Latch for use with Geissele Triggers.
Internal Reference:
KIT-MCX-FPL-GEI
Barcode:
798681596126
| Brand: Sig Sauer |
| Model: MCX |
| Part Type: Firing Pin Latch |
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Sig Sauer MCX Firing Pin Latch (Geissele Triggers)
June 16, 2026
By Anonymous
A most necessary part for those using the Rattler PDW Conversion Kit when mated to a M4A1 Lower Receiver with a Geissele Trigger installed.