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1 model listing
- FN Five-seveNManufacturer documentedMK2 ONLY per Dorin FAQ — not Original/Tactical/IOM/USG, not MRD/MK3. Replaces slide cover; rear sight stays; no permanent modification. Optic plate options (RMR/SRO, FastFire, 507C, Venom/Viper, Docter, DPP, RMS/RMSc, 507k) are optic-side, not gun fitments. Does not co-witness.
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