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What red dots fit the Rost Martin RM1S?

48 of the 75 optics tracked here mount to this slide. This slide uses Plate system — fitment not published.

Mount systemPlate system — fitment not published
Optics that fit48 of 75
No plate needed0
Plate to slideper plate instructions
Verify this onePublished fitment information for this slide is thin or contested, so it carries a verify flag. These slides take plates, but no maker or vendor publishes a footprint-by-footprint fitment chart for them that could be verified. The footprints below are the ones commonly offered for slides of this class — treat them as a starting point for a question to the plate maker, not as a confirmed fitment. This entry is deliberately labelled rather than guessed at. Confirm with the plate maker before ordering.
On this modelSubcompact sibling of the RM1C. Rost Martin publishes a plate set for the RM1C; whether the RM1S shares that cut is not stated, so it is not assumed here.

Cheapest ways to mount it

Cheapest overall$85–210Cyelee Cat / Wolfplate: Ask the maker → RMR familyBuild sheet →
Cheapest enclosed emitter$325–510Holosun EPS-COREplate: Ask the maker → RMSc familyBuild sheet →

Every optic, and how it mounts

ItemFootprintHow it mountsCost to mount
Plate — 48
ADE Delta ProTrijicon RMRplate: Ask the maker → RMR family$85–210
Ameriglo HavenTrijicon RMRplate: Ask the maker → RMR family$175–360
Burris FastFire 3Docter / Noblexplate: Ask the maker → Docter family$175–360
Burris FastFire 4Docter / Noblexplate: Ask the maker → Docter family$175–360
Bushnell RXS-100Leupold DeltaPoint Proplate: Ask the maker → DeltaPoint Pro family$175–360
C&H Precision CompTrijicon RMRplate: Ask the maker → RMR family$325–510
Crimson Trace CTS-1550Shield RMScplate: Ask the maker → RMSc family$175–360
Cyelee Cat / WolfTrijicon RMRplate: Ask the maker → RMR family$85–210
EOTECH EFLX MiniLeupold DeltaPoint Proplate: Ask the maker → DeltaPoint Pro family$325–510
Holosun 407C X2Trijicon RMRplate: Ask the maker → RMR family$175–360
Holosun 407COMPTrijicon RMRplate: Ask the maker → RMR family$325–510
Holosun 507-PromaxTrijicon RMRplate: Ask the maker → RMR family$325–510
Holosun 507C X2Trijicon RMRplate: Ask the maker → RMR family$325–510
Holosun 507C X3 / 407C X3Trijicon RMRplate: Ask the maker → RMR family$325–510
Holosun 507COMPTrijicon RMRplate: Ask the maker → RMR family$325–510
Holosun 508T X2Trijicon RMRplate: Ask the maker → RMR family$325–510
Holosun EPS-CORE EnclosedShield RMScplate: Ask the maker → RMSc family$325–510
JP Enterprises JPointShield RMScplate: Ask the maker → RMSc family$175–360
Leapers UTG OP3 MicroDocter / Noblexplate: Ask the maker → Docter family$85–210
Leupold DeltaPoint ProLeupold DeltaPoint Proplate: Ask the maker → DeltaPoint Pro family$325–510
Meopta MeoSight IVDocter / Noblexplate: Ask the maker → Docter family$175–360
Meprolight MPO-DFTrijicon RMRplate: Ask the maker → RMR family$325–510
Noblex Sight III / Docter Sight CDocter / Noblexplate: Ask the maker → Docter family$325–510
Olight Osight SShield RMScplate: Ask the maker → RMSc family$85–210
Primary Arms Classic 21 mm MicroShield RMScplate: Ask the maker → RMSc family$85–210
Riton 3 TACTIX MPRD 2Shield RMScplate: Ask the maker → RMSc family$175–360
Riton 3 TACTIX PRDTrijicon RMRplate: Ask the maker → RMR family$175–360
Shield Sights RMS2Shield RMScplate: Ask the maker → RMSc family$175–360
Shield Sights RMScShield RMScplate: Ask the maker → RMSc family$175–360
SIG Sauer ROMEO-X CompactShield RMScplate: Ask the maker → RMSc family$175–360
SIG Sauer ROMEO-X ProLeupold DeltaPoint Proplate: Ask the maker → DeltaPoint Pro family$325–510
SIG Sauer ROMEO2 EnclosedSIG Romeo2plates included with the optic$450–650
SIG Sauer ROMEOZeroShield RMScplate: Ask the maker → RMSc family$85–210
SIG Sauer ROMEOZero EliteShield RMScplate: Ask the maker → RMSc family$175–360
Sightmark Mini Shot A-SpecDocter / Noblexplate: Ask the maker → Docter family$85–210
Swampfox Justice IITrijicon RMRplate: Ask the maker → RMR family$175–360
Swampfox Liberty IITrijicon RMRplate: Ask the maker → RMR family$175–360
Swampfox Sentinel IIShield RMScplate: Ask the maker → RMSc family$85–210
Trijicon RMR HDTrijicon RMRplate: Ask the maker → RMR family$675–960
Trijicon RMR Type 2Trijicon RMRplate: Ask the maker → RMR family$475–710
Trijicon SROTrijicon RMRplate: Ask the maker → RMR family$475–710
Viridian RFX35Shield RMScplate: Ask the maker → RMSc family$85–210
Vortex Defender-CCWShield RMScplate: Ask the maker → RMSc family$175–360
Vortex Defender-SLLeupold DeltaPoint Proplate: Ask the maker → DeltaPoint Pro family$175–360
Vortex Defender-STLeupold DeltaPoint Proplate: Ask the maker → DeltaPoint Pro family$325–510
Vortex Defender-XLLeupold DeltaPoint Proplate: Ask the maker → DeltaPoint Pro family$325–510
Vortex VenomDocter / Noblexplate: Ask the maker → Docter family$175–360
Vortex ViperDocter / Noblexplate: Ask the maker → Docter family$175–360
No fit — 27
ADE NUWAcc ProTrijicon RMRccno known route$60–150
Aimpoint ACRO C-2 EnclosedAimpoint ACROno known route$450–650
Aimpoint ACRO P-1 EnclosedAimpoint ACROno known route$450–650
Aimpoint ACRO P-2 EnclosedAimpoint ACROno known route$650–900
Aimpoint COA EnclosedAimpoint COA / A-Cutno known route$650–900
Aimpoint Micro T-2 EnclosedAimpoint Microno known route$650–900
C-More RTS2C-More RTS2 / STS2no known route$300–450
C-More STS2C-More RTS2 / STS2no known route$300–450
Holosun 407K X2Holosun Kno known route$150–300
Holosun 507K X2Holosun Kno known route$300–450
Holosun 507K X3 / 407K X3Holosun Kno known route$300–450
Holosun 509T EnclosedHolosun 509Tno known route$450–650
Holosun EPS EnclosedHolosun Kno known route$300–450
Holosun EPS Carry EnclosedHolosun Kno known route$300–450
Holosun SCS 320 EnclosedHolosun SCS (320)no known route$300–450
Holosun SCS Carry EnclosedHolosun Kno known route$300–450
Holosun SCS MOS EnclosedHolosun SCS (MOS)no known route$300–450
Lucid Optics E7 EnclosedAimpoint ACROno known route$150–300
Olight Osight KHolosun Kno known route$60–150
SIG Sauer ROMEO-X EnclosedSIG-LOCno known route$300–450
SIG Sauer ROMEO-X SIG-LOC Compact EnclosedSIG-LOCno known route$450–650
SIG Sauer ROMEO-X SIG-LOC Pro EnclosedSIG-LOC PROno known route$450–650
SIG Sauer ROMEO1PROSIG Romeo1Prono known route$300–450
Steiner MPS EnclosedAimpoint ACROno known route$450–650
Trijicon RCR EnclosedTrijicon RCRno known route$650–900
Trijicon RMRccTrijicon RMRccno known route$450–650
Viridian RFX45 EnclosedAimpoint ACROno known route$150–300

Adapter plates for this slide

PlateGives youSourcePrice
Ask the maker → RMR familyTrijicon RMRUnconfirmed$25–60
Ask the maker → RMSc familyShield RMScUnconfirmed$25–60
Ask the maker → DeltaPoint Pro familyLeupold DeltaPoint ProUnconfirmed ↗$25–60
Ask the maker → Docter familyDocter / NoblexUnconfirmed ↗$25–60

Check a specific pairing

The interactive fit checker opens with this pistol already selected and gives you a single verdict for any optic, plus a build sheet with the plate SKU, screw threads, torque figures and install order. Every "how it mounts" cell above is a link to that pairing's verdict, and the address bar there is a link you can send to someone.

Something on this page wrong? Say what it should be. Corrections from someone who owns the pistol are why this is worth more than a spec sheet — and nothing here changes without a source, so bring one.