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Mossberg 940 Pro Turkey 20ga

Mossberg · Shotgun · Semi-Auto · 18.5″ Barrel · Optics-Ready

Caliber: 20 Gauge

Effective Range: Close quarters (~0–50 yd)

Compatible Optics

47 compatible optics in our catalog.

Showing 47 of 47

Red dots & reflex sights

1x, no magnification — fast target acquisition up close.

  • Athlon Midas Burst Pistol Red DotNeeds Mount

    3 MOA dot · Enclosed

    Requires: Shotgun optic plate

    ≈ $230
    MSRP
  • Athlon Midas EDC Pistol Red DotNeeds Mount

    3 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $200
    MSRP
  • Athlon Midas Flash Pistol Red DotNeeds Mount

    3 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $250
    MSRP
  • Burris FastFire CNeeds Mount

    6 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $259
    MSRP
  • Bushnell RXM-300 Reflex SightNeeds Mount

    4 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $200
    MSRP
  • Bushnell RXS-100 Reflex SightNeeds Mount

    4 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $150
    MSRP
  • Bushnell RXS-250 Reflex SightNeeds Mount

    4 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $200
    MSRP
  • Crimson Trace CT RAD MicroNeeds Mount

    3 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $220
    MSRP
  • Crimson Trace CT RAD Micro ProNeeds Mount

    3 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $275
    MSRP
  • Crimson Trace CTS-1550Needs Mount

    3 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $180
    MSRP
  • EOTech EFLX Mini ReflexNeeds Mount

    6 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $389
    MSRP
  • Holosun 407C X2Needs Mount

    Open

    Requires: Shotgun optic plate

    No offers yet
  • Holosun 407K X2Needs Mount

    Open

    Requires: Shotgun optic plate

    No offers yet
  • Holosun 507C X2Needs Mount

    Open

    Requires: Shotgun optic plate

    Buy · $290
    OpticsPlanet
  • Holosun 507COMPNeeds Mount

    Open

    Requires: Shotgun optic plate

    No offers yet
  • Holosun 507K X2Needs Mount

    Open

    Requires: Shotgun optic plate

    Buy · $318
    OpticsPlanet
  • Holosun 508T X2Needs Mount

    Open

    Requires: Shotgun optic plate

    No offers yet
  • Holosun EPS CarryNeeds Mount

    Enclosed

    Requires: Shotgun optic plate

    No offers yet
  • Holosun HE509T-RD X2Needs Mount

    2 MOA dot · Enclosed

    Requires: Shotgun optic plate

    ≈ $530
    MSRP
  • Leupold DeltaPoint ProNeeds Mount

    Open

    Requires: Shotgun optic plate

    No offers yet
  • Meprolight MPO PRO-F (Enclosed Emitter, RMR Footprint)Needs Mount

    3 MOA dot · Enclosed

    Requires: Shotgun optic plate

    ≈ $400
    MSRP
  • Meprolight MPO PRO-S (Enclosed Emitter, RMSc Footprint)Needs Mount

    3 MOA dot · Enclosed

    Requires: Shotgun optic plate

    ≈ $400
    MSRP
  • Meprolight MPO-F (Open Emitter, RMR Footprint)Needs Mount

    3 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $320
    MSRP
  • Meprolight MPO-S (Open Emitter, RMSc Footprint)Needs Mount

    3 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $320
    MSRP
  • Riton 3 Tactix MPRD (3 Tactix MPRD 3)Needs Mount

    3 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $350
    MSRP
  • Riton 3 Tactix PRD (3 Tactix PRD 3)Needs Mount

    2 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $350
    MSRP
  • Shield Sights RMScNeeds Mount

    Open

    Requires: Shotgun optic plate

    No offers yet
  • SIG Romeo ZeroNeeds Mount

    Open

    Requires: Shotgun optic plate

    No offers yet
  • SIG Romeo1ProNeeds Mount

    Open

    Requires: Shotgun optic plate

    No offers yet
  • SIG Sauer Romeo-X CompactNeeds Mount

    2 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $430
    MSRP
  • SIG Sauer Romeo-X Enclosed CompactNeeds Mount

    3 MOA dot · Enclosed

    Requires: Shotgun optic plate

    ≈ $600
    MSRP
  • SIG Sauer Romeo-X ProNeeds Mount

    2 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $480
    MSRP
  • SIG Sauer Romeo2Needs Mount

    2 MOA dot · Enclosed

    Requires: Shotgun optic plate

    ≈ $800
    MSRP
  • SIG Sauer RomeoZero EliteNeeds Mount

    2 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $230
    MSRP
  • Swampfox Justice IINeeds Mount

    6 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $300
    MSRP
  • Swampfox KingslayerNeeds Mount

    3 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $230
    MSRP
  • Swampfox KrakenNeeds Mount

    3 MOA dot · Enclosed

    Requires: Shotgun optic plate

    ≈ $350
    MSRP
  • Swampfox LiberatorNeeds Mount

    3 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $200
    MSRP
  • Swampfox Liberty IINeeds Mount

    3 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $280
    MSRP
  • Swampfox Sentinel IINeeds Mount

    3 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $250
    MSRP
  • Trijicon RCRNeeds Mount

    3.25 MOA dot · Enclosed

    Requires: Shotgun optic plate

    ≈ $699
    MSRP
  • Trijicon RMR HDNeeds Mount

    3.25 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $1,019
    MSRP
  • Trijicon RMR Type 2Needs Mount

    Open

    Requires: Shotgun optic plate

    Buy · $599
    OpticsPlanet
  • Trijicon SRONeeds Mount

    Open

    Requires: Shotgun optic plate

    No offers yet
  • Vortex Defender-CCWNeeds Mount

    6 MOA dot · Open

    Requires: Shotgun optic plate

    ≈ $250
    MSRP
  • Vortex Defender-STNeeds Mount

    Open

    Requires: Shotgun optic plate

    No offers yet
  • Vortex Venom EnclosedNeeds Mount

    6 MOA dot · Enclosed

    Requires: Shotgun optic plate

    ≈ $350
    MSRP

Suitability is general guidance based on the platform's typical effective range — not a hard rule. Your load, optic, and intended use may shift it.