JW Winco Sight Glass: Aluminum, Type G, 1 1/4 in Thread Size, FPM, Reflector, 356°F Max Op Temp Model: 743.1-32-G11/4-A

Eotech HHS-II Holographic Reflex Red Dot Sight, 1 MOA Dot Reticle, Black, HHS II

Lasermax Enclosed Reflex Red Dot Sight, 3 MOA Red Dot Reticle, Matte Black, LMERDS

Primary Arms Slx MD-21 Micro Reflex Red Dot Sight, 1X, 2 MOA Red Dot Reticle, Black, 810027

ADE Advanced Optics RD3-012 Mini Reflex Red Dot Micro Sight, 6 MOA Reticle, Black, RD3-012

Vortex Defender-XL 1X Micro Reflex Red Dot Sight, 8 MOA Defender Dot Reticle, Black DFXL-MRD8

Swampfox Justice II 1x30mm Reflex Sight, 6 MOA Red Dot, Black, JTC2130-6R

Rival Arms Rival Arms X2 Reflex Red Dot Sight, 2 MOA Red Dot Reticle, 22Mm, RA-RA8122BN

Lasermax Rifle Reflex Red Dot Sight, 3 MOA Red Dot, Matte Black, LMRRDS

Shield Sights Reflex Mini Red Dot Sight 2.0, 4 MOA Dot Reticle, RMS2-4MOA Glass Lens, Black, RMS2-4MOA-GLASS

Holosun HE407K-GR X2 Red Dot Reflex Sight 1X, Green 6 MOA Dot Reticle, Anodized, Black, HE407K-GR X2

ADE Advanced Optics RD3-012 Delta Mini Reflex Red Dot Micro Sight, Dot Reticle, FDE, RD3-012S

AT3 Tactical 1x23mm Micro Red Dot Reflex Sight, 2 MOA Red Dot, 1' Height Riser, Flat Dark Earth, 1 Riser, RD-50-10-FDE

AT3 Tactical RD-50 Micro Red Dot Reflex Sight, .83in Riser, RD-50-83

Lasermax Micro Reflex Red Dot Sight, 4 MOA Red Dot, Matte Black, LMMRDS

Lasermax Compact Reflex Red Dot Sight 3 MOA Red Dot, Matte Black, LMCRDS

AT3 Tactical ARO-MINI Micro Red Dot Reflex Sight, 1X23mm, 3 MOA Dot Reticle, Matte Black, AT3-ARO-MINI

SIG SAUER Romeo-X Compact 1X Reflex Red Dot Sight, 6 MOA Dot Reticle, Black, SORX1260

Ldi Industries 1-3/8" Sight Diam, 1-1/2" Thread, 1-1/2" Oal, Low Pressure Pipe Thread Lube Sight With Reflector Sight Glass & Flow Sight 2" Head, 2

Ldi Industries 31/32" Sight Diam, 1" Thread, 1.19" Oal, Low Pressure Pipe Thread Lube Sight With Reflector Sight Glass & Flow Sight 1-7/16" Head, 7

Shield Sights Rmssc Reflex Mini Sight Sub-Compact 1X 17.35x14.35mm Reflex Red Dot Sight, 8 MOA Dot Reticle, Black, Rmssc-8MOA-Glass

Primary Arms Classic Series 21mm Micro Reflex Sight With Autolive, 3 MOA Red Dot, Black, 810044

Eotech EFLX Mini Reflex Red Dot Sight, 3 MOA Dot, Tan, EFLX3RWTAN

AT3 Tactical RD-50 Micro Red Dot Reflex Sight, 1in Riser, RD-50-10

Shield Sights Compact Reflex Mini Red Dot Sight 2.0, 4 MOA Dot Reticle, RMS2-4MOA Glass Lens, Olive Drab Green, RMS2-4 Moa G ODG

AT3 Tactical 1x23mm Micro Red Dot Reflex Sight, 2 MOA Red Dot, .83' Height Riser, Flat Dark Earth, 0.83 Riser, RD-50-83-FDE

AT3 Tactical PRO 1x23mm Micro Red Dot Reflex Sight, 2 MOA Red Dot, No Riser, Black, No Riser, RD-50-0

Cyelee Optics Wolf SRS6 PRO Reflex Red Dot Sight, 1X24x17mm, 6 MOA Dot, Black, X004OVWEOH

AT3 Tactical ARO Micro Red Dot Reflex Sight With Absolute Cowitness, 1X23mm, AT3-ARO-83

Williams Gun Sight LRS Reflex Sights, 3 MOA Dot Reticle, Black, 616522

Holosun HE509T X2 Enclosed Reflex Optical Red Dot Sight, 2X 0.66 X 0.9 In, Red LED, Flat Dark Earth, HE509T-RD X2 FDE

Shield Sights Compact Reflex Mini Red Dot Sight, 4 MOA Dot Reticle, RMSC-4MOA Glass Lens, Olive Drab Green, Rmsc-4 Moa G ODG

Olight Osight 1X Reflex Red Dot Sight, 3 MOA, Black, FL-OL-OSIGHT-RD

Holosun ARO-EVO-SPR 1x26mm Reflex Red Dot Sight, Red 1.5 MOA Dot/65 MOA Circle/3 Dot BDC Special Purpose Reticle, Black, ARO-EVO-SPR-RD

Meprolight M22 PRO Reflex Red Dot Sight, 1X28mm, 3.5/40 MOA Bullseye, Red, 56223070

Crimson Trace CT-RAD Open Reflex Red Dot Sight, 3 MOA Red Dot Reticle, Black, 01-01780