Blog
Guides, comparisons, and findings from the dataset. Plain answers to which red dot fits what, and why.
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ACRO Footprint: 5 Optics, 80 Pistols, Zero Cut Slides
September 29, 2026 · 18 min read
No pistol in this dataset is cut for ACRO. 5 optics use the pattern and 80 of 196 pistols reach it, every one of them through an adapter plate.
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Holosun K Footprint vs RMSc: 5 Optics, 26 Pistols Fit
September 25, 2026 · 17 min read
The Holosun K cut is RMSc with the rear lugs removed. 5 optics use it, 26 pistols take it, and every one of those 26 takes RMSc optics as well.
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M&P 2.0 Optic Footprint: 4 Plates, 83 Red Dots That Fit
September 22, 2026 · 18 min read
Every M&P M2.0 C.O.R.E. pistol here mounts a red dot through a plate, never directly. The 4 plates reach 83 of 100 optics, and no optic sits on two.
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SIG P320 Optic Plate: 5 Plates, 85 Red Dots That Fit
September 18, 2026 · 17 min read
All 16 SIG P320 models in this dataset mount a red dot through a plate, never directly. The 5 plates reach 85 optics, and no optic sits on two.
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Canik METE Optic Plate: 85 Red Dots, 8 Need No Plate
September 15, 2026 · 16 min read
7 of the 15 Canik pistols in this dataset mount a red dot through the METE plate system, reaching 85 optics. The other 8 are cut for a footprint.
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RMR vs RMSc Footprint: 33 vs 30 Optics, 7 vs 80 Pistols
August 27, 2026 · 4 min read
The RMR has more optics (33 to 30). The RMSc has far more pistols (80 to 7). A side by side of the two footprints, with the full cited list of each.
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DeltaPoint Pro Footprint: 15 Optics, Only 2 Pistols Cut
August 20, 2026 · 4 min read
Leupold's DeltaPoint Pro footprint is used by 15 optics from 5 brands, but only 2 of 196 pistols are cut for it. The rest need a plate. Cited lists.
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Sig P365 Optic Footprint: RMSc, and 35 Red Dots That Fit
August 13, 2026 · 3 min read
Every optic-ready Sig P365 is cut for the RMSc footprint and 9 of the 10 also take Holosun K. 35 red dots fit direct, zero plates. Full cited list.
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Holosun 507C Footprint: 117 Pistols Fit, 7 Without a Plate
August 6, 2026 · 3 min read
The Holosun 507C uses the RMR footprint, so it fits 117 pistols: 7 directly and 110 through a plate. The full pistol list, with a source on each fit.
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Ruger RXM Optic Footprint: 78 Red Dots Fit, No Plate
July 30, 2026 · 4 min read
The Ruger RXM slide is cut for RMR, RMSc and DeltaPoint Pro, so all 78 red dots that fit mount direct. The full list by footprint, every fit cited.
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RMSc Footprint: 30 Optics Fit It, 80 Pistols Are Cut for It
July 23, 2026 · 3 min read
The RMSc is the carry pistol standard: 80 of 196 pistols are cut for it and 30 optics from 12 brands fit it. Full cited lists of both, plus the RMR.
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Glock 19 Gen 5 MOS Footprint: 84 Red Dots, 1 Direct Fit
July 19, 2026 · 3 min read
The MOS slide is cut for plates, not a footprint. 84 red dots fit the Glock 19 Gen 5 MOS: 1 mounts direct, 83 through 4 plates. Full cited list.
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RMR Footprint Optics: All 33 Listed, and the 7 Pistols Cut
July 19, 2026 · 3 min read
33 optics from 7 brands use Trijicon's RMR footprint, but only 7 of 196 pistols are cut for it. The full optic list, the pistol list, every fit cited.
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Do You Need an Adapter Plate? 84 of 196 Pistols Do
June 25, 2026 · 6 min read
84 of the 196 pistols in our data need an adapter plate for a red dot and 86 never do. Check your slide's cut against your optic's footprint here.
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Pistol Optic Footprint Chart: 135 Red Dots, 196 Pistols
June 25, 2026 · 7 min read
Which footprint fits the most pistols, and which has the most optics? A chart of all 135 red dot SKUs and 196 optic-ready pistols, with every fit cited.