Home / Research / The most broadly compatible components
The most broadly compatible components
7
Picatinny rail (MIL-STD-1913) fits 7 of the combinations we checked directly, more than any other of the 15 components in the dataset.
Which component fits the most setups?
Picatinny rail (MIL-STD-1913) is the most broadly compatible, fitting 7 combinations directly (78% of the 9 we checked for it). The full ranking is below.
| # | Components | Direct fits | Combinations checked | Direct-fit rate |
|---|---|---|---|---|
| 1 | Picatinny rail (MIL-STD-1913) | 7 | 9 | 78% |
| 2 | Trijicon RMR footprint | 3 | 7 | 43% |
| 3 | Weaver rail | 3 | 4 | 75% |
| 4 | 30 mm scope tube | 2 | 5 | 40% |
| 5 | 1 inch (25.4 mm) scope tube | 2 | 3 | 67% |
| 6 | Aimpoint Micro footprint | 2 | 3 | 67% |
| 7 | Shield RMSc footprint | 2 | 3 | 67% |
| 8 | One-piece cantilever mount versus two-piece rings | 2 | 2 | 100% |
| 9 | AR-15 red dot and LPVO mount height | 2 | 2 | 100% |
| 10 | Airsoft 20 mm RIS / RIS II rail | 2 | 2 | 100% |
| 11 | 34 mm scope tube | 1 | 3 | 33% |
| 12 | Docter / Noblex footprint | 1 | 2 | 50% |
| 13 | Aimpoint ACRO footprint | 1 | 2 | 50% |
| 14 | Scope ring height and objective clearance | 1 | 1 | 100% |
| 15 | Leupold DeltaPoint Pro footprint | 1 | 1 | 100% |
How this is worked out
For every component we counted the compatibility combinations that resolve to a direct fit (no adapter needed) across every combination in the reference set, and ranked by that count. The direct-fit rate is direct fits divided by all combinations checked for that item.
Data as of 2026-09-05.
Republish this
This table is free to reproduce with a link to Scope Mount Finder. Embed the live version: