Does the Holosun 509T fit the SIG Sauer P365X?
No: the slide is not cut for the Holosun 509T footprint, and no plate listed here adapts it.
No known fit
Enclosed emitterNothing in this database adapts the SIG P365 optic cut (RMSc pattern) interface to the Holosun 509T pattern. Ask a plate maker before ruling it out.
Same answer forNo known fit on the SIG Sauer P365 Optics Ready, SIG Sauer P365XL and SIG Sauer P365-XMACRO / XMACRO Comp either: they share this slide's optic cut.
SlideSIG P365 optic cut (RMSc pattern)
Optic footprintHolosun 509T
Slide is cut forShield RMSc, Holosun K
Plates made for itnone
New to red dots? What footprint, plate, co-witness and the rest mean →
How this slide mounts an opticMilled for the Shield RMSc pattern. No plate is needed. Holosun K optics bolt on directly as well. P365 SIG-LOC slides are a different cut, listed separately.
About this opticTitanium; duty-oriented. Steel plates recommended.
What fits the SIG Sauer P365X instead
22 of the 77 optics tracked here mount to it. The cheapest ways in:
Popular optics that do fit it:
- Holosun 507K X2 Direct (cross-fit)
- Holosun EPS Carry Direct (cross-fit)
- Shield Sights RMSc Direct
- Vortex Defender-CCW Direct
- Holosun 407K X2 Direct (cross-fit)
Where the Holosun 509T does go
It mounts to 48 of the 178 pistols tracked here. The popular ones:
- GLOCK 19 Gen5 MOS Plate
- Smith & Wesson M&P9 M2.0 Optics Ready (4.25 / 4.6 / 5 in) Plate
- SIG Sauer P320 X-Carry Plate
- GLOCK 17 Gen5 MOS Plate
- Walther PDP Full Size (1.0) Plate
- Shadow Systems MR920 Plate
- GLOCK 45 Gen5 MOS Plate
- GLOCK 26 Gen5 MOS Plate
- SIG Sauer P320 XCompact Plate
- Smith & Wesson M&P9 M2.0 Compact Optics Ready Plate
- Walther PDP Compact (1.0) Plate
Something on this page wrong?
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