Independent field journal · Practice, evidence, judgmentIssue No. 01 / Summer 2026
KGKNOWN GROUNDClarity and capability in a contested world
Newsletter
Product record · Specifications checked July 23, 2026

509T X2

Enclosed reflex optic.

Editorial status

current

Research record; not firsthand tested.

Key facts

optic

Weight: 1.27 oz
Dimensions: 1.60 × 1.16 × 1.13 in
Compatibility: Holosun 509T footprint

Typical price

Not listed

Prices may change.

No merchant links are currently listed.

Description

Enclosed reflex optic.

Specifications

Documented specifications for 509T X2
SolarYes
DesignEnclosed emitter
Window0.66 × 0.90 in
BatterySide-loading CR1632
HousingTitanium
Reticle2 MOA dot and 32 MOA circle
Adjustment1 MOA per click
Brightness8 daylight and 4 night-vision settings
Battery life50,000 hours at setting 6
Magnification
Adjustment range±30 MOA
Water resistanceIP67
Motion activationShake Awake
Automatic brightnessYes

Sources and verification

Reviewed pistol mounting paths

Published compatibility records for 509T X2
Pistol configurationResultMounting detailsVerified
Staccato Staccato C2 Optic Ready
Staccato C2 Optic Ready (DPO) · Staccato DPO
plate requiredStaccato Staccato DPO 509T Kit (oem) — Use the DPO kit instructions and supplied hardware.Checked July 15, 2026
Not personally tested
Staccato Staccato C Optic Ready
Staccato C Optic Ready (DPO) · Staccato DPO
plate requiredStaccato Staccato DPO 509T Kit (oem) — Use the DPO kit instructions and supplied hardware.Checked July 15, 2026
Not personally tested
Walther PDP Full Size — 2.0 Cut
PDP Full Size — 2.0 Cut · Walther PDP 2.0 Optic Cut
plate requiredWalther Walther PDP 2.0 509T Plate (oem) — Use screws specified for the exact optic.Checked July 15, 2026
Not personally tested
Staccato Staccato XL Optic Ready
Staccato XL Optic Ready (DPO) · Staccato DPO
plate requiredStaccato Staccato DPO 509T Kit (oem) — Use the DPO kit instructions and supplied hardware.Checked July 15, 2026
Not personally tested
Walther PDP Compact — 2.0 Cut
PDP Compact — 2.0 Cut · Walther PDP 2.0 Optic Cut
plate requiredWalther Walther PDP 2.0 509T Plate (oem) — Use screws specified for the exact optic.Checked July 15, 2026
Not personally tested
Staccato Staccato XC Optic Ready
Staccato XC Optic Ready (DPO) · Staccato DPO
plate requiredStaccato Staccato DPO 509T Kit (oem) — Use the DPO kit instructions and supplied hardware.Checked July 15, 2026
Not personally tested
Staccato Staccato P DPO
Staccato P DPO · Staccato DPO
plate requiredStaccato Staccato DPO 509T Kit (oem) — Use the DPO kit instructions and supplied hardware.Checked July 15, 2026
Not personally tested
Staccato Staccato CS Optic Ready
Staccato CS Optic Ready (DPO) · Staccato DPO
plate requiredStaccato Staccato DPO 509T Kit (oem) — Use the DPO kit instructions and supplied hardware.Checked July 15, 2026
Not personally tested

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