Independent field journal · Practice, evidence, judgmentIssue No. 01 / Summer 2026
KGKNOWN GROUNDClarity and capability in a contested world
Newsletter
Structured field guide

Product records

Shared specifications, verification dates, firsthand status, and editorial recommendations.

Walther · Duty Pistols

PDP Compact — 2.0 Cut

Price not listed · 24.4 oz empty · Walther PDP 2.0 optic cut; model-specific plate required

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Walther · Duty Pistols

PDP Full Size — 2.0 Cut

Price not listed · 24.4 oz empty · Walther PDP 2.0 optic cut; model-specific plate required

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Springfield Armory · Duty Pistols

Echelon 4.0C

Price not listed · 24.0 oz with flush magazine · Springfield Variable Interface System

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Leupold · Optics

DeltaPoint Pro

Price not listed · 1.9 oz / 54 g with battery · DeltaPoint Pro footprint

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Glock · Duty Pistols

G47 A-CUT / COA

Price not listed · 23.21 oz without magazine · Aimpoint A-CUT; direct mount for Aimpoint COA

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Glock · Duty Pistols

G17 Gen6 Optic Ready

Price not listed · Not published by Glock · Glock Gen6 optic-ready system; three included plates

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Glock · Duty Pistols

G17 Gen5 MOS

Price not listed · 22.05 oz without magazine · Glock Gen5 MOS adapter-plate system

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CZ · Duty Pistols

P-10 F OR

Price not listed · 28.2 oz empty · CZ P-10 Optics Ready plate system

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Staccato · Duty Pistols

Staccato CS Optic Ready

Price not listed · 23 oz without optic or magazine · Staccato DPO optic-mounting kit system

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Glock · Duty Pistols

G19 Gen6 Optic Ready

Price not listed · Not published by Glock · Glock Gen6 optic-ready system; three included plates

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Staccato · Duty Pistols

Staccato XC Optic Ready

Price not listed · 37.56 oz without optic or magazine · Staccato DPO optic-mounting kit system

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Staccato · Duty Pistols

Staccato XL Optic Ready

Price not listed · 38 oz without optic or magazine · Staccato DPO optic-mounting kit system

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Staccato · Duty Pistols

Staccato HD C3.6 HOST

Price not listed · 24 oz without magazine · Staccato HD HOST optic-mounting kit system

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Staccato · Duty Pistols

Staccato HD C4X HOST

Price not listed · 24.5 oz without magazine · Staccato HD HOST optic-mounting kit system

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Staccato · Duty Pistols

Staccato HD P4 HOST

Price not listed · 32 oz without magazine · Staccato HD HOST optic-mounting kit system

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Staccato · Duty Pistols

Staccato C Optic Ready

Price not listed · 26 oz without optic or magazine · Staccato DPO optic-mounting kit system

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Staccato · Duty Pistols

Staccato C2 Optic Ready

Price not listed · 25 oz without optic or magazine · Staccato DPO optic-mounting kit system

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Glock · Duty Pistols

G19 Gen5 MOS

Price not listed · 21.34 oz without magazine · Glock Gen5 MOS adapter-plate system

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Staccato · Duty Pistols

Staccato HD P4.5 HOST

Price not listed · 34 oz without magazine · Staccato HD HOST optic-mounting kit system

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Glock · Duty Pistols

G45 MOS

Price not listed · 21.73 oz without magazine · Glock Gen5 MOS adapter-plate system

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Staccato · Duty Pistols

Staccato P DPO

Price not listed · 33 oz without optic or magazine · Staccato DPO optic-mounting kit system

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Beretta · Duty Pistols

92X RDO

Price not listed · 33.3 oz unloaded · Beretta 90 Series RDO plate system

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Beretta · Duty Pistols

APX A1 Full Size RDO

Price not listed · 29.0 oz unloaded · Beretta APX A1 RDO plate system

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SIG Sauer · Duty Pistols

P320-M18 Optic Ready

Price not listed · 27.86 oz with empty 17-round magazine · SIG P320 M17/M18 factory optic cut

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Glock · Duty Pistols

G47 MOS

Price not listed · 23.21 oz without magazine · Glock Gen5 MOS adapter-plate system

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Glock · Duty Pistols

G19 Gen5 A-CUT / COA

Price not listed · 21.34 oz without magazine · Aimpoint A-CUT; direct mount for Aimpoint COA

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Glock · Duty Pistols

G45 A-CUT / COA

Price not listed · 21.73 oz without magazine · Aimpoint A-CUT; direct mount for Aimpoint COA

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Glock · Duty Pistols

G45 Gen6 Optic Ready

Price not listed · Not published by Glock · Glock Gen6 optic-ready system; three included plates

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SIG Sauer · Duty Pistols

P320-M17 Optic Ready

Price not listed · 29.98 oz with empty 17-round magazine · SIG P320 M17/M18 factory optic cut

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Smith & Wesson · Duty Pistols

M&P9 M2.0 Compact 4-inch Optics Ready

Price not listed · 25.8 oz · Smith & Wesson M&P M2.0 optics-ready plate system

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Smith & Wesson · Duty Pistols

M&P9 M2.0 Full Size Optics Ready

Price not listed · 27.8 oz · Smith & Wesson M&P M2.0 optics-ready plate system

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Springfield Armory · Duty Pistols

Echelon 4.5

Price not listed · 23.9 oz with flush magazine · Springfield Variable Interface System

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CZ · Duty Pistols

P-10 C OR

Price not listed · 26.0 oz empty · CZ P-10 Optics Ready plate system

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HK · Duty Pistols

VP9 Optics Ready

Price not listed · 26.56 oz with empty magazine · HK VP9 optics-ready plate system

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FN · Duty Pistols

FN 509 Tactical

Price not listed · 27.9 oz · FN Low-Profile Optics-Mounting System

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FN · Duty Pistols

FN 509 MRD

Price not listed · 27.02 oz · FN Low-Profile Optics-Mounting System

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Holosun · Rifle Optics

MP3X-BDC

Holosun still labels the MP3X-BDC Coming Q2 2026. Several electronic feature fields remain TBD on the manufacturer page.

$352.93 · 8.11 oz · Direct Picatinny mount

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Holosun · Rifle Optics

ARO-EVO-DUAL

Holosun lists the ARO-EVO-DUAL for Q3 2026. This is a manufacturer-specification record, not a firsthand review.

$588.22 · 8.15 oz sight; 2.45 oz mount · Direct Picatinny mount

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Holosun · Rifle Optics

AEMS-EVO-DUAL

Holosun lists the AEMS-EVO-DUAL for Q3 2026. This is a manufacturer-specification record, not a firsthand review.

$823.52 · 10.6 oz · Direct Picatinny mount

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Holosun · Optics

DPS-TH

Holosun still labels the DPS-TH Coming Q2 2026 and has not published final physical or runtime specifications. This is not a firsthand review.

$1176.46 · Not yet published by Holosun · Holosun 509T footprint; 509T-to-RMR plate included

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Holosun · Optics

EPS CORE MRS

Holosun lists the EPS CORE MRS for Q3 2026. This is a manufacturer-specification record, not a firsthand review.

$329.40 · 1.4 oz · Shield RMSc footprint

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Holosun · Optics

EPS CORE

Holosun lists the single-dot EPS CORE for Q3 2026. This is a manufacturer-specification record, not a firsthand review.

$329.40 · 1.4 oz · Shield RMSc footprint

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Holosun · Optics

AEMS-MACRO

Holosun lists the AEMS-MACRO for Q3 2026. This is a manufacturer-specification record, not a firsthand review.

$435.28 · 2.5 oz · Holosun 509T footprint; RMR-to-509T plate included

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Holosun · Optics

507-PROMAX

Holosun lists the 507-PROMAX for Q3 2026. This is a manufacturer-specification record, not a firsthand review.

$470.58 · 1.7 oz · Trijicon RMR footprint

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Holosun · Optics

AEMS-MICRO

Holosun lists the AEMS-MICRO for Q3 2026. This is a manufacturer-specification record, not a firsthand review.

$435.28 · 2.1 oz · AEMS-MICRO interface; RMSc-to-AEMS-MICRO adapter plate included

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SIG Sauer · Optics

ROMEO-X Pro

Price not listed · 1.15 oz / 32.6 g with battery · DeltaPoint Pro / SIG PRO footprint

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Aimpoint · Optics

COA

Price not listed · 1.7 oz / 48 g · Aimpoint A-CUT / COA interface

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EOTECH · Optics

EFLX

Price not listed · 1.4 oz / 35 g · DeltaPoint Pro footprint

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Holosun · Optics

407C X2

Price not listed · 1.5 oz · Trijicon RMR footprint

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Holosun · Optics

407C X3

Price not listed · 1.55 oz · Trijicon RMR footprint

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Holosun · Optics

407COMP

Price not listed · 1.7 oz · Trijicon RMR footprint

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Holosun · Optics

407K X2

Price not listed · 1.0 oz · Holosun K footprint

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Holosun · Optics

507C X2

Price not listed · 1.5 oz · Trijicon RMR footprint

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Holosun · Optics

507C X3

Price not listed · 1.55 oz · Trijicon RMR footprint

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Holosun · Optics

507COMP

Price not listed · 1.7 oz · Trijicon RMR footprint

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Holosun · Optics

507K X2

Price not listed · 1.0 oz · Holosun K footprint

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Holosun · Optics

508T X2

Price not listed · 2.0 oz · Trijicon RMR footprint

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Holosun · Optics

509T X2

Price not listed · 1.27 oz · Holosun 509T footprint

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Holosun · Optics

EPS

Price not listed · 1.4 oz · Holosun K / RMSc-family footprint

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Holosun · Optics

EPS Carry

Price not listed · 1.23 oz · Holosun K footprint; RMSc-to-K adapter included

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Holosun · Optics

SCS 320

Price not listed · 1.35 oz · SIG P320 / DeltaPoint Pro footprint

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Holosun · Optics

SCS Carry

Price not listed · 1.06 oz · Holosun K footprint; RMSc-to-K adapter included

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Holosun · Optics

SCS MOS

Price not listed · 1.3 oz · Direct mount to full-size Glock MOS slides

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Holosun · Optics

SCS MP2

Price not listed · 1.35 oz · Direct mount to compatible S&W M&P M2.0 optics-ready slides

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Holosun · Optics

SCS PDP

Price not listed · 1.35 oz · Direct mount to Walther PDP 2.0 optics-ready slides

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Holosun · Optics

SCS VP9

Price not listed · 1.35 oz · Direct mount to HK VP9 optics-ready slides

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Shield Sights · Optics

RMSx

Price not listed · 1.0 oz / 28.6 g excluding battery · Shield RMS / RMSc footprint

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SIG Sauer · Optics

ROMEO1Pro

Price not listed · 1.0 oz / 28 g, sight only without battery · SIG PRO / DeltaPoint Pro-family footprint

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SIG Sauer · Optics

ROMEO2

Price not listed · 1.58 oz open; 2.10 oz half shroud; 2.50 oz full shroud · SIG PRO / DeltaPoint Pro-family footprint; verify recoil bosses

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Aimpoint · Optics

ACRO P-2

Price not listed · 2.2 oz / 61 g · Aimpoint ACRO interface

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SIG Sauer · Optics

ROMEO-X Enclosed Pro

Price not listed · 1.2 oz / 34 g with battery · DeltaPoint Pro / SIG PRO footprint

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Steiner · Optics

MPS

Price not listed · 2.05 oz / 58 g · Aimpoint ACRO interface

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Trijicon · Optics

RCR

Price not listed · 1.95 oz / 55 g with battery · RMR-pattern interface using RCR capstan hardware

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Trijicon · Optics

RMR HD

Price not listed · 1.69 oz / 48 g with battery · Trijicon RMR footprint

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Trijicon · Optics

RMR Type 2

Price not listed · 1.2 oz / 34 g with battery · Trijicon RMR footprint

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Trijicon · Optics

SRO

Price not listed · 1.6 oz / 46 g with battery · Trijicon RMR footprint

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Vortex · Optics

Defender-CCW

Price not listed · 0.95 oz · Shield RMSc footprint

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Vortex · Optics

Defender-CCW Enclosed Solar

Price not listed · 1.30 oz · Shield RMSc footprint

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Vortex · Optics

Defender-ST

Price not listed · 1.48 oz · DeltaPoint Pro footprint

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Vortex · Optics

Defender-ST Enclosed Solar

Price not listed · 1.62 oz · DeltaPoint Pro footprint

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Vortex · Optics

Defender-XL

Price not listed · 1.93 oz · DeltaPoint Pro footprint

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Holosun · Mounting Plates

Holosun 509 MOS 9mm Adapter Plate

Price not listed · Weight not listed · Compatibility not listed

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Staccato · Mounting Plates

Staccato HD HOST ACRO P-2 Kit

Price not listed · Weight not listed · Compatibility not listed

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Staccato · Mounting Plates

Staccato HD HOST RMR HD / SRO Kit

Price not listed · Weight not listed · Compatibility not listed

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Staccato · Mounting Plates

Staccato HD HOST RMR Kit

Price not listed · Weight not listed · Compatibility not listed

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Staccato · Mounting Plates

Staccato DPO DeltaPoint Pro Kit

Price not listed · Weight not listed · Compatibility not listed

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Staccato · Mounting Plates

Staccato DPO ACRO Kit

Price not listed · Weight not listed · Compatibility not listed

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Staccato · Mounting Plates

Staccato DPO 509T Kit

Price not listed · Weight not listed · Compatibility not listed

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Staccato · Mounting Plates

Staccato DPO 507C / 508T Kit

Price not listed · Weight not listed · Compatibility not listed

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Staccato · Mounting Plates

Staccato DPO RMR / RMR HD / SRO Kit

Price not listed · Weight not listed · Compatibility not listed

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Springfield Armory · Mounting Plates

Springfield VIS ACRO Plate

Price not listed · Weight not listed · Compatibility not listed

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Walther · Mounting Plates

Walther PDP 2.0 ACRO Plate

Price not listed · Weight not listed · Compatibility not listed

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Walther · Mounting Plates

Walther PDP 2.0 509T Plate

Price not listed · Weight not listed · Compatibility not listed

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Walther · Mounting Plates

Walther PDP 2.0 DPP / Shield Plate

Price not listed · Weight not listed · Compatibility not listed

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Walther · Mounting Plates

Walther PDP 2.0 RMR Plate

Price not listed · Weight not listed · Compatibility not listed

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Glock · Mounting Plates

Glock Gen6 04 Plate

Price not listed · Weight not listed · Compatibility not listed

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Glock · Mounting Plates

Glock Gen6 02 Plate

Price not listed · Weight not listed · Compatibility not listed

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Glock · Mounting Plates

Glock MOS 04 Plate

Price not listed · Weight not listed · Compatibility not listed

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Glock · Mounting Plates

Glock MOS 02 Plate

Price not listed · Weight not listed · Compatibility not listed

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Staccato · Mounting Plates

Staccato HD HOST DeltaPoint Pro Kit

Price not listed · Weight not listed · Compatibility not listed

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