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

RCR

Enclosed duty-focused reflex optic.

Editorial status

current

Research record; not firsthand tested.

Key facts

optic

Weight: 1.95 oz / 55 g with battery
Dimensions: 1.8 × 1.2 × 1.3 in
Compatibility: RMR-pattern interface using RCR capstan hardware

Typical price

Not listed

Prices may change.

No merchant links are currently listed.

Description

Enclosed duty-focused reflex optic.

Specifications

Documented specifications for RCR
LensTempered glass
DesignEnclosed emitter
Window0.88 × 0.64 in
BatteryTop-loading CR2032
Housing7075-T6 forged aluminum
Reticle3.25 MOA red dot
Adjustment1 MOA per click
Brightness10 settings, including 3 night-vision and 1 super-bright
Eye reliefUnlimited
Battery lifeMore than 6 years at setting 5
Magnification
Adjustment range150 MOA total travel
Water resistance66 ft / 20 m

Sources and verification

Reviewed pistol mounting paths

Published compatibility records for RCR
Pistol configurationResultMounting detailsVerified
Glock G19 Gen6 Optic Ready
G19 Gen6 Optic Ready · Glock Gen6 Optic Ready
plate requiredGlock Glock Gen6 02 Plate (oem) — OEM screws.Checked July 15, 2026
Not personally tested
Glock G17 Gen5 MOS
G17 Gen5 MOS · Glock Gen5 MOS
plate requiredGlock Glock MOS 02 Plate (oem) — Use the optic and plate manufacturer-specified screws.Checked July 15, 2026
Not personally tested
Glock G19 Gen5 MOS
G19 Gen5 MOS · Glock Gen5 MOS
plate requiredGlock Glock MOS 02 Plate (oem) — Use the optic and plate manufacturer-specified screws.Checked July 15, 2026
Not personally tested
Glock G45 Gen6 Optic Ready
G45 Gen6 Optic Ready · Glock Gen6 Optic Ready
plate requiredGlock Glock Gen6 02 Plate (oem) — OEM screws.Checked July 15, 2026
Not personally tested
Glock G17 Gen6 Optic Ready
G17 Gen6 Optic Ready · Glock Gen6 Optic Ready
plate requiredGlock Glock Gen6 02 Plate (oem) — OEM screws.Checked July 15, 2026
Not personally tested
Glock G47 MOS
G47 MOS · Glock Gen5 MOS
plate requiredGlock Glock MOS 02 Plate (oem) — Use the optic and plate manufacturer-specified screws.Checked July 15, 2026
Not personally tested
Glock G45 MOS
G45 MOS · Glock Gen5 MOS
plate requiredGlock Glock MOS 02 Plate (oem) — Use the optic and plate manufacturer-specified screws.Checked July 15, 2026
Not personally tested

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