ARMA 3 Optics Guide
ACO SMG (Red)
Advanced Collimator Optics
Illuminated crosshair with ringed red dot
- Magnification
- 1
- Zero (min)
- 100m
- Zero (max)
- 100m
- View Modes
- 1
- Best for
- SMGs in 9mm, .45ACP
ACO SMG (Green)
Advanced Collimator Optics
Illuminated 3-post crosshair with green dot
- Magnification
- 1
- Zero (min)
- 100m
- Zero (max)
- 100m
- View Modes
- 1
- Best for
- SMGs in 9mm, .45ACP
Mk17 Holosight SMG
Mk17 Holosight SMG
Illuminated ring with red dot
- Magnification
- 1-2
- Zero (min)
- 100m
- Zero (max)
- 100m
- View Modes
- 1
- Best for
- SMGs in 9mm, .45ACP
ACO (Red)
Advanced Collimator Optics
Illuminated segmented ring with red dot
- Magnification
- 1
- Zero (min)
- 200m
- Zero (max)
- 200m
- View Modes
- 1
- Best for
- Carbines / Rifles in 5.56mm / 6.5mm
ACO (Green)
Advanced Collimator Optics
Illuminated chevron with green dot
- Magnification
- 1
- Zero (min)
- 200m
- Zero (max)
- 200m
- View Modes
- 1
- Best for
- Carbines / Rifles in 5.56mm / 6.5mm
Mk17 Holosight
Mk17 Holosight
Illuminated ring with red dot
- Magnification
- 1-2
- Zero (min)
- 200m
- Zero (max)
- 200m
- View Modes
- 1
- Best for
- Carbines / Rifles in 5.56mm / 6.5mm
RCO
Rifle Combat Optics
Crosshair with red dot and ballistic markings; mounted reflex red dot
- Magnification
- 2
- Zero (min)
- 300m
- Zero (max)
- 300m
- View Modes
- 2
- Best for
- Carbines / Rifles / LMGs in 5.56mm / 6.5mm / 7.62mm
ARCO
Advanced Rifle Combat Optics
Illuminated crosshair with chevron and ballistic markings; mounted reflex green dot
- Magnification
- 2
- Zero (min)
- 300m
- Zero (max)
- 300m
- View Modes
- 2
- Best for
- Carbines / Rifles / LMGs in 5.56mm / 6.5mm / 7.62mm
MRCO
MRCO
Crosshair with red dot and ballistic hashes; CQB and zoom modes
- Magnification
- 1-2
- Zero (min)
- 300m
- Zero (max)
- 300m
- View Modes
- 2
- Best for
- Carbines / Rifles / LMGs in 5.56mm / 6.5mm / 7.62mm
DMS
Designated Marksman Scope
Crosshair with windage markings, ballistic chevrons, and man measures; mounted reflex red chevron
- Magnification
- 2-4
- Zero (min)
- 100m
- Zero (max)
- 1000m
- View Modes
- 2
- Best for
- Long Rifles in 6.5mm / 7.62mm / 9.3mm / 12.7mm / .338 Lapua
MOS
Marksman Optical Sights
Crosshair with windage markings and ballistic hashes; mounted peep sight
- Magnification
- 2.5-5
- Zero (min)
- 300m
- Zero (max)
- 1000m
- View Modes
- 2
- Best for
- Long Rifles in 6.5mm / 7.62mm / 9.3mm / 12.7mm / .338 Lapua
AMS
Advanced Marksman Scope
Crosshair with windage markings and ballistic hashes; mounted reflex red dot
- Magnification
- 3-10
- Zero (min)
- 300m
- Zero (max)
- 1000m
- View Modes
- 2
- Best for
- Long Rifles in 6.5mm / 7.62mm / 9.3mm / 12.7mm / .338 Lapua
Kahlia
Kahlia
Crosshair with windage markings and ballistic hashes; mounted 3-dot pistol-style irons
- Magnification
- 5-11
- Zero (min)
- 300m
- Zero (max)
- 1400m
- View Modes
- 2
- Best for
- Long Rifles in 6.5mm / 7.62mm / 9.3mm / 12.7mm / .338 Lapua
LRPS
Long Range Precision Scope
Crosshair with Mil dots
- Magnification
- 6-25
- Zero (min)
- 300m
- Zero (max)
- 1000m
- View Modes
- 1
- Best for
- Sniper Rifles in 12.7mm / .408
TWS
Thermal Weapon Sight
Illuminated crosshair with built-in rangefinder; normal, black-hot, and white-hot modes
- Magnification
- 4-10
- Zero (min)
- 100m
- Zero (max)
- 1000m
- View Modes
- 3
- Best for
- Rifles / Long Rifles in 5.56mm / 6.5mm / 7.62mm / 9.3mm / 12.7mm / .338 Lapua
TWS MG
Thermal Weapon Sight MG
Illuminated crosshair with ballistic hashes; normal, black-hot, and white-hot modes
- Magnification
- 4-10
- Zero (min)
- 100m
- Zero (max)
- 1600m
- View Modes
- 3
- Best for
- LMGs and MMGs in 6.5mm / 7.62mm / 9.3mm / .338 Lapua
Nightstalker
Nightstalker
Illuminated crosshair with chevron; normal, night vision, and thermal modes
- Magnification
- 4-10
- Zero (min)
- 100m
- Zero (max)
- 1000m
- View Modes
- 4
- Best for
- Long Rifles in 6.5mm / 7.62mm / 9.3mm / 12.7mm / .338 Lapua
NVS
Night Vision Scope
Illuminated crosshair with ballistic hashes; permanent night vision mode
- Magnification
- 5
- Zero (min)
- 300m
- Zero (max)
- 300m
- View Modes
- 1
- Best for
- Carbines / Rifles / Long Rifles in 5.56mm / 6.5mm / 7.62mm
ERCO
Enhanced Rifle Combat Optics
Crosshair with red circle and ballistic markings; mounted reflex red dot; currently misaligned
- Magnification
- 2
- Zero (min)
- 300m
- Zero (max)
- 300m
- View Modes
- 2
- Best for
- Carbines / Rifles / LMGs in 5.56mm / 6.5mm / 7.62mm