ACOG Sight

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The ACOG Sight is a weapon attachment featured in Tom Clancy's Rainbow Six Siege. It was reworked into four sights in the Operation Shadow Legacy expansion: the Scope 1.5x, Scope 2x , Scope 2.5x (formerly ACOG), and Scope 3x.

Scope 1.5x

Scope 1.5x
General information
Type	Telescopic sight, fixed zoom
HUD Icon(s)

"Provides a 1.5x magnification for long distance engagements."
— In-game description

The Scope 1.5x replaces the default iron sight, providing a 1.5x scope for players to view through. The scope provides a compromise between short and long angles. It allows players to engage in close quarters while still providing a comfortable zoom level to fight at the average killing distance (10 meters). 

The Scope 1.5x is widely available across Assault rifles, Submachine Guns, Marksman Rifles and Light Machine Guns.

Weapon Compatibility

Compatibility List
Assault Rifles	M4 PARA-308 C8-SFW L85A2 (Sledge Only) G36C (Ash Only) 552 Commando F2 AR33 Mk17 CQB Type-89 AK-74M SC3000K
Submachine Guns	PDW9 FMG-9 MP7 (Zero Only) T-5 SMG (Oryx only) MP5 (Doc Only) MP5SD MP5K MPX (Warden Only) UMP45 (Castle Only) P90 9×19VSN (Kapkan Only) Mx4 Storm AUG A3 P10 RONI (Mozzie Only)
Light Machine Guns	M249 6P41 LMG-E T-95 LSW
Marksman Rifles	417 CAMRS SR-25 MK 14 EBR AR-15.50

Gallery

Aiming Down the Scope 1.5x

Scope 2.5x

ACOG Sight
General information
Type	Telescopic sight, fixed zoom
HUD Icon(s)	NATO Russian

"Provides a 2.5x magnification for long distance engagements."
— In-game description

The Scope 2.5x, formerly the ACOG, replaces the default iron sight, providing a 2.5x magnification for players to view through. This allows players to easily aim at targets from a farther distance than other available sights, with the caveat that recoil becomes harder to control, and shooting at close-distance targets becomes harder.

Two variants of the Scope 2.5x are available, NATO and Russian. The NATO variant displays an arrow with gradings; the tip of the arrow pointing to the target being aimed at. The Russian variant offers a different design and reticle featuring a center dot and two rings. It is only available for the 6P41 and the AK12.

The Scope 2.5x is primarily available to Assault Rifles, Light Machine Guns, and Marksman Rifles.

Weapon Compatibility

Compatibility List
Assault Rifles	L85A2 (Sledge Only) AR33 (Thatcher Only) 556xi AK12 (Fuze Only, Russian Variant) AUG A2 (IQ Only) Type-89 V308 AK-74M ARX200 (Nomad Only) F90
Shotguns	BOSG.12.2
Light Machine Guns	6P41 (Russian Variant) G8A1 (Amaru Only) M249 T-95 LSW LMG-E
Marksman Rifles	417 CAMRS SR-25 MK 14 EBR (Dokkaebi Only) AR-15.50

Gallery

Aiming Down The NATO Scope 2.5x

Aiming Down The Russian Scope 2.5x

Trivia

• The scopes that can be mounted on the AK-12 and 6P41 were erroneously dubbed as ACOG sights; the ACOG is specifically a series of Trijicon-manufactured scopes.
• The default ACOG sight model is based on the Trijicon ACOG.
• The scope used by Spetsnaz operators is based on the PK-AS.
• The scope on the M249 is based on the Steiner P4Xi 1-4x24.
• The 1.5x Scope model is loosely based off of the Trijicon ACOG TA45 1.5x24 BAC while the reticle is from the Trijicon ACOG TA44 1.5x16S.
• The "ACOG" was changed to "Scope 2.5x" during Operation Shadow Legacy
• Prior to Operation Shadow Legacy, the ACOG incorrectly offered a 3.0x zoom instead of the intended 2.5x. This has since been fixed.

Patch Changes

Update 5.3.0; September 10, 2020 Patch: ACOG zoom level lowered from 3.0x to 2.5x and renamed to "Scope 2.5x" Update 3.1.0; March 3, 2018 Patch: Renown price removed. Update 2.1.0; Feburary 7, 2017 Patch: All Electronic Sights are adjusted for consistency purposes.