Is the Sightron SI-74001 a complete riflescope or just an accessory?

The SI-74001 is not a complete riflescope, but an aftermarket tactical elevation knob accessory engineered specifically for select Sightron SIII 10-50x60mm models. It upgrades standard capped target turrets to exposed 19 MOA dials for fast, tool-free elevation adjustments during precision shooting.

Which specific Sightron scope models are compatible with this tactical elevation knob?

This knob is designed exclusively for 1/4 MOA variants of the Sightron SIII 10-50x60mm series, including models SIIISS1050X60LRMOA, SIIISS1050X60LRIRMOA, SIIISS1050X60LRMOA-H, and SIIISS1050X60LRIRMOA-H. It is completely incompatible with scopes using 1/8 MOA clicks, Milliradian systems, fine crosshair target variants, or other series like the S-TAC and SV.

Does this turret accessory require any electrical compliance certification for use in Australia?

No electrical compliance or SAA/RCM certification is required because the SI-74001 is a fully mechanical rifle-optic component containing no electronics and requiring no power source. As a non-pressure-bearing, unregulated accessory, it is entirely unrestricted under Australian state and territory firearms legislation.

How do I recalibrate the dial to zero after sighting in my rifle?

The tactical knob features an internal indexing zero-reset capability that allows you to unclamp and slip the outer matte black anodised dial back to zero after establishing your initial sight-in. It pairs with Sightron's ExacTrack leaf-spring system to deliver positive, tactile 1/4 MOA clicks for reliable tracking under outback field conditions.

Tactical Elevation Knob - Sightron SI-74001

The Sightron SIII Series 10-50x60mm Tactical Elevation Knob 19 MOA (MPN: 74001 / SI-74001) is an exposed, aftermarket replacement turret designed to convert standard capped target turrets into tall, tactical elevation dials. Machined from anodised metal in a matte black finish, this mechanical accessory interfaces directly with Sightron's internal ExacTrack system, allowing shooters to make rapid vertical adjustments in the field without removing protective caps. The dial incorporates a slip-to-zero reset design, allowing the user to unclamp and reset the dial markings back to "0" after completing rifle sight-in.

Key Features

Exposed Tactical Profile: Replaces factory low-profile capped turrets with an open, heavily knurled dial for rapid finger adjustments in changing field conditions.
Precise 1/4 MOA Click Graduations: Matches 1/4 MOA internal adjustment mechanics, providing tactile and audible feedback per click without gear lash.
Zero-Reset Indexing: Allows the shooter to loosen the assembly and align the numeric "0" mark with the scope body index line after establishing a zero.
Recoil-Rated Mechanical Design: Shockproof passive metal construction built to withstand severe centerfire benchrest and magnum recoil forces.

Specifications

Product Name: Sightron SIII Series 10-50x60mm Tactical Elevation Knob 19 MOA
Manufacturer Part Number (MPN): 74001 / SI-74001
Material and Finish: Anodised metal, Matte Black
Adjustment Graduation: 1/4 MOA per click
Engraved Turret Range: 19 MOA per complete revolution
Scope Chassis Compatibility: Exclusively fits Sightron SIII 10-50x60mm 1/4 MOA riflescope models (SIIISS1050X60LRMOA, SIIISS1050X60LRIRMOA, SIIISS1050X60LRMOA-H, SIIISS1050X60LRIRMOA-H)
Operating Requirements: Fully mechanical; requires no power source or battery

Who is the Sightron SIII 10-50x60mm Tactical Elevation Knob for?

F-Class and benchrest precision shooters — provides an exposed elevation turret featuring distinct 1/4 MOA click values and a 19 MOA dial face to dial precise sight corrections between competitive target strings without detaching caps.
Long-range varmint hunters — utilises a 19 MOA engraved rotation range and zero-reset indexing on this elevation turret to rapidly dial holdovers for fluctuating target distances across paddocks.

Less suitable for: Shooters using optics configured with 1/8 MOA clicks, Milliradian-based systems, or alternative chassis sizes like 6-24x models, who require dedicated 0.05-mil or 1/8 MOA factory-matched replacement turrets suited specifically to their adjustment spacing and chassis diameter.

SKU	SIT42380LP
Model #	SI-74001
Brand	Sightron
Shipping Weight	1.0000kg

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Sightron Si-74001 Elevation Knob 19 Moa Turret

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