What calibre rifles is the Simmons Pro Rimfire 4x32 designed for?

The Simmons Pro Rimfire 4x32 is engineered specifically for small-calibre rimfire platforms such as .22 LR, .22 WMR, and .17 HMR rifles. Featuring a fixed 4x magnification and a parallax preset at 50 yards, it is ideal for target plinking, training, and small-game hunting at close-to-medium rimfire ranges.

Does the scope come with mounting rings, and will they fit all rimfire rifles?

The scope comes packaged with a set of 1-inch aluminum Weaver-style 4-hole mounting rings, making it directly compatible with Weaver or Picatinny base rails. However, if your rifle features a traditional 3/8-inch or 11mm dovetail rail commonly found on classic Australian rimfire models like CZ or Brno, you will need to purchase separate 1-inch dovetail rings.

Are there any Australian electrical safety or RCM compliance certifications required for this scope?

No electrical certifications are required. The Simmons Pro Rimfire 4x32 is a purely passive optical device with no batteries, illuminated reticles, or electronic components, meaning it is entirely exempt from Australian SAA electrical safety approvals, RCM certification, and mains power requirements.

How does the scope hold up in harsh Australian bush and weather conditions?

The scope features a rugged, one-piece aircraft-grade aluminum housing that is IPX7 waterproof and shockproof. It is also nitrogen-purged to ensure reliable fog-proof performance when moving between humid environments and cold early-morning conditions in the field.

Rimfire Riflescope - Simmons SIMSPR432

The Simmons Pro Rimfire 4x32mm Riflescope (Model: SIMSPR432, also known as SPR432) is a reliable, purpose-built optic designed specifically for rimfire rifle platforms. Featuring a fixed 4x magnification and a 32mm objective lens, this scope is engineered to deliver clear, bright images at close-to-medium ranges. Built with a one-piece, aircraft-grade aluminium housing, it is nitrogen-purged to ensure complete fog-proof performance and carries an IPX7 waterproof rating. Because it is a purely passive optical device utilizing a Truplex reticle, it requires no batteries or external power, making it fully exempt from Australian SAA electrical safety approvals and RCM compliance regulations.

Key Features:

Optimised Rimfire Parallax: The parallax is factory-fixed at 50 yards (45.7 metres), which is the ideal distance for small-calibre shooting and pest control.
Fully Coated Optics: Maximises light transmission to provide high-contrast, bright images even during low-light hours such as dawn and dusk.
Weatherproof and Shockproof: IPX7 waterproof rating and rugged aircraft-grade aluminium construction ensure durability against recoil and harsh outdoor elements.
Tool-Free Adjustments: Features capped, finger-adjustable windage and elevation turrets alongside a fast-focus eyepiece for rapid reticle sharpening.
Included Mounting Hardware: Comes packaged with a set of 1-inch aluminium Weaver-style (4-hole) mounting rings for immediate installation on compatible rails.

Technical Specifications:

Model Number: SIMSPR432 / SPR432
Magnification: Fixed 4x
Objective Lens Diameter: 32 mm
Tube Diameter: 1 inch (25.4 mm)
Reticle Type: Truplex
Parallax Setting: Fixed at 50 yards (45.7 metres)
Physical Length: Approximately 279.4 mm (11 inches)
Weight: 10.8 ounces (approximately 306 grams)
Mounting Compatibility: Standard 1-inch rings

Who It's For:

The Simmons Pro Rimfire 4x32 is designed specifically for Australian shooters operating small-calibre rimfire rifles, including .22 LR, .22 WMR, and .17 HMR. It is an ideal optical solution for recreational target plinking, training new shooters, and small-game hunting or agricultural pest control, such as managing rabbits and feral rodents. Shooters should note that while the scope includes standard Weaver-style rings, many traditional or classic Australian rimfire rifles (such as older Stirling, Brno, or CZ models) utilize 3/8-inch (9.5mm) or 11mm dovetail receiver rails. If mounting to a dovetail rail, a separate set of 1-inch dovetail rings will be required to install this scope.

SKU	SM39111LP
Model #	SIMSPR432
Brand	Simmons
Shipping Weight	1.0000kg

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Simmons Simspr432 Pro Rimfire Riflescope 4x32 1in Tube

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