Will the Simmons Pro Target Air 3-9x40 hold zero on a high-powered spring-piston air rifle?

Yes, this scope is specifically engineered with internal reinforcements to handle the violent two-way recoil action of spring-piston air rifles that typically damages standard scopes. It features a rugged one-piece 1-inch aluminum housing, IPX7 waterproofing, and shockproof construction to ensure long-term durability in the field.

What mounting hardware is included with the SPTA3940, and will it fit my air rifle rail?

The scope ships out-of-the-box with one-inch aluminum dovetail-style mounting rings featuring an integrated stop pin. These rings are designed to fit standard 11mm dovetail rails found on most air rifles, with the stop pin preventing the scope from creeping backward under heavy spring recoil. Note that if you are mounting this to a firearm with a Picatinny or Weaver rail, you will need to source separate 1-inch rings.

Does this scope require any batteries or electrical compliance for use in Australia?

No, the Simmons Pro Target Air 3-9x40 features a non-illuminated Truplex reticle and a purely mechanical optical system, meaning it requires no batteries or electrical power. Consequently, Australian electrical standards, RCM approvals, and 240V mains power compatibility regulations do not apply to this optic.

What are the magnification and optical specifications for low-light pest control?

This model provides a variable zoom of 3x to 9x magnification paired with a 40mm objective lens. Built with an all-glass optical system and fully coated lenses, it maximizes light transmission for crisp target acquisition during early morning or dusk pest control sessions.

Air Rifle Scope - Simmons SIMSPTA3940

The Simmons Pro Target Air 3-9x40 Riflescope (Model: SIMSPTA3940) is a precision-engineered optical instrument built specifically to withstand the harsh demands of airgun shooting. While standard rifle scopes are only built to handle rearward recoil, spring-piston and gas-piston air rifles produce a violent, two-way (forward and backward) recoil action that can easily destroy unreinforced optics. The SPTA3940 variant solves this issue with specialized internal spring-piston dual-recoil compensation, housing its reliable mechanics inside a rugged, one-piece 1-inch aluminum main tube.

Key Features of the Simmons SPTA3940:

Dual-Recoil Compensation: Engineered with internal reinforcements to absorb the unique multi-directional shock curves of spring-piston, gas-piston, and high-power PCP air rifles.
Fully Coated All-Glass Optics: High-quality glass lenses maximize light transmission, delivering bright, sharp, and high-contrast images during critical dawn and dusk shooting hours.
Truplex Reticle: Outfitted with a clean, non-illuminated second focal plane (SFP) Truplex reticle for fast, uncluttered target acquisition.
IPX7 Environmental Protection: Fully sealed and nitrogen-purged housing provides reliable waterproof, fog-proof, and shockproof performance in wet or humid Australian field conditions.
Dovetail Mounting Rings Included: Ships complete with a set of 1-inch aluminum dovetail rings. These mounts feature an integrated stop pin designed to anchor into the airgun receiver, preventing scope creep under heavy recoil.

Technical Specifications:

Magnification Range: 3x to 9x variable zoom
Objective Lens Diameter: 40 mm
Tube Diameter: 1 inch (25.4 mm)
Focal Plane: Second Focal Plane (SFP)
Eye Relief: 78 mm to 91 mm (approximately 3.0 to 3.5 inches)
Weight: 17.7 ounces (approximately 501.7 grams)
Length: 12.9 inches (330 mm)
Turrets: Capped, low-profile, finger-adjustable elevation and windage turrets
Adjustment Graduation: 1/4 MOA click values with 60 MOA total travel range
In the Box: Simmons SPTA3940 scope, bikini-style lens covers, and 1-inch dovetail mounting rings

Who It Is For:

The Simmons Pro Target Air 3-9x40 is ideal for Australian shooters, farmers, and property owners seeking a durable optic for pest control (such as rabbit and varmint eradication), backyard plinking, and target practice. It is highly compatible with the standard 11mm or 3/8-inch dovetail receiver rails found on almost all air rifles in the Australian market. Because this is an entirely mechanical, non-electronic optical device, it requires no batteries or external power, making Australian electrical SAA/RCM standards non-applicable. Shooters wishing to mount this durable scope onto a rimfire or centrefire rifle utilizing a Weaver or Picatinny base can easily do so by sourcing a separate set of standard 1-inch Weaver-style rings.

SKU	SM39113LP
Model #	SIMSPTA3940
Brand	Simmons
Shipping Weight	1.0000kg

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Simmons Pro Target Air Simspta3940 Riflescope 3-9x40mm 1 Inch Tube

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