Will the Hawke 22402 adapter fit my .22 LR rimfire rifle dovetail?

Yes, this adapter is specifically engineered to clamp onto standard 9-11mm or 3/8-inch receiver dovetails commonly found on airguns and rimfire rifles like .22 LR, .22 WMR, and .17 HMR. It requires a flat continuous receiver dovetail surface of at least 110 mm to mount securely. However, it is not recommended for heavy centre-fire hunting calibres with severe recoil.

How does the cantilever extension help with scope mounting and eye relief?

The top Weaver/Picatinny rail measures 172 mm in total length, providing a 6.2 cm extension beyond the 110 mm base footprint. This reach-forward design allows you to achieve precise eye relief when mounting bulky scopes, red dots, or night-vision and thermal units onto compact actions. It features quad-hex clamp screws and an internal recoil stop pin to prevent sliding under spring-piston or rimfire recoil.

Can I use this adapter with bolt-action rifles that have high-throw bolts?

Because the base contact length is 110 mm with a continuous rail, it may block cartridge ejection ports or interfere with high-throw bolts on certain bolt-action rifles. On rifles with restrictive loading ports, a 2-piece adapter set is often a better choice to maintain clear access. Always measure your receiver's flat dovetail length before purchasing to ensure proper clearance.

Does this mounting rail require any electrical compliance or SAA/RCM certification in Australia?

No, electrical compliance, 240V compatibility, and SAA/RCM certifications are not applicable to this product. The Hawke 22402 is a purely mechanical aluminium accessory designed to withstand outback bush conditions with a matte black anti-glare finish.

Dovetail Picatinny Rail - Hawke 22402

The Hawke 1-Piece Adaptor Base (9–11mm / 3/8″ Dovetail to Weaver/Picatinny Extension) converts factory 9–11mm air rifle and 3/8″ rimfire receiver dovetails into an extended Picatinny/Weaver mounting platform. Engineered with a cantilever profile, this mechanical rail provides a 172 mm (6.8-inch) top mounting surface over an active 110 mm (4.3-inch) base clamping footprint. It allows shooters to mount modern Picatinny-compatible rifle scopes, red dots, and night-vision optics onto dovetail platforms requiring forward or rearward eye-relief adjustment.

Key Features

Cantilever Extension Design: Provides a 172 mm top rail that extends beyond the 110 mm receiver mounting base, increasing available rail space for optics positioning.
Secure Quad-Clamp System: Utilises four hex clamp screws driven by a 3 mm hex interface to maintain consistent clamping pressure across the receiver.
Recoil Arrestor Pin: Includes an internal recoil stop pin to eliminate forward and backward rail movement under spring-piston and rimfire recoil.
Durable Construction: Machined from high-grade aluminium with a matte black anodised finish for corrosion resistance and anti-glare performance.

Specifications

Base Interface: 9–11mm (airgun) or 3/8″ (rimfire/rifle) dovetail
Top Rail Type: Weaver / Picatinny
Top Rail Length: 172 mm (6.8 inches)
Base Contact Length: 110 mm (4.3 inches)
Weight: 96 g (3.4 oz)
Material: Anodised aluminium
Hardware: 4 clamping screws (3 mm hex drive), integrated recoil stop pin

Who is the Hawke 1-Piece Dovetail to Weaver/Picatinny Extension for?

Rimfire rifle small-game hunters — requires the 172 mm extended top rail of this dovetail to Picatinny adapter rail to set proper eye relief on .22 LR, .22 WMR, or .17 HMR rifles while clamping securely across a 110 mm base footprint.
Airgun pest control shooters — benefits from the integrated recoil arrestor pin and quad-screw clamp design of this dovetail to Picatinny adapter rail, preventing mount slip on 9–11mm spring-piston actions while adding only 96 g of weight.
Sporting target shooters using dovetail actions — converts standard 9–11mm or 3/8″ machined receiver dovetails to a modern Picatinny platform, delivering 172 mm of mounting real estate for optics adjustment.

Less suitable for: Heavy centre-fire hunting calibres with severe recoil, which require a dedicated steel Picatinny rail directly drilled and tapped into the receiver, or bolt-action rifles lacking a flat, continuous 110 mm receiver dovetail surface where a two-piece adapter set is required to prevent blocking the ejection port.

SKU	HWK39768LP
Model #	22402
Brand	Hawke
Shipping Weight	1.0000kg

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Hawke 22402 Rail Adaptor Picatinny Extension 9mm Dovetail

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