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3 Legged Thing

The 90 Straight-Sided Arca Shooting Support Saddle

$15999 USD

The 90 is a precision-engineered rifle support designed for maximum stability and confidence in the field.

  • Standard 38mm Arca Dovetail
  • Additional 3/8”-16 and 1/4”-20 threads for versatile mounting
  • Clamping width 37mm - 78mm
  • Aerospace-grade magnesium alloy construction

Color:

Delivery and Shipping

NOW SHIPPING FROM OUR US WAREHOUSE. NO IMPORT DUTIES

We now ship orders from our US warehouse, so there will be no additional duties to pay.

Orders over $100 qualify for free shipping.

Delivery
Depending on the size and weight of the product, deliveries in the USA will be via trusted national couriers such as DHL, USPS, FedEx, or UPS. Orders typically arrive within 3–5 business days. Tracking information will be provided once your order ships.

We dispatch parcels same day Monday to Friday for orders placed before 12 noon.

Returns
If you are not satisfied with your purchase, we have a 30-day returns period. In the first instance, please contact our support team via email: support@3leggedthing.com

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Description

STOCK EXPECTED END OF AUGUST 2026

The 90 is a precision-engineered rifle support designed for maximum stability and confidence in the field. Its straight-sided clamping design provides a secure hold on a wide range of rifle stocks and chassis systems while allowing quick adjustment and repositioning when it matters most. ARCA compatible and machined from aerospace-grade magnesium alloy with durable SUS304 stainless steel fixings, The 90 pairs perfectly with tripods and support systems to deliver rock-steady shooting whether you’re on the range, in the field, or tracking targets at distance.

Specifications
  • Material
    Aerospace-grade magnesium alloy
  • Specs

    Height: 8.5 cm / 3.3 "

    Length: 8 cm / 3.1 "

    Width: 8.5 cm / 3.3 "

    Max Clamp Opening: 8.3 cm / 3.3 "

    Min Clamp Opening: 3.5 cm / 1.3 "

    Weight: 504 g / 17.8 oz

    Base Mount: ARCA, 3/8"-16 and 1/4"-20 Mounts

The Features:

  • Clamping width 37mm - 78mm
  • Aerospace-grade magnesium alloy construction
  • Non-corrosive stainless steel fixings tested for 48 hours in saltwater
  • Standard 38mm Arca Dovetail
  • Additional 3/8”-16 and 1/4”-20 threads for versatile mounting
  • Smooth, controlled action
  • TPR Compound for maximum grip without damaging the forend

What's in the box?


What's In The Box?

The 90 precision-engineered arca support

Your feedback fuels our designs

We design and engineer all of our products in the United Kingdom, and seek ways to innovate in order to create products that photographers love and want to use in their daily workflows.

  • FREE US Mainland Delivery

    on orders totalling over $100

  • 5 Year Warranty

    Our products are covered for 5 years by our global warranty.

  • Dedicated Customer Support

    Email or phone us with queries about our products.