Create a clean, professional in-vehicle setup with the Seat Rail Mount featuring a Double Socket Swivel Arm and AMPS Mounting Pattern. Designed for drivers who need a dependable and fully adjustable mounting solution, this system securely installs at the seat rail, keeping your dash and windshield clutter-free while giving you direct, ergonomic access to your device.
Equipped with an 18″ flexible aluminum gooseneck and an OCTO™ Series 4.25″ Double Socket Swivel Shaft Arm, you can fine-tune every angle with 360° rotation and smooth, controlled adjustability. Whether you’re mounting a tablet holder, phone holder, satellite radio, or another AMPS-compatible device, this setup gives you maximum precision and stability on the road.
The 4-hole AMPS adapter head allows full customization with a wide range of holders. Its reinforced composite and aluminum construction ensures long-term durability. Ideal for personal vehicles, commercial fleets, rideshare drivers, field service, and more. Installation is simple using the seat rail bracket or optional floor mounting hardware.
Features
- Keeps your dash and windshield clear with a stable seat rail mounting solution
- 4-hole AMPS adapter head for attaching tablet holders, phone holders, and more
- OCTO™ Series 4.25″ shaft arm provides precise, fine-tuned adjustability
- 18″ reinforced gooseneck offers strong yet flexible positioning
- Durable composite rail bracket and optional floor hardware ensure secure installation
Compatible with anyholder ordevicethat utilizes a4-hole AMPS mounting pattern.
Works with most* Garmin devices that use the AMPS mounting pattern.
Supported Garmin models include:
- Garmin Overlander
- Garmin Tread Overland
- Garmin Tread Powersport
- Garmin Montana 600 series
- Garmin Montana 700 series
- Garmin GPSMAP 276Cx
- Garmin GPSMAP 66i
- Garmin GPSMAP 66sr
- Garmin zūmo XT
- Garmin aera 500 / 550 / 560
*Please confirm AMPS mounting pattern compatibility with the manufacturer.
- Design: Reinforced composite and aluminum mount featuring an 18″ flexible gooseneck, a double socket swivel arm, and a 4-hole AMPS adapter head.
- Model: RMSWA8825MM
- Materials: Reinforced Composite & Aluminum
- Arm Length: 18″ Gooseneck
- Secondary Arm: OCTO™ Series 4.25″ Shaft Arm
- Base Mount Type: Seat Rail
- Product Weight: Approx. 1.13 lbs (512 g)





























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