SILVA Expedition 4-6400/360 Compass

£49.95

Dual graduation in 6400 mils and 360 degrees
Dampened, fast-settling needle for quick, steady bearings
Multiple roamer scales for map work and grid references
Trusted military and expedition-grade navigation tool
Duke of Edinburgh’s Award recommended
Compact, lightweight build with lanyard included

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Description
Specification

A serious navigator’s compass

The Silva Expedition 4-6400/360 is a proven baseplate compass built for people who navigate for real. Graduated in both 6400 mils and 360 degrees, it bridges civilian map work and military-style precision in a single, dependable tool.

Quick, confident bearings

A liquid-dampened, fast-settling needle comes to rest in around five seconds, so you take steady bearings quickly rather than waiting for a wobbling needle to calm down. Accuracy of around one degree keeps you on line over distance.

Built for map work

Multiple roamer scales along the clear baseplate let you plot and read grid references accurately across standard map scales, cutting errors and saving time when the pressure is on. It is a Duke of Edinburgh’s Award recommended choice for exactly this reason.

Tough and travel-ready

At just 36g and 126 x 60 x 10 mm, the acrylic-housed compass slips into any pocket or map case and rides on the included lanyard. With no batteries or electronics, it simply works, in any weather, as a primary tool or a reliable GPS backup.

Kit that earns its place

Whether you are training for an expedition, teaching land nav or keeping a solid backup in your pack, the Expedition 4 is a lifelong bit of kit. Explore more of our outdoor and field gear to round out your setup.

Product information reviewed by James Smith. Every gun is checked & serviced by our Rochester workshop before dispatch.

General
Brand	Silva
Dimensions
Weight	36g
Other
Graduation	6400 mils and 360 degrees
Resolution	2 degrees / 50 mils
Accuracy	Plus or minus 1 degree (17.8 mils)
Model	Expedition 4-6400/360
Needle	Dampened, fast-settling
Settling time	Approx 5 seconds (full)
Housing material	Acrylic
Dimensions	126 x 60 x 10 mm
Features	Roamer scales and lanyard
Recommended for	Duke of Edinburgh's Award

Recommended upgrades & accessories

Frequently asked questions

What is the difference between mils and degrees on this compass?

This model is graduated in both. Degrees (360) suit everyday hill and map navigation, while mils (6400 to a full circle) give the finer angular precision used in military and artillery contexts. You can work in whichever your task needs.

Is it suitable for Duke of Edinburgh expeditions?

Yes. The Silva Expedition 4 is a DofE-recommended baseplate compass with the roamer scales and clear graduations needed for expedition map work at Bronze, Silver and Gold levels.

How fast does the needle settle?

The needle is liquid-dampened and fast-settling, coming to rest in around five seconds so you can take a steady, accurate bearing quickly even on the move.

What are the roamers for?

The roamer scales along the baseplate let you read and plot grid references accurately on standard map scales, speeding up navigation and reducing errors when pinpointing a location.

Does it work in the field without batteries?

Yes. It is a fully mechanical magnetic compass with no batteries or electronics, so it works anywhere, any time, making it a reliable backup to GPS as well as a primary navigation tool.

SILVA Expedition 4-6400/360 Compass

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