Purpose of Two-Tone Airsoft Guns In the UK, it's illegal for someone under 18 or without a valid defence (such as a UKARA membership) to purchase a realistic-looking airsoft gun. Two-tone coloring makes the airsoft gun "unrealistic", allowing it to be sold to those without a defence. What the Service Typically Includes: Painting a section (or multiple sections) of the airsoft replica in a bright color. Ensuring the paint is durable and doesn’t affect performance. Who Needs It? You need a two-tone gun if: You're under 18 You don't have a valid defence under the Violent Crime Reduction Act (like UKARA, skirmish site membership, re-enactment group ID, etc.) Important Notes: Once you have a defence, you can legally buy full black or realistic-coloured RIFs. A two-tone gun can be repainted back to a realistic color after purchase, but this must be done legally and responsibly. Two-tone does not affect performance, only aesthetics.