BZ Tactical give their take on the VFC L403A1 KS-1 airsoft rifle, an airsoft replica of the weapon chosen under Project Hunter to replace the L85 and L119 series for the Royal Marines and British Army's Special Operations Brigade. The rifle is praised for its exceptional external quality, including authentic licensing, the correct 13.7-inch barrel length, and what they call one of the best FDE (Flat Dark Earth) paint jobs he has ever seen. Other features highlighted include full ambidextrous controls, a unique serial number, and the Royal Marines Commando logo engraved on the buffer tube.

Focusing on performance, the rifle features a new VFC Evo hop unit, an internal improvement designed to enhance consistency and better handle heavier BBs, even though it makes adjustment slightly more difficult. They note its very satisfying sound and significant recoil when test firing. Whilst acknowledging the high price, the video concludes that the VFC L403A1 is a superb, high-end gas blowback rifle that offers quality and authenticity close to the real thing, making it one of VFC's most impressive releases to date.