Custom threaded replacement barrel for FN Five-Seven pistol. Barrel has 1:9 twist and is threaded for M10x1 threads on a lathe for precise concentricity. An excellent choice for use with a sound suppressor. Scheduled for release in March '10. (ON HOLD) KA-FN01.......................................................$TBA

Custom threaded adapter for KA-FN01 to install 1/2"x28 accessories on M10x1.0 threaded barrel. Scheduled for release in March '10. (ON HOLD) KA-FN02......................................................$TBA

Custom thread protector for KA-FN01 to prevent damage when not in use. Machined from hard brass for easy no-tool removal. Scheduled for release in March '10. (ON HOLD) KA-FN03......................................................$TBA