Laylax got this video out for those who want to replace the inner barrel of the Krytac KRISS Vector gas blowback SMG. The high-precision inner barrel under the Nineball brand is crafted from rigid stainless steel, boasts a dimensional accuracy of 1/100 mm, ensuring a snug fit for BB bullets and preventing any shaking. With an inner diameter of φ6.03 mm and a total length of 120 mm, this meticulously engineered barrel aims for optimal performance and accuracy.