Specna Arms ONE bbs provide exemplary quality and performance. Careful precision is employed during production, ensuring their 5.95mm diameter is accurate to within +/- 0.005mm. Further refinement follows, with each BB polished, coated for optimal friction, and checked for any irregularities. This process keeps weight differences of single BBs at an impressive 0.01g, making them suitable for both regular and precision barrels. Additionally, their symmetrical center of gravity allows for consistency of fire over multiple shots. Perfectly designed to partner with Hop-Up buckings, these bbs are sure to impress.