Laylax got this video that provides a thorough explanation of 13 parts that airsoft snipers must know when upgrading the Tokyo Marui VSR-10 G-Spec... "We always receive requests such as "I want such parts" for the The Tokyo Marui sniper rifle "VSR-10" that someone always has at the airsoft field where we went. LayLax also has a large lineup of internal custom parts such as cylinders and inner barrels, and exterior custom parts such as handles and underrails. This time, we will explain in detail the custom parts of Laylax, focusing on the recently released new products."