本规范涵盖了准直器，无限瞄准参考:M1A2，由带整体三脚架和盖子的准直器组成。该设备在本规范中被称为“UIC准直器”

This specification covers the Collimator, Infinity Aiming Reference: M1A2, which consists of a collimator with integral tripod and cover. This equipment is referenced throughout this specification as "UICollimator."