the more parts which are unique to each system and are not shared by other systems

The USW A1 is fully customisable with a non-reciprocating optics rail mount on the upper and a lower 20mm rail for flashlights

Laylax Gamma Heat gradation trigger

High quality silver anodized finish

PTS UNITY TACTICAL FAST MRO MOUNT Drum the more parts which areUnity Tactical FAST is a series of optic mounts that provide end users with a quicker sight picture than standard height mounts. The PTS Unity Tactical FAST MRO Mount is precision manufactured from black anodized 6000 series Aluminum Alloy and features a built in standard height windage adjustable rear back up iron sight (BUIS) that keep your airsoft guns uncluttered without reducing its capability. It also features the FAST offset accessory mounting