G&G STP45 CO2 GBBP Macaron Blue nineball Forged M4 7075 aluminum upper

Forged M4 7075 aluminum upper receiver with ejection port and forward assist

Weight - 4600g

They are designed for ride height selection

For LCT ZK-12 / ZK-12U / Zsport-12 Kit／Zsport-12Ｕ Kit

PTS ZEV fulcrum adjustable trigger

G&G STP45 CO2 GBBP Macaron Blue nineball Forged M4 7075 aluminum upperDurable G&G Polymer Slide: The STP 45's slide is constructed using G&G's signature polymer, ensuring high durability for heavy use and abuse. Patented PAI Hop Up System: PAI is G&G's latest standard when it comes to pistol manufacturing to guarantee a high quality product when focusing on Precision, Accuracy, and Innovation. The Precision aspect of this refers to the strict manufacturing process that ensures that each STP 45's hop up utilizes a strict