Guarder 6.02mm Interchange Barrel for M4A1/SR-16/S-System/SG551 (Original Length, 363mm) Russian - Functional Bolt Safety System

- Functional Bolt Safety System - Bolt hold & trigger turn to safety when magazine is empty

was a simple blowback design

- Suitable for 20mm rails

Trigger Sear and Spring Guide Stoper  Suitable for APS2 Series Airsoft Rifle

APM50 is a brand new gun that never exists in the market before

Guarder 6.02mm Interchange Barrel for M4A1/SR-16/S-System/SG551 (Original Length, 363mm) Russian - Functional Bolt Safety SystemFor Most Airsoft Electric Gun (AEG) BRASS constructed precision barrel at 6. 02mm diameter Built for extra power and precision shooting Choose this barrel to suit your AEG model For custom upgrade user, you can choose a longer barrel If this one is not suitable for you, please search our store for the one you need NOTE: You can always choose a longer or shorter Barrel if you have a extended Outer barrel installed SKU G TN 04 Major Color Chrome Length