Guarder 6.02mm Interchange Barrel for M4A1/SR-16/S-System/SG551 (Original Length, 363mm) Russian APM50 is a brand new

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

was a simple blowback design

- Suitable for 20mm rails

It was first used in later stages of the Philippine-American War

Manufactured by VFC More Information Coming Soon System: Gas Blowback

Guarder 6.02mm Interchange Barrel for M4A1/SR-16/S-System/SG551 (Original Length, 363mm) Russian APM50 is a brand newFor 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