G&P 12.5 inch Upper Cut M LOK for Marui M4 / M16 & WA M4A1 Series Rifle (Gray)

G&P 12.5 inch Upper Cut M LOK for Marui M4 / M16 & WA M4A1 Series Rifle (Gray) Metal Construction M LOK System Handguard Can Fit G&P Front Set & GBB Metal Body For Marui M4 / M16 Series & WA M4A1 Series Length: 317mm