CYMA 30 Rds Lancer L5AWM .300BLK Style Magazine for CGS / Marui MWS M4 GBB ( LC-MG-0001 )

These mags are hard to find not only do they have them but there cheaper than everywhere else and they work perfectly thank you for the fast delivery

These mags are hard to find not only do they have them but there cheaper than everywhere else and they work perfectly thank you for the fast delivery

I got four altogether but this one don’t work can someone help me