Airsoft APS Guardian blowback M4. https://www.evike.com/products/88855/ - is the link to the gun This gun was upgraded. was never used but only for testing. and sat in my closest for 2 years. the blowback can be enabled and disabled. WHATS INCLUDED ~ - The gun - 5 brand new of 190 round BAMF mid cap magazines - 2 extra free random magazines - FREE A camo hat and balaclava - FREE A custom adjustable vest with mag holders - FREE tube of .25 BBS - A magazine that came with the gun - sling for the gun - FREE A red dot sight UPGRADES ~ - Upgraded Bucking - Upgraded (Prowin) hop up - Upgrades spring (for the 450 fps) SPECS~ - Full metal - Blowback - 380 FPS (with all upgrades 450 FPS) - Red dot sight - High quality i’m very flexible, if you just want the gun or a certain accessory message me and we can work things out. price is also very negotiable, I NEED GONE.