Perhaps you might want to do some zombie killing in style? If you have US$2,750.00, then you can get one of these custom Airsoft Surgeon Zombie Hunter Gas Blowback Rifles available at RedWolf Airsoft... "Clarence Lai, AKA Airsoft Surgeon, is known for handcrafting fully fine tuned GBB Race Pistols and the occasional M4 GBBR which are upgraded with incredibly reliable internals, air seal parts are carefully reworked to perfection and the final outcome looking exquisite.
Here's a quick review of the APS CAM870SF Zombie Hunter Shotgun which Bunny Workshop now has in stock... "CAM870MSF provide you a real feel of handling. Because of the cocking action, that are distinguished in the way in which spent shells are extracted and fresh ones are chambered.
Airsoft GI just announced that they now have the Zombie Hunter, which is a customized AEG whose parts were culled from various known airsoft manufacturers... "Ask and you shall receive. You wanted custom built guns at an affordable price and we gave them to you. Then you asked for full metal custom built guns at an affordable price, and here they are. The Airsoft GI Zombie Hunter is a solid AEG inside and out.