BONEYARD Viper Tech M4 Custom GBBR

Airsoft Boneyard Gun Venerable WA Gas System G&P Aftermarket Hop-up Unit Short Stroked Bolt Includes 2 Knights Armament Rail Covers Comes with 50-round Prowin Gas Magazine This is an Airsoft Boneyard gun which means it is NOT in brand new condition and is sold as is. Boneyard guns may or may not be in working order. No returns or exchanges are accepted for Boneyard purchases. This product is only compatible with gas designed specifically for Airsoft guns. Do not use lighter fluid or butane gas, as that will cause permanent damage.