Specna Arms SA-A02 M4

Lightly used Specna M4 which has had the following upgrades; Mapleleaf Hop Rubber Mapleleaf Hop Nub Mapleleaf Uprated spring (cannot remember the specific model of spring) Generic Barrel Extension Mapleleaf Tight Bore 6.01mm barrel (extended to larger than stock) RIF has only truely been used less than 10 times and less that 3 games with all the upgrades. Firing around 1.10 joules on .3s. More pictures apon request.