Specna Arms - SA-B12 8" Key Mod SAEC starter package As this is a GBB

As this is a GBB it has the real feel operation of a cycling closed bolt system

One of the most impressive things about this is the look of the outer barrel

there will always be an operator not to far away carrying an version of the classic MP5

Specification

The BO Dynamics M4 is manufactured to the highest quality and uses internal parts made by Lonex

Specna Arms - SA-B12 8" Key Mod SAEC starter package As this is a GBBNew in from Specna Arms is this SA B12 8" KeyMod Rail M4 with SAEC system. This model features a 8 modular, KeyMod handguard. The KeyMod module can be expanded upon with dedicated segments, for instance, RIS rails (KeyMod nuts) in any position or configuration due to holes around the handguard (KeyMod slots) its also fitted with a Crane Style Stock and a Marine traded marked metal body. The gearbox is rewired and is the new SAEC system which means the