Specna Arms - SA-B12 M4 8" KeyMod AEG m45a1 Designed for use with our

Designed for use with our patented removable AirFlex™ Combat Knee Pads

SHS 16:1 gears

Lazer MOLLE webbing attachments

The price/quality ratio of X-shield helmets makes them stand out in the crowd of other products of the type

Metal Adjustable Sights

Specna Arms - SA-B12 M4 8" KeyMod AEG m45a1 Designed for use with ourNew in from Specna Arms is this SA B12 8" KeyMod Rail M4. 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 main Spring can