Archwick B&T Air APC9K SD2 GBB SMG color-dual-tone-orange better efficiency than any brushed

better efficiency than any brushed motor available and still get super low operating temps just not quite at the level of the fully hand built CNC black version

Compatible with KJW KP13s

The replica also features a sealed nozzle that works great with a new AK rotary hop-up chamber and with a 6

Ultralite Construction

Archwick B&T Air APC9K SD2 GBB SMG color-dual-tone-orange better efficiency than any brushedFeatures Officially licensed B&T APC9K Fully engraved markings to match the real thing Precision CNC machined 6061 T6 aluminum upper receiver, handguard, mock suppressor, & bolt. Upper receiver finished in a milspec type III hard anodized finish CNC machined S45C steel internals Ultra durable steel outer barrel with tri lug flash hider TDC direct pressure hop up unit with Tokyo Marui MWS spec bucking 1913 Picatinny handguard rails at 3, 6, & 9 o'clock