The ULTIMATE® Upgrade Series cylinder head have been CNC manufactured in machine-aluminium and thereafter anodized with a colour code for easy recognition

We recommend our Valken Kilo Tracer Unit for use with Accelerate BBs

and lightweight yet very strong due to its construction using high performance reinforced polymer

integrated cheek rest and adjustable length of pull

Primary Airsoft GLOCK/AAP-01 HPA M4 ADAPTER Krytac The ULTIMATE® Upgrade Series cylinderOur 4th generation Glock M4 adapter is injection molded from a strong glass reinforced nylon material. The magazine release is now CNC machined aluminum for all Gen4 Primary Airsoft adapters. This adapter allows you to use HPA (high pressure air) and M4 AEG magazines on your Glock airsoft pistol. To use it you will also need an M4 AEG magazine, paintball tank with low pressure regulator (0 140) psi, a hose with a Foster (polarstar) quick disconnect