B02 Dynamic Blowback Housing (Piston Head version) - Black G17 Gen4 SS Guide Rod Set - Silver The harder rubber compound is

The harder rubber compound is more durable and performs well with higher-velocity GBB platforms

Hop-Up chamber for M4-type replicas

especially for the longer versions

How to install barrel spacers

Features realistic colors with 3D leaves arranged in natural

B02 Dynamic Blowback Housing (Piston Head version) - Black G17 Gen4 SS Guide Rod Set - Silver The harder rubber compound isB02 Blowback Housing (Piston Head ver.) Highlighted features 7075 Aluminum material with CNC machined Ultra lightweight design Durable construction prevents flexing and warping under hard use Provide stable and smooth blowback cycling Compatible with stock TM piston head and COWCOW piston head (CCT TMHC 054) Piston head is not included in the package Available in Silver & Black For TM Hi CAPA 1911 Series B02 Blowback Housing is precision CNC machined