Data sheet
Description
RA-7547
BRAND RETROARMS
Gearbox.
Dural aluminum material aw 7075 t651.
Lightweight but extremely strong (590MPa).
Quick release spring guide system.
Spring guide and screws included.
For HPA series m4 / m16 series (version 2).
Weight 135gr.
N.B. Not compatible with MAXX cylinder heads.