PDI's classic W-Hold hop bucking for the AEP platform.

This drop in upgrade is tough enough to withstand frequent use, has a flexible design that is easy to adjust and reduces air loss. Inside, the "W-hold" shaped HOP rib holds the BBs at two points is used to ensure stable performance.

Soft nitrile rubber construction has a wide operating temperature range.

Compatible models:

• Tokyo Marui AEP pistols and SMGs