Crusader - Dummy Piston Rod for VFC/Umarex P7M13 AIRSOFT GBB Pistol /P7 Tacticalgear an automatic breather valve that

an automatic breather valve that allows pressure equalization while preventing liquid ingress to Mil-STD-648C

None of them look pristine or clean once it is out of the factory

forging a new trail and leaving old conventions behind

but then the HK416 could easily be mistaken as an M4

Crusader - Dummy Piston Rod for VFC/Umarex P7M13 AIRSOFT GBB Pistol /P7 Tacticalgear an automatic breather valve thatFor VFC Umarex P7M13 GBB pistol use only! Required to DIY ability. This is a dummy parts for internal display and has no additional functionality. To install the piston rod, users need to disassemble the P7M13 slide and outer barrel assembly, required to DIY ability. Please be sure to consider this before purchasing. It is recommended to use the short pin (1 piece) for installation; the remaining pins are spares. The product pictures are for