Night Fision Optics Ready Stealth Heckler & Koch Night Sight Set HK VP9 w/ DPP/509t/Acro Orange Front Ring HAK-127-480-517-OGZG. Like all night sights Night Fision uses self-illuminating Tritium to get the ''always on'' glow that makes them so...
Night Fision Optics Ready Stealth Heckler & Koch Night Sight Set HK VP9 w/ DPP/509t/Acro Orange Front Ring HAK-127-480-517-OGZG. Like all night sights Night Fision uses self-illuminating Tritium to get the ''always on'' glow that makes them so...