TruGlo Brite Site Tritium Pro Front/Rear Green Night Sight Set for HK VP9/VP40/P30/HK45 3-Dot Configuration Front White Focus Lock Ring Steel Black. Tritium is a form of hydrogen that emits a continuous light source when batteries are removed or...
TruGlo Brite Site Tritium Pro Front/Rear Green Night Sight Set for HK VP9/VP40/P30/HK45 3-Dot Configuration Front White Focus Lock Ring Steel Black. Tritium is a form of hydrogen that emits a continuous light source when batteries are removed or...