Joined
·
2,627 Posts
WTS:HK Raddlock - UMP Lower Only: $29.95
California Raddlock for HK UMP - HKPARTS.NET
Raddlock for HK UMP Lowers to convert them to Califoria legal with a bullet button. This only works on UMP lowers not USC lowers.
California Raddlock for HK UMP - HKPARTS.NET

Raddlock for HK UMP Lowers to convert them to Califoria legal with a bullet button. This only works on UMP lowers not USC lowers.