Description
HKP HK Parts Rear Sight Base Weldment for HK G3, HK91, PTR & HK93, 33 & 53, FMP21
New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each unit is precisely machined and the best rear base available.
Compatible With:
- HK91, G3
- HK33, HK53, HK93
- PTR91, PTR32, PDW
- G3K
- HK51
- FMP21 (NOT compatible with HK21 or HK21E)
- HK Clones or other custom builds
