PTR Manufactured AR15 to HK 93,33,53 series stock adopter assembly. Each adopter unit will allow the use of AR15 stocks on your HK 93,33,53, C93/C53 or HK94, MP5 firearm.Each assembly includes the following:
- Factory Correct HK 93, 33, 53, back plate
- Patented HKAR15 Stock Adopter
- Complete buffer assembly
- Commercial buffer tube
- Castle nut installed.
- Just add any of many commercial AR15/M16 stocks of your choice and you are good to go.