- New old stock
- Factory HK machine gun lower
- Will not work with semi-auto shelf-type uppers. ( Without modification )
- Ambidextrous 4 position type, Safe/Semi/2rnd. Burst/Full Auto)
- 9mm ejector leaver ( This pack will work on any roller lock series HK with the correct ejector )
- These are getting extremely hard to find…
- Only 1 available!