Description
H&K Heckler & Koch HK Spring – Roller Holder – Retainer – Action 3 Roller Retainer Spring Second-generation roller holder. Each retainer fits all Action 3 9mm MP5 & MP5K bolt heads & MP5 40/10 bolt heads. The roller retainer spring is a common repair and replacement item and a must have for your spare part package. The roller retainer spring retains the 2 rollers captive in the bolt head assembly.
- 1st generation oval-shaped roller retainer plate (only style up until 1989)
- 2nd generation “S” shaped wire part HKP-00068 (1989 until present)
- 3rd generation thinner stamped steel F style plate (will only work in F style bolt heads 1999-present)
Compatible With:
- HK Action 3 9mm MP5
- HK Action 3 9mm MP5K
- HK MP5 10mm/.40 S&W
