a must have in your back up range tool kit
Delivery: 5
Design: 5
Quality: 5
Value for money: 5
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Brand: H&K Heckler & Koch
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
MPN: 50221125, 221125
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