Description
Must have upgrade for all HK owners. Our Action 3 roller retainer spring upgrade spring for all 1st Generation bolt heads (replaces the oval shaped roller retainer plate). The roller retainer plate is one of the most common replacement or breakage parts and is found on the older HK style bolt heads. HK made a wire spring as an upgrade for later production bolt heads to improve longevity of this part. We now offer a roller retainer spring that is 100% retrofit-able to the old style bolt heads found on all the following:Drop in upgrade for the following HK rifles or pistols:
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- HK91, G3, PTR91, C308 & Cetme
- HK93, 33, 53
- HK94, MP5
- SP-89, MP5K
- All Zenith and POF models
- Any HK or clone that uses the older plate style roller retainer plate (oval shaped)
Additional Information
Age Group: |
adult |
Expiration Date: |
5/10/2019 |
Firearm Model: |
HK 93/53/33 |
Firearm Model: |
HK MP5 |
Firearm Model: |
HK SP89 |
Firearm Model: |
HK 91 |
Firearm Model: |
HK G3 |
Material: |
Spring Steel |
1 Review
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These are easier to install than the old style plate. So far I?ve installed one and have bought seve...
These are easier to install than the old style plate. So far I?ve installed one and have bought several more as spares.