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- STG/CAR Universal Mainspring - High Rate
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- STG 43 Spare Parts & Accessories
- STG/CAR Universal Mainspring - High Rate
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- STG/CAR Universal Mainspring - High Rate
Product Description
Reduced power mainspring compared to original AR. The reduced resistance results in higher cyclic rates.
Used in:
STG Universal
STG 43
or can be used with standard CAR AR15s or M16s
