Cmmg action tuning kit mkg/mkgs/mk57
FEATURES:
-Allows you to adjust the action to your preference much like changing buffers or changing gas port settings
on an adjustable gas block
-1 oz weight, 2 oz weight, 3.4 oz weight (standard 9mm), (3) .250"x.625" roll pins
- Availability: 700 In Stock
- Model: '815835018751
- SKU: 45AFF17
- Brand: Cmmg
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