CMMG ACTION TUNING KIT MKG/MKGS/MK57
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product code:45AFF17
UPC:815835018751
Brand:CMMG
availability: In stock
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
