Limit (2) Per Order
100% made in USA to current USGI M4A1 specifications.
The USGI full auto bolt carrier is Manganese Phosphate coated outside and Hard Chrome lined inside. The Mil-Spec gas key is chrome lined and secured with properly staked Grade 8 fasteners to ensure reliable gas system performance.
Carpenter 158 bolt is shot peened, HP tested and MP inspected.
|Shipping Restriction||ITAR/Export Restricted|
|Bolt Carrier Cut||Full Auto (FA)|
|Finish||Manganese Phosphate Parkerization|
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