-M16 full auto profile
-Tough and lubricious Nitride finish
-8620 Steel carrier Nitrided
-4130 Steel gas key Nitrided
-Gas key staked to mil spec requirements
-Carpenter 158 Bolt
-Black extractor insert
-Mil-Spec Crane 0-Ring
-Mil-Spec extractor spring
MADE IN THE USA
| UPC | |
| MFG | Thoroughbred Armament Company LLC |
| MODEL | BCG C158 Nitride |
| TITLE | Thoroughbred Armament Company BCG C158 Nitrided |