Core 15 machines uppers and lowers from forgings in-house using thier own CNC machines and ships them off to a local company to be anodized. Anodizing is an electro-chemical process that is best done by people who know how to do it!
The carrier is 8620 steel and chromed inside, as it should be. The bolt is made of Carpenter 158 and magnetic particle inspected. The gas key on the carrier is well staked, a sign of paying attention to the details. The chamber passes the 5.56 test.
The lower is also 7075-T6, forged, Type III Class II anodized. The front of the magazine well has serrations, for those who have the opposite approach to the off hand and wish to grab the lower receiver for support. The stock, pistol grip, sights and included magazine are all Magpul.
Six position stock.
1 in 7" Twist
30 Round Capacity