Are the last 2 features new or has Toolcraft always done this?
https://www.primaryarms.com/toolcraf...-group-nitride
Bolt Finish-Salt Bath Nitride
Bolt Material-Carpenter 158 Steel
Brand-Toolcraft
Caliber-5.56 NATO
Carrier Finish-Salt Bath Nitride
Carrier Material-8620 Carpenter Steel
Carrier Style-M16 Bolt Carrier
High Pressure Tested
Magnetic Particle Inspect