Description
Carrier Specifications
- Material: 8620 Steel
- Type: M16 Full Auto (Preferred for most AR-15 builds)
- Gas Key Material: 4130 Steel; Grade 8 Gas Key Screws
- Coating: Black Nitride
Bolt Specifications
- Bolt Material: 9310 Steel | Shot Peened
- Extractor Material: 4140 Steel
- Caliber: 6.8 SPC
- Bolt Face Depth: .125 (measured from face to end)
- Type: Type II
- Mil-Spec O-Ring
- Mil-Spec Gas Rings (3)
- Cam Pin Material: 8620 Steel
- Firing Pin Material: 416 Stainless Steel
- Other: MPI Inspected
Legal Restriction:
Durkin Tactical is currently using a third party vendor to verify the legality of our parts. If you place an order that is not legal in your state, city, town, county, etc., your order will be cancelled, charged a 20% restocking fee and the remainder refunded. Please make sure that your order is legal in the state, city, town, county, etc. it will be shipping to.









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