Davidson Defense "The Lefty" Premium Left Handed M16 AR-15 Black Nitride Finish Bolt Carrier Group BCG & Ambi Charging Handle Combo
We are proud to announce the release of our Left Handed Black Nitride AR/M16 .223/5.56 Bolt Carrier Groups.
Included is the epically popular Lakota Ops Ambi Charging Handle.
This is the ideal must-have set up for left handed shooters.
- 8620 Tool steel Enhanced Radius design (Angle Cut) Bolt Carrier with inside and out H&M Black Nitride Treatment
- Certified 9310 Steel MPI Bolt Head with inside and out H&M Black Nitride Treatment
- Extractor has Black Insert and O-Ring upgrade
- Billet Machined 4140 Steel Gas Key (designed to handle the heat)
- USA Made Grade 8 Fasteners
- Military Specification Gas Key Staking
The Carrier is Nitride Super Smooth Finish /Bolt Head is 9310 Nitride Melonite Coated
These are the same that are going into the guns our troops are using, with one enhancement, the nitride finish. Which is a longer lasting bolt group even when the finish wears the nitride keeps working to stop corrosion increase lubricity.
So, what is Nitride Finish?
Metal components treated with Nitride finishes have increased wear-resistance, fatigue strength, corrosion resistance and cosmetic appeal. Nitride replaces the processes of hard chrome or nickel plating. Black nitride gives better corrosion protection.