Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group Nickel Boron - $99.95

Description

The Dirty Bird Industries Nickel Boron Bolt Carrier Group is built for shooters who want smoother operation, easier maintenance, and dependable performance from their AR-15. Its nickel boron coating reduces friction, helps resist carbon buildup, and improves cleanup after hard use. Built to Mil-Spec dimensions with quality materials throughout, it is a strong upgrade for .223, 5.56 NATO, and .300 Blackout rifle builds.
Features
Compatible with 5.56 NATO, .223 Remington, and .300 Blackout
Nickel boron coating on the bolt, carrier, and gas key
Reduced friction for smoother cycling
Helps prevent carbon buildup for easier cleaning
Forward assist serrations
Shrouded firing pin
Forged Mil-Spec gas key with Grade 8 hardware and proper staking
Made in the USA
Backed by the Dirty Bird Industries Lifetime Warranty
Specifications
Platform Compatibility: AR-15
Caliber Compatibility: 5.56 NATO / .223 Remington / .300 Blackout
Carrier Material: 8620 tool steel
Bolt Material: 9310 carpenter steel
Finish: Nickel boron
Gas Key: Forged Mil-Spec, properly staked
Hardware: Grade 8
Inspection: Magnetic particle inspected
Bolt Treatment: Shot peened
Extractor: Tool steel
Extractor Spring Setup: Mil-Spec spring, black insert, Viton O-ring
Weight: 11.52 oz
SKU: D257