Specifications
| Upper | |
|---|---|
| Bolt | 9310 Tool Steel |
| Other | |
| Carrier | 8620 AQ Steel |
| Heat Treatment | Full MIL-SPEC |
| Inspection | Magnetic Particle Inspection (MPI) |
| Lugs | Back of lugs chamfered for reliability |
| Extractor | S7, with spring, insert & O-ring installed |
| Finish | Full Nickel Boron finish |
| Gas Key | Staked, with Grade 8 fasteners |
| Profile | M16 cut |
| Upper | |
| Forward Assist | Serrations |
| Other | |
| Materials | 100% Made in America |
| Barrel | |
| Caliber | 5.56mm NATO, .300 BLK |
Nickel Boron M16 BCG (5.56 / .300 BLK)
Dominate any range with this precision-crafted M16 Bolt Carrier Group (BCG). Designed for seamless compatibility with 5.56 NATO and .300 Blackout, this BCG ensures flawless cycling and extraction in any build. Every component is treated with a premium nickel boron finish for exceptional corrosion resistance, ultra-low friction, and effortless cleaning, delivering smoother operation than standard coatings. Built to exacting Mil-Spec standards, it’s the ultimate choice for reliability and performance.
Precision-machined 9310 steel bolt and 8620 steel carrier, fully nickel boron coated Compatible with 5.56/.223 and .300 Blackout barrels for versatile performance Full nickel boron finish for superior lubricity and wear resistance
Compare all four finishes in the AR-15 BCG guide.
Mil-Spec construction with staked gas key and shot-peened bolt for rugged reliability Elevate your AR15 build— order now!
Nickel Boron M16 BCG (5.56 / .300 BLK) questions
Does it ship free?
Orders of $399 or more ship free.
Is there a warranty?
Yes. One Horse backs it with a Limited Lifetime warranty.


