Obsidian Arms Enhanced AR-15 Bolt Carrier Pin Kit
Maximize reliability and wear resistance in your AR-15 carrier group.
The Obsidian Arms Enhanced AR-15 Bolt Carrier Pin Kit is designed to improve the durability, performance, and corrosion resistance of your AR-15’s bolt carrier group. This premium upgrade kit includes an enhanced firing pin and cam pin, both hard chromed for minimal friction and extended service life, along with a nickel-plated retainer pin for added smoothness and reliability.
Crafted from 4340 alloy steel, each component is heat-treated and engineered to withstand the rigors of high-volume shooting. Whether you’re replacing worn parts or upgrading a new build, this American-made kit ensures long-lasting, precision function in any AR-15 platform.
Features
- 4340 alloy steel for high strength and fatigue resistance
- Hard chromed firing and cam pins for smooth operation and corrosion protection
- Nickel-plated retainer pin for enhanced wear resistance
- Heat treated for durability under high-stress conditions
- Made in the USA
Includes
- Enhanced Firing Pin – Hard Chromed
- Enhanced Cam Pin – Hard Chromed
- Retainer Pin – Nickel Plated




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