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Obsidian Arms Enhanced AR-15 Bolt Carrier Pin Kit

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SKU: OA-AR-15-BCPK

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Obsidian Arms Enhanced Pin Kit: Hard Chrome 4340 Steel for Maximum Durability

Features

  • 4340 alloy steel construction for superior strength
  • Heat treated for enhanced durability
  • Hard chrome finish on firing pin and cam pin
  • Corrosion resistant coating
  • Minimal surface friction for smooth cycling
  • Nickel plated retainer pin
  • Made in USA

The Obsidian Arms Enhanced Pin Kit solves the premature wear problem of standard mil-spec pins by using 4340 alloy steel with hard chrome plating that resists wear and corrosion far better than standard phosphate-coated parts. This kit works exceptionally well for high-volume shooters, suppressed rifles that see increased carbon buildup, and builds where reliability and longevity matter more than cost savings. What sets this Obsidian kit apart is the hard chrome finish that reduces friction and prevents carbon buildup – your bolt cycles smoother and stays cleaner longer, and the 4340 alloy steel construction provides strength that won’t fail even under full-auto fire schedules.

Specifications

  • Brand: Obsidian Arms
  • Model: Enhanced AR-15 Bolt Carrier Pin Kit
  • MPN: OA-AR-15-BCPK
  • Material: 4340 Alloy Steel
  • Firing Pin Finish: Hard Chrome
  • Cam Pin Finish: Hard Chrome
  • Retainer Pin Finish: Nickel Plated

What’s Included

  • 1x Enhanced firing pin (hard chromed)
  • 1x Enhanced cam pin (hard chromed)
  • 1x Retainer pin (nickel plated)

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

If for any reason you have a warranty issue with one of Obsidian Arms’ products, please contact their Support Team at OASupport@ObsidianArms.com.  Please describe your situation, include your name, the product, and any images of the issue in your email. One of their technical specialists will then review your claim and contact you within 3-5 business days.

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