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Rock-Op Chrome Lined Phosphate Bolt Carrier Group
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Rock-Op Chrome Lined Phosphate Bolt Carrier Group

$189.99
Chrome Lined Gas Key & Carrier
Chrome Lined Carrier & Gas Key
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Rock-Op Chrome Lined Phosphate Bolt Carrier Group
Product Details
Brand: Rock-Op Defense Solutions
  • M16 Style Carrier
    • Machined from 8620 Steel
    • Chrome-Lined
    • Heat Treated
    • Final Grind Before Plating
    • Manganese Phosphate Finish
  • Carpenter 158 Bolt 5.56/.223 Bolt
    • Heat Treated
    • Shot Peened
    • MPI Tested (Magnetic Particle Inspection)
    • Phosphate Finish
    • J-Contract Mil-Spec Gas Rings
  • Billet Gas Key
    • Machined from Solid Billet of 4130 Steel
    • Chrome-Lined
    • Properly Seated with Grade 8 Fasteners
    • Properly Staked: Rock-Op's Exclusive Stack-Six Staking!
    • Manganese Phosphate Finish
  • Cam Pin
    • Machined in 4340 and heat treated per TDP specs
    • Heat Treated
    • NP3 Finish
  • Billet Extractor
    • Machined from Solid Billet of 4140 Steel
    • Heat Treated
    • Shot Peened
    • Phosphate Coated
    • Extractor Insert Included
    • Viton O-Ring Included
  • Firing Pin
    • Machined from 8640 Steel
    • Hard Chrome Plated
  • 100% American Made
  • Single Ejector w/ Sprinco Cryo Treated Spring
  • *Phosphate coating and chrome lining—provides a BCG with excellent protection against wear and corrosion, making it a popular choice for those seeking reliability and longevity in their firearms. The phosphate coating provides an initial layer of protection, while the chrome lining offers additional durability and resistance to the stresses of repeated firing.*
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