MI 5.56/223 Gold TiN Titanium Nitride C158 Bolt Carrier Group M16 BCG AR-15 AR15 Midwest Industries

MI 5.56/223 Gold TiN Titanium Nitride C158 Bolt Carrier Group M16 BCG AR-15 AR15 Midwest Industries

Assembled Bolt Carrier Group for AR-15/M16

• 8620 M16 style carrier
• Titanium Nitride coating on carrier
• Properly heat treated
• Final grind before plating
• Carpenter 158 5.56/.223 bolt
• Shot peened
• Precision ground for perfect dimensions
• H&M Black Nitride finish on bolt
• MPI - Magnetic Particle Inspected
• 4140 Billet Gas Key
• Properly torqued with Grade 8 fasteners
• Properly staked to ensure reliability
• 4140 Cam Pin
• Billet Machined Extractor
• Extractor insert included
• O-Ring included
• Firing pin precision machined from 17-4 H-900 Stainless Steel
• 100% USA Made
• Midwest Industries Limited Lifetime Warranty