Name: Midwest Industries 556 Bolt Carrier Group C158 Carpenter Steel Black Nitride Coating MI-BCG-NIT
SKU: MI-BCG-NIT
Availability: InStock

Description

Assembled Bolt Carrier Group for AR-15/M16
8620 M16 style carrier
- Black Nitride finish
- Properly heat treated
- Final grind before plating
· 9310 Steel 5.56/.223 bolt· Shot peened· Black Nitride finish· 4140 Gas Key
- Black Nitride finish
- Properly torqued with Grade 8 fasteners
- Properly staked to ensure reliability
· 4140 Cam Pin
- Heat Treated
- Black Nitride finish
· Machined from solid 4140 bar stock, heat treated and shot peened· Extractor insert included· Firing pin precision machined from 17-4 H-900 Stainless Steel· Midwest Industries Limited Lifetime Warranty
· 100% USA Made
· O-Ring included
· Phosphate coated for reliable extraction
· MPI – Magnetic Particle Inspected
· Precision ground for perfect dimensions
· Heat treated

Midwest Industries 556 Bolt Carrier Group C158 Carpenter Steel Black Nitride Coating MI-BCG-NIT

Description

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