Description
Midwest Industries 556 Bolt Carrier Group C158 Carpenter Steel Features:
Midwest Industries is dedicated to manufacturing quality firearm components and accessories for a wide range of rifle platforms.
Midwest Industries 556 Bolt Carrier Group C158 Carpenter Steel Specifications:
- 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
- Heat treated
- Shot peened
- Precision ground for perfect dimensions
- Black Nitride finish
- MPI – Magnetic Particle Inspected
- 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
- Phosphate coated for reliable extraction
- 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
| Condition | New in Box |
|---|---|
| Finish Per Color | Black |
| Manufacturer | Midwest Industries |
| Manufacturer Part Number | MI-BCG-NIT |
| Model | 556 Bolt Carrier Group |
| Type | Misc AR Parts |
| UPC | 812102032946 |
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