Toolcraft Cage Code carrier (gov contract specs)
8620 steel
Heavy Duty M16 design
Grade 8 Gas Key Screws, Staked
Gas Key Material - 4140
Chrome lined gas key and carrier interior
Manganese Phosphate per Government Spec
Government contract 1B1B6 engraving
| UPC | |
| MFG | Toolcraft | 
| MODEL | TOOLCRAFT .223/5.56 BOLT CARRIER CAGE CODE 1B1B6 | 
| TITLE | TOOLCRAFT .223/5.56 BOLT CARRIER CAGE CODE 1B1B6 |