** The BCM Complete Lower is California legal AS IS. Additional CA compliant parts or modification are the buyer's responsibility when built into complete rifle. **
- Receivers Machined from Aluminum Forgings 7075-T6
- Receivers Hardcoat Anodized per MIL-A-8625F, Type III, Class 2
- MK2 buffer and rifle M16 action spring
- Fire Controls marked SAFE and SEMI
