** The F-1 Firearms Stripped Lower is California compliant as is. CA compliant parts are buyers responsibility when built into rifle. **
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The F-1 Firearms UDR-15 Universal Lower Receiver is made with 7075-T6 aircraft quality domestic aluminum, ensuring quality, and offers F-1 Firearms skeletonizing for reduced weight and aesthetics.
Manufactured from high-grade 7075-T6 billet aluminum
Unnecessary surfaces milled out for lightest reliable configuration
Oversized trigger guard
60° beveled magwell
Black - Type III Class 2 hard anodizing
F-1 Firearms 100% Product Guarantee
