SLR-B15 Billet Upper Receivers are machined in house from 7075 Billet. Designed and manufactured to fit flush with any AR/M4 lower receiver.
- Very tight and flush fit fitting all milspec AR15 lowers
- Innovative and unique design featuring lightning cuts through out
- Material: 7075 Billet
- Finish: Black Type 3 Mil-Spec Hard Coat Anodize
- Includes door assembly and black billet shell deflector
- Weight: 7.6oz