SLR-B56 .458cal Billet Upper Receiver with forward assist
- Machined in house from 7075 Billet
- Receiver ejection port modified for .458 case length
- Built in shell deflector
- Drilled for SLR ZRO HG dowel pin
- Works on all AR15 type lowers
- Relief for Geissele HG locating set screws (2023)
- Black Type 3 Mil-Spec Hard Coat Anodize
- FA assist held in by threaed post, no roll pin to install.
- Includes door assembly and forward assist installed.
- 7.6oz
