TRITON MFG COMPLETE LOWER - STANDARD TRITON MFG COMPLETE LOWER - STANDARDSPECIFICATIONS:TRITON MFG TR15 Billet LowerTRITON MFG Milspec Lower Parts KitMagpul MOE GripMagpul MOE StockRead more … Posted on October 27, 2015 by TRITON MFG and filed under LOWERS and tagged LOWER RECEIVER LOWER FIREARMS AMERICA VIRGINIA BEACH VIRGINIA AR15 usa m4 billet receiver. Share