TRITON MFG BILLET UPPER RECEIVER SLICK SIDE CLICK HERE TO ORDER: AUTHORIZED DEALERTRITON MFG BILLET UPPER RECEIVER SLICK SIDE- #TR15SSRead more … Posted on October 12, 2015 by TRITON MFG and filed under PARTS and tagged BILLET UPPER RECEIVER GUNS AR15 WEAPONS PEW AMERIA AMERICA MADE IN VIRGINIA BEACH VIRGINIA BEACH VIRGINIA.