Battle Arms Development Enhanced Pin Set (BAD-EPS) for the AR308 style rifles. The set consists of the Enhanced Take-down Pin (BAD-ETP-308) and Enhanced Pivot Pin (BAD-EPP-308). Precision Swiss CNC machined from round stock steel bars, the BAD-ETP & BAD-EPP are case-hardened and finished in mil-spec black manganese phosphate. The BAD-EPS-308 features the following improvements and features: AR308 - Fits all DPMS 308 Variant receivers. Patent Pending Pivot Pin & Take-down Pin Head Designs - Greatly improved gripping surface and pull strength without the use of oversized heads. Low Profile Pin Heads - Low drag and never in the way. Lower profile Mfg: Battle Arms Development Inc.