DPMS AR-15 Takedown/Pivot Pin Assembly One Size. These high-grade pins are machined to exact tolerances providing a secure hold between your upper and lower receiver while also allowing easy disassembly when necessary. Specifications for DPMS AR-15 Takedown/Pivot Pin Assembly: Manufacturer: DPMS Finish: Polished Gun Make: AR Platform Gun Model: AR-15 Package Contents: DPMS AR-15 Takedown/Pivot Pin Assembly What firearm models does the manufacturer say DPMS AR-15 Takedown/Pivot Pin Assembly is compatible with? The manufacturer suggests that DPMS AR-15 Takedown/Pivot Pin Assembly is compatible with AR-15DPMS DP51655130099: AR-15 Takedown/Pivot Pin Assembly One Size