DPMS Panther Polished Fire Control Group Trigger One Size. We start with our standard single-stage government-style fire control group finely polish the contact surfaces and then coat the hammer and trigger in a super slick nickel finish. The result is a trigger that is substantially smoother than mil-spec. A great economical upgrade. Specifications for DPMS Panther Polished Fire Control Group Trigger: Manufacturer: DPMS Gun Make: AR Platform Gun Model: AR-10 AR-15 Finish: Nickel Package Contents: DPMS Panther Polished Fire Control Group Trigger What firearm models does the manufacturer say DPMS Panther Polished Fire Control Group Trigger is compatible with? The manufacturer suggests that DPMS Panther Polished Fire Control Group Trigger is compatible with AR-15 AR-10DPMS DP51655109765: Panther Polished Fire Control Group Trigger One Size