DPMS AR-10 Magazine Catch Assembly One Size. Build maintain or upgrade your AR-10 today DPMS Panther Arms... your first AR-10 is BACK Specifications for DPMS AR-10 Magazine Catch Assembly: Manufacturer: DPMS Gun Make: AR Platform Gun Model: AR-10 Package Contents: DPMS AR-10 Magazine Catch Assembly What firearm models does the manufacturer say DPMS AR-10 Magazine Catch Assembly is compatible with? The manufacturer says that DPMS AR-10 Magazine Catch Assembly is compatible with AR-10DPMS DP51655130090: AR-10 Magazine Catch Assembly One Size