This is a HK AR known as the MR762A1 chambered in 762NATO, model 81000540.
The MR762A1 is a semi-automatic rifle developed by Heckler & Koch as a premium level commercial/civilian firearm with match rifle capability. Like the entire line of HK416/HK417/MR556A1 long guns" the MR762A1 is a major product improvement over conventional AR-type carbines and rifles. The MR762A1 uses the HK proprietary gas piston operating system" employing a piston and a solid operating "pusher" rod in place of the gas tube normally found in many AR15/M16/M4/AR10-type firearms.
Features:
Caliber: 7.62x51mm
4.5-5.6 lb Two stage trigger
5-Position Stock
