The Arsenal SLR-106FR is the 5.56x45mm NATO-chambered variant of the Bulgarian AK platform, featuring a milled receiver and accepting standard STANAG magazines. It bridges Eastern Bloc AK construction with NATO ammunition standardization. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 5.56x45mm Capacity: 30 Year introduced: 2007, Bulgaria Weight: 8.4 oz Overall length: 34.8" Status: Active Intended use: Range, Home Defense, Tactical