The Arsenal SAM5 is the 5.45x39mm variant of the milled-receiver SAM7 platform — the same premium Bulgarian milled receiver built for the Soviet AK-74 cartridge rather than 7.62x39mm. The 5.45x39mm offers flatter trajectory, higher velocity, and reduced felt recoil compared to 7.62x39mm at the cost of terminal performance. A niche choice among AK enthusiasts who want milled-receiver quality with the AK-74 cartridge. Type: Rifle Action: Semi-Automatic Caliber: 5.45x39mm Capacity: 30 Year introduced: 2007, USA/Bulgaria Weight: 80 oz Overall length: 35" Status: Active Intended use: sporting, collector