The Arsenal SLR-101 is the 5.56x45mm variant in Arsenal's SLR commercial AK line, chambered for NATO-standard 5.56x45mm rather than 7.62x39mm. The action is scaled to accept M16/AR-15 magazines in some configurations or proprietary AK-74-pattern 5.56mm magazines. A niche variant bridging the reliability reputation of Bulgarian AK manufacturing with NATO-standard ammunition compatibility. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 30 Year introduced: 2004, USA/Bulgaria Weight: 75 oz Overall length: 35" Status: Discontinued Intended use: sporting, nato_compatibility