Century Arms RI2880N: CALIBER: 7.62x39mm - CAPACITY: 30 rds. - BARREL: 16.5 - OVERALL: 37.25 - WEIGHT: 7.5 lbs - 100% American made - Barrel 1:10 twist concentric Left Hand 14x1 metric thread and ready for a variety of muzzle attachments - Chrome moly 4150 nitride treated barrel - Milled 4140 ordnance quality steel receiver - 1st AK side scope rail mount to offer a return to zero capability also offers four times clamping improvement over traditional side scope rail mounts and improves sight acquisition for follow-up shots - RAK-1 Enhanced Trigger Group - Larger T shaped magazine catch - Compatibility with AKM furniture - Standard AKM rear sight with Front sight gas block combo - Retaining plate - Bolt hold-open notch on the safety selector - Proprietary Chevron muzzle brake - Bolt carrier tail heat treated to ensure maximum performance and life - Accepts all standard AK mags. - Walnut wood furniture - Comes with one 30rd. mag.