PRODUCT DESCRIPTION PRODUCT SPECIFICATIONS AR-556 MPR 300BLK DES VERD 16" Barrel Length: 16.1" Manufacturer: Ruger Caliber: 300 AAC Blackout UPC: 736676085552 Thread Pattern: 5/8x24 Action: Semi-Auto Color: Collapsible / Folding Stock Magpul SL Stock Capacity: 30 + 1 Requires FFL: True Finish: Desert Verde Cerakote Model: AR-556 MPR