Geissele Automatics SD556 - Semi-automatic - AR - 223 Remington - 556NATO - 16" Chrome Lined Barrel - Flash Hider - OD Green Anodized Finish - 15" SMR MK16 Handguard with M-LOK - Geissele Pistol Grip - B5 Enhanced SOPMOD Stock - SSA-E X Trigger w/ Lightning Bow - No Magazine - Product Finishes - Shade Variations and Other Imperfections Are Normal Due to the Manufacturing Process 08-188ODG