Daniel DefenseDD M4 CARB MK18 SBR 556 5.56from $2,324UPC 815604015554murphyslawfirearms.com$2,324sgaoutdoors.com$2,340lawfuldefense.com$2,411realitydefenseweapons.com$2,416pc72guns.com$2,417naplesgunshop.net$2,434
