Sig Sauer M400 Enhanced Carbine Rifle. The SIG M400 is a true AR platform tactical rifle with unparalleledaccuracy. A 16 inch chrome-lined and phosphate coated barrel provides superiorcorrosion resistance, and a 7075-T6 aircraft grade aluminum forged lower receiver adds to the durability and reliability that users come to expectfrom Sig Sauer. This OD version with Black upper and lower receiver, ODGreen polymer MagPul MOE forend, grip and collapsible stock.
Mack's sells firearms in accordance with Federal, State, and Local laws regarding firearm transfer and ownership. To purchase firearms online, please check your local and state laws and then complete the steps listed in our instructional guide on How to Purchase a Firearm Online . Guns must be purchased separately from all other items and transferred through an FFL dealer (no international shipments). Most gun orders ship within 24 business hours of MPW’s receipt of all necessary paperwork.