Sig Sauer M400 Enhanced 5.56 NATO Rifle
Factory New Condition
FFL is required
Current Bid
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Time Left 15 min rule
Item has Ended
8/11/2017 12:02 PM
Item 678916252
Location Murray, KY 42071
Shipping Buyer pays actual shipping costs for the following option(s): Priority
See Item Description
No international shipments
Payment Visa / MasterCard, USPS Money Order
Checkout Yes
Sales Tax
Seller must collect sales tax from the following states:
KY 6%   
Inspection/ Return Policy
AS IS - No refund or exchange

The seller of this item assumes all responsibility for this listing. You must contact the seller to resolve any questions or concerns before placing a bid. Payment must be made using U.S. dollars ($) unless otherwise stated in the listing. Firearms may only be shipped to a licensed dealer (FFL Holder). Some listed items may not be legal in every state. Complete your purchase within the law.

Please read the Item Characteristics for important listing details.


Sig Sauer M400 Enhanced 5.56 NATO Rifle

FirstChoice FireArms, Inc. has for your consideration a factory new Sig Sauer M400 Enhanced semi-automatic rifle chambered for 5.56 NATO. "Factory New" includes everything shipped with the firearm from the manufacturer.

THE SIGM400 SERIES ENHANCED RIFLE, is designed for use in law enforcement, military operations, the sporting field, as well as competitive shooting. The SIGM400 is a true AR platform tactical rifle with unparalleled accuracy. A 16” Nitride treated barrel provides superior corrosion resistance, and a 7075-T6 aircraft grade aluminum forged lower receiver adds to the durability and reliability that users come to expect from SIG SAUER. This black version is equiped with black polymer Magpul MOE forend, grip and collapsible stock.

  • Brand: Sig Sauer
  • Model: SIGM400 Enhanced
  • Action: Semi-auto
  • Operating System: Direct impingement
  • Caliber: 5.56 X 45mm NATO
  • Mag Capacity: 30 Rounds
  • Mag Type: Magpul P-MAG
  • Barrel: 16" Threaded, 1:7" Twist, 6 Grooves, Nitride treated
  • Finish: Black
  • Grip: Magpul MOE Black
  • Safety: Ambidextrous selector switch
  • Stock: Adjustable, Magpul
  • Sights: Flip Up
  • Trigger Weight: 7.6 lbs
  • Other: Ambidextrous Mag Release
  • Included: Magpul MOE forend, grip, stock, and front & rear sights
  • Overall Length: 35.6 in
  • Length w/Stock Collapsed: 32.5 in
  • Overall Height: 7.8 in
  • Weight w/out Mag: 6.7 lbs
  • CA Compliant: No
  • MA, NJ, CT Compliant: No

Payment Information
  • Final bid plus shipping includes a cash discount of 3% which can be earned by making the full payment by cash, money order, or certified check.
  • There will be a 5 BUSINESS DAY hold on any payment method other than credit card or U.S.P.S. Money Order.
  • You may pick the item up in person if you are a Kentucky resident.
  • Kentucky residents are subject to a 6% sales tax.
  • We accept ONLY Visa, MasterCard, Postal Money Order, or Cashiers Check.
  • Payment is expected within 7 days of the close of the auction.
  • We do not offer layaway or partial payment options.
  • Prices represent a 3% cash discount. For credit/debit card payments the 3% will be added to the total.

Shipping Information
  • At the time of shipment, a successful bidder must be in compliance with the firearm laws of the bidder's state.
  • Items will be shipped only after payment has cleared.
  • The shipping and handling costs in this ad are based on delivery to the 48 contiguous United States. Outside of this region, costs will be calculated based upon your location
  • We use USPS Priority Mail to ship firearms.

Shipping Firearms
  • Firearms shipped to FFL dealer only
  • We will ship upon receipt of payment and signed legible copy of dealer's FFL via fax, mail, or email.


By bidding on our items you acknowledge the following conditions:

  • No California Sales, No Exceptions!
  • This item is for sale locally in our gun gallery and we reserve the right to end this auction at any time.
  • No sales to addresses outside the United States and its territories.
  • C&R Licenses are not acceptable.
  • No trades accepted - please don't ask.
  • Please do not inquire about the reserve!
  • All firearms and ammunition must be signed for at the time of delivery.
  • We are a federally licensed firearms dealer (FFL) and include a copy of our paperwork with every firearm shipped.
  • Please have your FFL send us their paperwork in a timely manner by email to or fax 270-753-3501. Ask that they include some form of identifying information - either your name or the GunBroker item number - with the paperwork to help us match it up with your item.
  • Our business hours are 9:00 AM to 6:00 PM Central Time Monday through Friday and Saturday 9:00 AM to 4:00 PM Central Time.

Restocking Fee
  • FirstChoice FireArms will charge a successful bidder a $50.00 restocking fee if that bidder fails to meet applicable firearm laws and is thus ineligible to make the purchase.
  • FirstChoice FireArms will charge a successful bidder a $50.00 restocking fee if that bidder renigs on the purchase.

  • Contact us with any questions before bidding.
  • Use the contact seller link to contact us.
  • We respond to all inquiries as fast as possible.
  • We try to respond to inquiries outside of our normal operating hours but it might not always be possible.

FirstChoice FireArms
102 N. 5th Street
Murray, KY 42071

(270) 761-GUNS (4867)

Visit our website:


Seller provided no "Additional Terms of Sale"
Sig Sauer
5.56mm NATO
Barrel Length
16 inch
Mfg Part Number