Items Available For Purchase Today Sig Sauer RMPX 9mm Carbine folding stock... $2,049.99 SELLER: Xwerksaz Sig Sauer MPX Competition (RMPX-16B-9) $2,179.99 SELLER: Jay's Guns & Accessories IV Sig Sauer MCX-Spear (RSPEAR-762-16B) $4,199.99 SELLER: Jays Guns and Accessories Sig Sauer MCX (RMCX-762R-16B-LT) Spear L... $2,499.99 SELLER: Jays Guns and Accessories SIG 556 Commando NIB $2,500.00 SELLER: fDcAL Sig Sauer 716 Tread AR10 X-Werks Tungste... $1,699.99 SELLER: Xwerksaz Sig Sauer M400 Tread Predator $999.99 SELLER: Silver Creek Outfitters BRIGADE MFG BM-9 RIFLE 9MM 16" BBL 33RD... $899.00 SELLER: Jr's Gun Sales SIG Sauer MPX 9mm Carbine – 16” Barrel w... $1,299.00 SELLER: Acorn Sporting Sig Sauer MCX Patrol, 5.56mm NATO NEW Wi... $1,570.00 SELLER: TheMarksman Sig Sauer MCX Virtus Patrol, .300 Blacko... $1,900.00 SELLER: TheMarksman Sig Sauer M400 Tread Predator, 5.56mm NA... $1,200.00 SELLER: TheMarksman Guns Rifles Sig Sauer Sigarms Rifles Sig Sauer M Enhanced Carbine . NATO . Rem AR Rifle RM B ECP | 629 | 9 | ?t=&sft=<id=&co=&og=&ong=&to=&lid=&cid=629&as=&mn=&mx=&f=&ca=&ffl=&oi=&dn=&zipcode=&distance=&limittostate=&pagenum=1&numberperpage=12&sort=&local=&sold=0&sku=&upc=&bl=&gf=&ff=&distributorid=&manufacturer=&model=Lc | 31.7833ms See All Sig Sauer M400 Enhanced Carbine 5.56 NATO/.223 Rem 16" 30+1 AR-15 Rifle RM400-16B-ECP 798681476817 For Sale from: DEGuns_net ( FFL) | Positive feedback: 95% View | Verified Seller | 1488 Completed Sales View Sellers Items Sig Sauer M400 Enhanced Carbine 5.56 NATO/.223 Rem 16" 30+1 AR-15 Rifle RM400-16B-ECP 798681476817 For Sale from: DEGuns_net | Positive feedback: 95% View | Verified Seller | 1488 Completed Sales View Sellers Items DEGuns_net Seller Since: Dec. 2014 Identity Verified ( LINCOLN, NE ) Trusted Seller This seller is an FFL City: Lincoln State: NE ENDED - $1,199.99 Shipping: $19.99 (or Arrange local transfer) Accepted Payment Methods: Returns: 3 Days This Seller Accepts Instant Online Payments Description: Questions Call or email Mon-Sat 8:00am-7:00pm This item is new in the box comes with everything included from the manufacturer If item is not as described we do have a 3 day return period The Sig Sauer M400 Enhanced Carbine is designed for law enforcement, the sporting field, military operations, as well as competitive shooting. A true AR platform tactical rifle with unparalleled accuracy, the M400 Enhanced features a 16" Nitride treated barrel for 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 version features a black polymer Magpul MOE forend, grip, and collapsible stock. SKU: RM400-16B-ECP Action: Semi-Auto Operating System: Direct Impingement Caliber: 5.56x45mm NATO/.223 Remington Overall Length: 35.6" Length with Stock Collapsed: 32.5" Overall Height: 7.8" Trigger Weight: 7.6 Pounds Barrel Length: 16" Rifling Twist: 1:7" Grooves: 6 Weight without Magazine: 6.7 Pounds Magazine Included: 1-30 Round PMAG Features: Magpul MOE Forend, Grip, Stock, and Rear Sight Compliance: None UPC: Condition: New In Box Brand: SIG SAUER Model: RM400-16B-ECP Caliber: .223 Remington (5.56 NATO) Item #: 909636772 Stock No.: RM400-16B-ECP UPC: 798681476817 Location: NE Trades Accepted: No Share: Shipping Notes: Shipping Terms US - Handguns and Long Guns - 19.99 Alaska & Hawaii - Handguns - 19.99 Alaska & Hawaii - Long Guns - 39.99 We will call to collect extra shipping fees once the order is placed. We DO NOT ship to Puerto Rico. Items You've Viewed Recently Sig Sauer M400 Enhanced Carbine 5.56 NAT... $1399.99 SELLER: DEGuns_net (FFL Dealer) Add To Cart