Items Available For Purchase Today Object reference not set to an instance of an object. See All SIG MCX Carbine .300 BLK For Sale from: Xtreme Guns and Ammo ( FFL) | Positive feedback: 100% View | Verified Seller | 149 Completed Sales View Sellers Items SIG MCX Carbine .300 BLK For Sale from: Xtreme Guns and Ammo | Positive feedback: 100% View | Verified Seller | 149 Completed Sales View Sellers Items Xtreme Guns and Ammo Seller Since: Oct. 2015 Identity Verified ( RICHMOND, TX ) This seller is an FFL City: Richmond State: TX ENDED - $1,699.95 Shipping: Calculated on checkout (or Arrange local transfer) Accepted Payment Methods: Returns: No Returns Description: SIG MCX Carbine .300 BLK Introducing the SIG MCX™ 300 BLK Carbine. Engineered for 300 BLK. Built from the ground up to be silenced, light and short. A breakthrough in modularity. The result of years of toil and sweat, the SIG MCX™ 300 BLK Carbine is proof that the dawn of a new era doesn't happen overnight. SIG MCX Carbine .300 BLK NO MATTER THE CONDITIONS. The SIG MCX™ 300 BLK Carbine is an innovative weapon system built around a battle-proven core: SIG's gas-operated, short-stroke piston system. Trust it for the outstanding performance, no matter the conditions, that you've come to expect from the leading name in firearms. SIG MCX Carbine .300 BLK A BREAKTHROUGH IN MODULARITY. Even while in the field, you can configure the SIG MCX™ 300 BLK Carbine as needs or conditions change. The combination of the 13" monolithic upper receiver and handguard create a 17 3/4" continuous top rail. The upper is backwards compatible with any mil-spec AR lower, allowing you to upgrade your existing AR platform to the SIG MCX™ 300 BLK Carbine. The AR upgrade kit includes side-folding stock assembly and adapter. SIG MCX Carbine .300BLK SHOOTER MAKE READY. The SIG MCX™ 300 BLK Carbine stands as the first rifle built to be silenced from the ground up. It also accepts a broad array of accessories, enabling you to build a complete weapon system for any scenario or environment. SIG MCX Carbine .300BLK Specifications: Manufactures Item Number: Caliber:300BLK Action Type:Semi-Auto Operating System:Gas Piston, Rotating Bolt Stock Type:Multiple Configurations Forend Types:Alloy KeyMod Weight w/o Magazine:2.72 kg / 6 lb Overall Length:908.05 mm / 35.75" Barrel Length:406.4 mm / 16.0" Rifling: 1:6 Trigger Type:MIL-SPEC:6.6-8.6 lb / 29.36-38.26 N Trigger Weight:6.6-8.6 lb / 29.36-38.26 N Mag Type:AR-15 Type Mag Capacity:30 Free Shipping and No Credit Card Condition: New In Box Brand: Sig Sauer Caliber: .300 Blackout Item #: 946210424 Location: TX Trades Accepted: Share: Shipping Notes: See Description Largest LWRC dealer in the Nation. Largest NEMO Arms dealer in the Nation. Items You've Viewed Recently SIG MCX Carbine .300 BLK $1699.95 SELLER: Xtreme Guns and Ammo (FFL Dealer) Add To Cart