Changing between 300BLK and 5.56 NATO is as simple as swapping barrels and magazines in a matter of minutes. Converting to 7.62x39mm simply requires barrel, magazine, as well as an additional bolt change. Each SIG MCX features an alloy KeyMod handguard, AR-style lower controls and polymer magazines.

Chambered in 5.56 NATO or 300 Blackout, the SIG MCX SBR for sale is a highly modular and maneuverable firearm for CQB shooting venues. The SIG MCX Virtus SBR is in a class all its own with customizable options that allow you to reconfigure your …

The SIG MCX VIRTUS SBR is the short-barreled rifle configuration of the MCX VIRTUS. It features a 292 mm (11.5 in) barrel for the 5.56×45mm NATO caliber, and a 140 mm (5.5 in) barrel and 229 mm (9 in) barrel for the .300 AAC Blackout caliber.

Capable of muzzle velocities in excess of 3000FPS with a 113gr bullet out of a 16”barrel, the SIG SAUER MCX-SPEAR rifle is achieving the Army’s goal of advanced performance while also exceeding the requirements for durability.

With improved accuracy, the MCX-SPEAR-LT delivers unparalleled precision and consistency in every shot. Whether engaging targets at long distances or in close-quarters scenarios, this rifle empowers you to confidently hit your mark with exceptional reliability.

Purchase Sig Sauer Rifles at Eurooptic. The Sig MCX rifles is built around the SIG gas-operated, short-stroke piston system. Find more Sig MCX for sale online like Sig MCX spear, Sig MCX virtus, Sig MCX rattler, Sig MCX 300 blk and more.

The MCX-SPEAR SBR is built upon the battle-proven MCX platform, now enhanced to accommodate the powerful 6.8x51mm (.277 SIG FURY) cartridge. This rifle features a robust short-stroke gas piston system, reducing recoil and …

Check out SIG SAUER, INC. MCX-SPEAR SBR 6.8X51MM SEMI-AUTO RIFLE available Online at Brownells Today and many more Semi Auto Rifles products are available in our Guns Department.

The MCX-SPEAR LT 300 BLK 9" SBR is the latest innovation from SIG SAUER, redefining modularity and performance in a compact short-barreled rifle. Designed for versatility and adaptability, this firearm excels in a variety of shooting scenarios, making it an exceptional choice for tactical professionals and shooting enthusiasts alike.

The Sig Sauer MCX SPEAR-LT SBR in .300 Blackout is the latest evolution of the MCX platform, delivering enhanced performance, versatility, and durability. Designed with feedback from professional users, this SBR features a 9" carbon steel barrel with a 1:5 twist, optimized for suppressed and unsuppressed operation.