Sig Sauer MCX Virtus Cal-X Kit, 5.56 NATO 11.5″ Barrel

Sig Sauer MCX Virtus Cal-X Kit, 5.56 NATO 11.5″ Barrel, Tapered Lug. This official conversion kit allows you to convert your AR-15 to the 11.5″ 5.56 NATO MCX Vitrus and comes complete with a matte black Vitrus barrel, gas block assembly and installation instructions. This is a factory original Sig Sauer part, made to the highest standards for your Sig Sauer firearm.

PRODUCT SPECIFICATIONS:

• Barrel Length: 11-1/2″
• Barrel Thread Pitch: 1/2″ x 28 TPI
• Brand: Sig Sauer
• Caliber: 5.56x45mm
• Finish / Color: Black
• Firearm Type: Rifle
• Material: Steel
• Models Fit: Sig Sauer MCX