Sig Sauer MCX Rattler 5.56 NATO 5.5" M-LOK Upper Receiver UAMCX-5B-556-BLK-TAP
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1399.99
$1,555.99
Save $156.00 (10% Off)
Sig Sauer MCX Rattler 5.56 NATO 5.5" M-LOK Upper Receiver UAMCX-5B-556-BLK-TAP, Upper Receiver for the Sig Sauer MCX Rattler. Features a 5.5 inch barrel and a polymer handgaurd with MLOK attachment points, and a full length picatinny rail for the installation of sights, optics and other accessories. Additionally, the this upper comes with a receiver stock adapter kit, side folding AR buffer tube knuckler, and match duo trigger kit.