Out of stock
SKU: SIWPMCX300B6LTF
UPC: 798681710249
MPN: WPMCX-300B-6B-LT-FDE
The SIG SAUER MCX Rattler LT in 300 Blackout with a 6.75" barrel and Flat Dark Earth finish is purpose-built for close-quarters tactical operations, home defense, and suppressed shooting applications. This compact, modular rifle delivers rifle-caliber power in a platform that rivals the ergonomics and reliability of modern military carbines. Law enforcement tactical teams and private security professionals choose the MCX Rattler LT for its proven track record in confined spaces, vehicle operations, and breach scenarios where maneuverability and firepower cannot be compromised.
The 6.75" barrel paired with the 300 AAC Blackout cartridge yields subsonic performance when loaded with appropriate ammunition, making this configuration ideal for suppressed operations without sacrificing velocity or terminal effectiveness at tactical distances. The aluminum frame construction keeps overall weight to just 1 pound, reducing shooter fatigue during extended operations while maintaining the structural rigidity demanded in duty environments. The optic-ready receiver allows mounting of modern combat optics without frame modifications, and the 30+1 capacity magazine delivers responsive firepower with quick tactical reloads.
Operators running 300 Blackout suppressors will find this MCX Rattler LT platform delivers consistent cycling and minimal point-of-impact shift between subsonic and supersonic loads. The Flat Dark Earth finish blends naturally in urban and outdoor operational environments while resisting fingerprints and corrosion. This rifle excels for shooters transitioning from patrol rifles who need compact firepower, rural property defense, and precision work within 300 meters. Compatibility with standard AR-pattern 300 Blackout magazines and optics keeps logistics simple for teams already invested in the platform ecosystem.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
