Sig Sauer MCX Pistol SBR, 5.56mm, 11.5-Inch, First Responder Exclusive

The Sig Sauer MCX Pistol (brand part no. WRMCX-556N-11B-LT-SBR) is a 5.56 NATO short-barrel MCX platform rifle with an 11.5-inch barrel and a 1:7-inch twist rate, offered under Sig Sauer‘s First Responder purchase program. This configuration is restricted to verified first-responder buyers and is not available to the general public through our short barrel rifles lineup. Contact our Lubbock, Texas gun shop to verify eligibility before ordering.

Key Specifications

• Chambered in .223 Rem/5.56 NATO.
• Wears an 11.5-inch barrel with a 1:7-inch twist rate.
• Feeds from a 30+1-round magazine.
• Equipped with a safety lever.
• Sold exclusively through the First Responder purchase program.

Frequently Asked Questions

Is this an NFA item? Yes, as a short-barrel rifle it is a Title II firearm requiring an approved ATF Form 4 and transfer through an NFA-licensed dealer, in addition to First Responder program eligibility.

Who can purchase this? This configuration is restricted to verified first responders under Sig Sauer’s program rules.

Buy the Sig Sauer MCX Pistol SBR (First Responder Only)

This is a restricted-eligibility, Title II NFA item. Contact our Lubbock, Texas gun shop to verify First Responder program eligibility and begin the transfer process.