to meet the highly-specialized needs of USSOCOM, the MCX-SURG Kit was developed to deliver extreme
performance for special operations units while maintaining high-levels of accuracy and durability.
The MCX-SURG Upgrade Kit was specifically engineered as a drop-in upgrade for a standard M4A1 lower,
converting any standard Mil-Spec AR rifle into a next-generation MCX. Utilizing SIG SAUER’S advanced
suppressor design the MCX-SURG has been tested under Special Operations harshest, most demanding
conditions, and has been proven to exceed even the most extreme durability, accuracy and sound
reduction standards.
*LIMITED RUN* The unique heat shield design of the MCX-SURG Upgrade Kit, is meant to prevent burns while still allowing
the operator to maintain high rates of fire
The MCX-SURG includes a complete MCX upper receiver group, direct thread Inconel suppressor,
removable titanium cage, SD handguard, low profile handguard, folding stock with adapter kit, and
chambered in 5.56 NATO.
- Model : Sig Sauer MCX Upper
- Barrel : 11.5″
- Caliber : 5.56×45 NATO
- Finish : Flat Dark Earth
- Muzzle : Inconel Suppressor
- Stock : Folding Stock Adapter Kit
- Handguard : Removable Titanium Cage – SD Handguard
About the Sig MCX-SURG Suppressed Upper Receiver Group, Fits to AR-15 Lower, 11.5" Barrel, 5.56 NATO
Frequently Asked Questions
What are the shipping options for the Sig MCX-SURG Suppressed Upper Receiver Group, Fits to AR-15 Lower, 11.5" Barrel, 5.56 NATO?
At The Gun Shop, the Sig MCX-SURG Suppressed Upper Receiver Group, Fits to AR-15 Lower, 11.5" Barrel, 5.56 NATO is eligible for Express and Standard shipping options. Due to federal regulations for Class 3 products, we ship to your chosen FFL dealer for transfer. Shipping times and costs vary by location—check details at checkout for accurate information.
What is the return policy for the Sig MCX-SURG Suppressed Upper Receiver Group, Fits to AR-15 Lower, 11.5" Barrel, 5.56 NATO?
The Gun Shop offers a 30-day return policy for the Sig MCX-SURG Suppressed Upper Receiver Group, Fits to AR-15 Lower, 11.5" Barrel, 5.56 NATO. If unsatisfied, return it in original condition for a refund or exchange, subject to federal firearm regulations. Contact our support team for detailed instructions and assistance.
Why choose the Sig MCX-SURG Suppressed Upper Receiver Group, Fits to AR-15 Lower, 11.5" Barrel, 5.56 NATO from The Gun Shop?
Choosing the Sig MCX-SURG Suppressed Upper Receiver Group, Fits to AR-15 Lower, 11.5" Barrel, 5.56 NATO from The Gun Shop ensures a high-quality Class 3 product backed by our expertise and commitment to customer satisfaction. We offer competitive pricing, fast shipping to your FFL dealer, and a reliable return policy, making us a trusted choice for firearm enthusiasts.
What are the key benefits of the Sig MCX-SURG Suppressed Upper Receiver Group, Fits to AR-15 Lower, 11.5" Barrel, 5.56 NATO?
The Sig MCX-SURG Suppressed Upper Receiver Group, Fits to AR-15 Lower, 11.5" Barrel, 5.56 NATO delivers exceptional quality and performance in the Class 3 category. Designed for shooters, hunters, and professionals, it offers reliable functionality and durability for applications like range practice, home defense, or tactical use, making it a top choice at The Gun Shop.
Is the Sig MCX-SURG Suppressed Upper Receiver Group, Fits to AR-15 Lower, 11.5" Barrel, 5.56 NATO suitable for beginners?
Yes, the Sig MCX-SURG Suppressed Upper Receiver Group, Fits to AR-15 Lower, 11.5" Barrel, 5.56 NATO is designed for both beginners and experienced shooters in the Class 3 category. Its user-friendly features ensure easy handling, making it ideal for those new to firearms or accessories.