This is a new OEM Sig Sauer MCX Conversion Kit that includes an integrally suppressed MCX upper receiver, adapters to convert the lower receiver to accept the MCX upper receiver, and a Sig Sauer two-stage trigger. The trigger installation is required to ensure proper operation of the MCX upper receiver. Using your existing trigger is not recommended and may lead to malfunction.
The suppressor is pinned and welded meaning that the overall length is just over 16″. Putting this on your rifle will not make it an SBR.Caliber .300 Blackout
Manufacturer Sig Sauer
Sights (detailed) None
Frame Finish Black
Barrel Length (in) 16.8 in OAL
Accessory Rail Not Applicable
About the Sig MCX Upper, 300 Blackout, 9" Barrel, Suppressed, Pinned & Welded, Black
Frequently Asked Questions
What are the shipping options for the Sig MCX Upper, 300 Blackout, 9" Barrel, Suppressed, Pinned & Welded, Black?
At The Gun Shop, the Sig MCX Upper, 300 Blackout, 9" Barrel, Suppressed, Pinned & Welded, Black 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 Upper, 300 Blackout, 9" Barrel, Suppressed, Pinned & Welded, Black?
The Gun Shop offers a 30-day return policy for the Sig MCX Upper, 300 Blackout, 9" Barrel, Suppressed, Pinned & Welded, Black. 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 Upper, 300 Blackout, 9" Barrel, Suppressed, Pinned & Welded, Black from The Gun Shop?
Choosing the Sig MCX Upper, 300 Blackout, 9" Barrel, Suppressed, Pinned & Welded, Black 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 Upper, 300 Blackout, 9" Barrel, Suppressed, Pinned & Welded, Black?
The Sig MCX Upper, 300 Blackout, 9" Barrel, Suppressed, Pinned & Welded, Black 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.
How does the Sig MCX Upper, 300 Blackout, 9" Barrel, Suppressed, Pinned & Welded, Black perform in Class 3 applications?
The Sig MCX Upper, 300 Blackout, 9" Barrel, Suppressed, Pinned & Welded, Black excels in Class 3 applications, offering superior craftsmanship and reliability. Whether used for competitive shooting, hunting, or personal defense, it delivers consistent performance trusted by shooters at The Gun Shop.