The Sig Sauer MCX SPEAR .277 SIG FURY/6.8x51mm rifle represents a groundbreaking leap in firearms technology, bringing military-grade innovation to the civilian market. This exceptional rifle is the commercial variant of the US Army's M7 Next-Generation Squad Weapon, offering enthusiasts and collectors a unique opportunity to own a piece of firearms history. Crafted with precision and designed for superior performance, the MCX SPEAR is a military clone rifle enthusiast's dream.
The MCX SPEAR addresses a long-standing challenge in the firearms world: how to achieve significant performance gains in a compact, manageable platform. For years, civilian shooters and military personnel alike have sought a rifle that could deliver enhanced range, accuracy, and stopping power without sacrificing maneuverability. The MCX SPEAR, with its innovative design and powerful new cartridge, offers a solution to this problem.
Sig Sauer's triumph in securing the US Army's Next Generation Squad Weapon (NGSW) contract in 2022 marked a pivotal moment in small arms development. The MCX SPEAR, designated as the M7 in its military configuration, emerged victorious after an intense competition involving some of the most respected names in the firearms industry. This rifle is set to replace the M4 carbine and M249 light machine gun in front-line service, equipping US Army and potentially US Marine Corps infantry units with a revolutionary new capability.
The military version of the MCX SPEAR is paired with the SIG TANGO6T 1-8x24 optic and the SIG SLX suppressor, creating an integrated weapon system designed to dominate modern battlefields. Special Operations Forces are also expected to adopt this cutting-edge platform, further cementing its status as a true next-generation combat rifle.
The military indicated they wanted a new cartridge for the NGSW program, and it knew the performance that it wanted. The NGSW solicitation specified that the cartridge had to fire its Picatinny Arsenal-designed 135- to 140-grain .277-caliber bullet.
Capable of muzzle velocities in excess of 3,000 FPS with a 113gr bullet out of a 16” barrel, the MCX-SPEAR rifle is achieving the Army’s goal of advanced performance while also exceeding the requirements for durability. Now,this technology is available to the U.S. civilian market with the MCX-SPEAR rifle chambered in 6.8x51.
While the civilian MCX SPEAR shares many features with its military counterpart, there are some key differences. The commercial variant comes with a 16" barrel to comply with civilian regulations, compared to the military's 13" barrel. Additionally, the civilian model lacks select-fire capability and uses a different gas system optimized for commercial ammunition. However, the core DNA of the rifle remains intact, including its revolutionary chambering, overall ergonomics, and modular design philosophy.
For those who want an even better look, as about how we can customize your Sig Fury with the left magwell military markings.
The Sig Sauer MCX SPEAR, chambered in .277 SIG FURY, represents a significant development in modern rifle design. This new cartridge has demonstrated notable performance characteristics in recent testing.
These results indicate an improvement over the current M855 round used by the U.S. military for the M4A1 rifle, including the URGI upper, which typically achieves around 1 MOA accuracy. The enhanced accuracy of the .277 FURY could potentially increase effective range and precision in both military and civilian applications.
Each round is marked with the SIG stamp, indicating Sig's involvement in the manufacturing process. The company's quality control measures appear to be stringent, possibly due to the high-profile nature of the U.S. Army contract for which this system was developed.
For civilian shooters, particularly those interested in long-range shooting, the .277 FURY's performance characteristics may be of interest. The low standard deviation in velocity could contribute to more consistent long-range shooting, which is valuable in competitive scenarios.
It's important to note that as production increases to meet demand, maintaining the current level of consistency may present challenges. The performance of mass-produced ammunition may differ from these initial test results.
The MCX SPEAR rifle, designed around this new cartridge, offers civilians access to technology similar to that being adopted by the U.S. military, albeit with some differences in configuration. This platform provides an opportunity for enthusiasts to experience recent advancements in firearms technology.
For some candid thoughts on the Sig Fury .277 MCX, read this Reddit first-hand review
Government Export Restriction
This item may be regulated for export by the U.S. Department of State or the US Department of Commerce.
Buying and shipping through Charlie’s is easy, but there is some information you need to know. This item must ship to FFL holder. No civilian exceptions.
1) Check your state laws to make sure the federally regulated item you want to purchase is legal in your state.
2) Find your FFL… Have your dealer send us a copy of their FFL to Charlie’s (Make them earn their fee!!!)
3) Be patient! You should hear from our compliance department within 3-4 business days. If not, feel free to reach out for a status update.
That’s it! We try to make this process as simple as possible for our customers. Please click the “Buying a Firearm” tab at the top of this page for more information.
California residents please, click here. The process may be different due to state specific laws.
NOTE: The free shipping option does not apply to full rifles.
THIS IS A SERIALIZED FIREARM. It must ship to a Federal Firearms License holder. No civilian exceptions.
Buying and shipping through Charlie’s is easy, but there is some information you need to know. Only a federally licensed firearms dealer may receive a firearm or federally regulated serialized item (like a receiver or suppressor). We cannot ship these items directly to you. Please follow these steps to process your transaction:
1) Check your state laws to make sure the federally regulated item you want to purchase is legal in your state. Your FFL dealer should be able to give you all of the necessary information regarding your state specific laws. But, if we ship to your FFL, and there is a legal issue, we cannot accept a return. So please make sure that you know and follow your local and state laws.
2) A quick google search will show you what Federal Firearms Licensed (FFL) dealers are in your area. When you are ready to purchase, contact the FFL dealer you would like to use and get their shipping address. During the check-out, put YOUR address in the “billing” section and the FFL DEALER’S address in the “shipping” section. If you don’t know your FFLs address, that’s okay. You can send the information later.
3) After check out, make sure to contact your FFL dealer to ensure they will receive your shipment for you (most do this for a small fee, but you should always double check).
4) Have your dealer send us a copy of their FFL to FFL@CharliesCustomClones.com. Charlie’s does not reach to your FFL (MAKE THEM EARN THEIR FEE!!!)
5) Be patient! In order to ensure we remain compliant with all federal laws, our compliance department is kept separate from our sales and operations team. Please allow a few days for our compliance officer to verify all of your dealer’s documents and ensure all federal laws are being observed. You should hear from our compliance department within 3-4 business days. If not, feel free to reach out for a status update.
That’s it! We try to make this process as simple as possible for our customers, but if you are unfamiliar the process or have any other questions, please visit our How to Buy a Firearm page for more details.
California and New York residents please, click here. The process may be different due to state specific laws.
NOTE: The free shipping option does not apply to full rifles, unless purchased with a riflescope. If you choose free shipping at check-out, we will bill you for shipping later.
Sig Sauer
Sig Sauer
Sig Sauer
Sig Sauer
Sig Sauer