Introducing the Cosaint Arms COS21-Compact: A Revolutionary Handgun Redefining Concealed Carry

Cosaint Arms COS 21 Compact

Cosaint Arms, a leading innovator in firearms technology, proudly unveils its latest masterpiece, the COS21-Compact. This cutting-edge handgun sets a new standard for concealed carry firearms, offering exceptional performance, compact design, and unparalleled versatility.

At the heart of the COS21-Compact is the 3.5” Bull Barrel, meticulously engineered to deliver pinpoint accuracy and reduced recoil for swift follow-up shots. Crafted with precision and expertise, this handgun guarantees enhanced shooting experiences for both seasoned marksmen and enthusiasts alike.

The hard coat anodized aluminum frame is not only rugged and durable but also lightweight. The slide prep for the C&H Precision Weapons mounting plate ensures users can seamlessly integrate their preferred optics, empowering them with the advantage of lightning-fast target acquisition and improved shooting proficiency.

One of the standout features of the COS21-Compact is the Medium Flat Trigger, designed to deliver a crisp, clean break, promoting enhanced trigger control and accuracy. Combined with the stippled compact grip, this handgun becomes an extension of the shooter’s hand, ensuring a firm grasp and optimal control in any shooting scenario.

Equipped with two Flush fit MBX Defender 17+1 magazines, the COS21-Compact offers an impressive capacity without compromising its compact dimensions. Furthermore, the gun also accommodates standard 2011 style magazines, making it a versatile choice for shooters who appreciate a wide range of magazine options.

Chambered in 9mm, the COS21-Compact’s sleek design doesn’t sacrifice ergonomics or comfort. Measuring at 7.3″ in length, 1.28″ in width, and 5.6″ in height, and weighing a mere 25.6 oz., this handgun boasts a balanced and compact profile, making it an ideal choice for everyday concealed carry, duty, or personal defense.

“We are thrilled to introduce the COS21-Compact to the market,” said Greg Mooney, owner of Cosaint Arms. “Our team of engineers and designers have poured their expertise into creating a handgun that offers unmatched performance, reliability, and ease of use. The COS21-Compact is a testament to our commitment to meeting the evolving needs of our customers, providing them with the confidence and trust they expect from Cosaint Arms.”

The Cosaint Arms COS21-Compact is set to redefine the concealed carry landscape, offering gun owners an opportunity to experience a compact 9mm firearm that doesn’t compromise on power or precision. For more information about the COS21-Compact and other Cosaint Arms products, visit

About Cosaint Arms

Cosaint Arms is a leading manufacturer of custom firearms, dedicated to producing high-quality, American-made firearms that are both functional and aesthetically pleasing. They are committed to customer satisfaction and produce firearms that are tailored to the unique needs and preferences of each customer. Cosaint Arms is a Certified Cerakote Applicator and ensures that each gun is Cerakoted to the owner’s specifications. They stand behind their products with a lifetime warranty and offer exceptional customer support.