Elevate Your SBR Experience with the CM7S Buttstock Assembly
Transforming your firearm into a Short Barreled Rifle (SBR) is a significant upgrade that demands high-quality components for peak performance. Once you have received your approved Form 1, the CM7S Buttstock Assembly from Chattahoochee Munitions is the definitive choice for replacing your Tailhook pistol brace. Engineered for durability, ergonomics, and a seamless fit, this assembly provides the stability and comfort necessary for precision shooting and tactical maneuvers.
Premium Engineering and Versatility The CM7S Buttstock Assembly is designed specifically for enthusiasts who value modularity. It integrates flawlessly with your existing rear telescoping assembly, ensuring that the transition from a brace to a dedicated stock is both aesthetic and functional. The rugged construction is built to withstand the rigors of heavy use, providing a rock-solid shoulder interface that improves recoil management and shot-to-shot consistency.
Simple, Stress-Free Installation We understand that your time is best spent at the range, not at the workbench. The conversion process is remarkably straightforward. The assembly utilizes a robust bolt-through design that connects the stock, the telescoping assembly, and the cheek riser into a single, cohesive unit.
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Pro Tip: Use a 3/16 hex for the bolts and a 1/4 hex for the nuts. While the hardware may resemble Torx, using the correct hex tools ensures a perfect fit without stripping.
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Torque Specs: For maximum security, we recommend tightening all hardware—including the buttstock bolts, cheek riser nuts, and buttpad screws—to 35 in/lbs.
Customizable Comfort The CM7S isn’t just about strength; it’s about the shooter. The design allows you to retain your adjustable cheek riser, letting you dial in the perfect height for your optics and cheek weld. Whether you are running a high-rise red dot or a low-profile scope, this assembly adapts to your needs. Upgrade to the CM7S Buttstock Assembly today and experience the ultimate in SBR ergonomics.








John Raymer (verified owner) –
Awesome! Thanks!
admin (store manager) –
Thank you sir!
Jody Spencer (verified owner) –