SKU: KEA1-50-01-708
The KE Arms M4 Stock Assembly 9mm is a specialized component designed for operators building or upgrading AR platform rifles. This assembly delivers the precision and reliability required by law enforcement, military, and serious civilian shooters who need a proven buffer system optimized for 9mm ammunition. Every component is manufactured in the USA, showcasing KE Arms' commitment to domestic quality.
The kit includes a billet mil-spec buffer tube, a purpose-built 9mm buffer, a matched buffer spring, a mil-spec endplate, a billet castle nut, and a mil-spec buttstock. The buffer is specifically tuned for 9mm bolt carrier assemblies, ensuring proper dwell time and reducing carrier tilt. This assembly is ideal for 9mm AR builds, 80% lower completion projects, or retrofit upgrades to existing AR platforms.
Whether you're configuring a patrol carbine, training rifle, or a cost-effective 9mm defensive system, this kit simplifies the process by bundling essential components for your rear-end assembly. Shooters looking for reliability and performance will find this assembly meets their needs. The KE Arms M4 Stock Assembly is a great choice for enhancing your AR platform.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
