Out of stock
SKU: LBMILSTKKT
UPC: 765857617497
The LBE AR Milspec Complete Stock Kit from LBE Unlimited delivers a mil-spec buttstock assembly engineered for AR-15 platform rifles requiring a standards-compliant rear assembly. This complete kit includes everything needed for a proper carbine-length stock installation: a six-position M4-style adjustable buttstock, mil-spec buffer tube, carbine-length recoil spring, standard carbine buffer, receiver end plate, and castle nut. Field-proven across law enforcement and civilian applications, this assembly prioritizes compatibility and repeatability over cosmetic features.
The six-position adjustment range accommodates shooters in tactical gear, body armor, or lighter clothing without requiring supplemental hardware. The mil-spec tube and hardware meet AR-15 dimensional standards, ensuring reliable function across uppers from various manufacturers. The included carbine-length recoil spring and standard buffer work in concert to manage felt recoil signature and bolt velocity, supporting consistent reliability in both suppressed and unsuppressed configurations. All components arrive complete—no additional parts or modifications necessary for functional installation on compatible lower receivers.
This kit serves operators, trainers, and builders who prioritize mil-spec dimensional accuracy and field-proven performance. It addresses the core requirement of a properly functioning recoil system for carbines, patrol rifles, and modular builds where standardization reduces maintenance complexity and supports cross-platform parts compatibility. Whether assembling a duty-ready carbine or refreshing an existing platform, this stock kit provides the foundation that institutional armorers and experienced operators have relied upon for decades.
LBE Unlimited maintains production in the United States, supporting a supply chain that aligns with professional and government procurement standards. For buyers sourcing replacement stock assemblies, upgrade kits, or complete AR-15 build components, this milspec configuration represents a baseline reference standard against which aftermarket alternatives are typically measured.
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.
