LBE Complete Mil-Spec M4 6-Position Stock Kit

Features

1. Complete AR-15/M4 Buttstock Kit — Ships with every component needed to finish a stripped lower and run a collapsible stock, no extra parts to source.
2. 6-Position M4-Style Stock — Adjustable length-of-pull lets you tune cheek weld and reach for different shooters, body armor, or shooting positions.
3. Mil-Spec Buffer Tube — True mil-spec 1.148" outer diameter receiver extension fits the vast majority of aftermarket M4 stocks on the market.
4. Carbine-Length Recoil Spring — Properly tuned carbine spring delivers reliable cycling with standard 5.56/.223 carbine gas systems.
5. Standard Carbine Recoil Buffer — Included carbine buffer keeps bolt carrier timing in spec for dependable feeding and lockback.
6. Receiver End Plate — Steel end plate locks the buffer tube in place and provides a flat surface for an ambidextrous sling attachment.
7. Castle Nut Included — Standard mil-spec castle nut with staking notches secures the assembly against recoil and rough handling.
8. Black Synthetic Construction — Reinforced polymer stock body resists impacts, weather, and solvents while keeping the rifle light.
9. Drop-In AR-15/M4 Compatibility — Designed for any standard AR-15 or M4 lower receiver, making it a direct upgrade or replacement build component.
10. LBE Unlimited Quality — Built by a trusted US producer of AR parts at a price point that fits new builds and parts-bin upgrades alike.