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Why customers choose this item
✓Complete M4 stock kit
✓Includes buffer tube kit
✓Includes STT2 buffer
✓Fits AR rifle platforms
✓Collapsible stock design
✓Black finish kit
Product highlights
Complete M4 stock kit designed to finish AR-15 lower receiver assembly builds
Includes buffer tube buffer spring castle nut end plate and ST-T2 buffer
Six position adjustable stock allows length of pull customization for shooter preference
Black finish components provide uniform appearance and corrosion resistance protection
Compatible with AR rifles requiring mil spec buffer tube and stock assembly installation
Provides essential components for rear rifle assembly without sourcing individual parts separately
Product description
The Spike’s Tactical Complete M4 Stock Kit is a rifle stock kit designed for assembling the rear section of AR-15 rifles. This complete stock kit includes a buffer tube, buffer spring, ST-T2 buffer, castle nut, and end plate for installation. It is intended for AR rifle configurations requiring a collapsible stock system.
The Spike’s Tactical Complete M4 Stock Kit features a black finish and includes a six-position mil-spec buffer tube and M4-style collapsible stock. It is categorized under stocks and buffer tubes and fits AR rifle platforms. The kit includes all required rear assembly components for installation. In standard configurations, this product is used for completing the lower receiver rear section and supporting recoil system function. The included ST-T2 buffer integrates with the buffer system for standard operation within AR platform rifles.
Volume pricing for business and agency buyers, plus free ground shipping on most continental U.S. orders.
Business & agency accounts
Bulk discounts
Volume pricing, dedicated account management, ACH payment options, and special sourcing for businesses, agencies, law enforcement, and first responders.