Upgrade your AR-15 build with this US-made Mil-Spec 6-position buffer tube kit, finished in premium 24K gold plating for maximum corrosion resistance and custom show-quality appearance. Machined from high-strength T6 aluminum, this buffer system delivers durability, smooth cycling, and reliable performance for AR pistol and rifle platforms.
This complete kit includes a 6-position Mil-Spec receiver extension, 3 oz CAR buffer, upgraded chrome silicon buffer spring, castle nut, and end plate, giving builders everything needed for installation. The chrome silicon spring provides improved service life and consistent return force compared to standard music wire springs.
Fully compatible with SBA Tactical stabilizing braces and most Mil-Spec AR-15 brace and stock systems.
Premium Construction
T6 aluminum Mil-Spec receiver extension
24K gold plated corrosion-resistant finish
Complete Installation Kit
6-position buffer tube
End plate
Castle nut
3 oz CAR buffer
Upgraded chrome silicon buffer spring
Enhanced Cycling Performance
Chrome silicon spring increases durability and cycle consistency
Optimized for AR pistol and rifle reliability
Brace Compatibility
Works with SBA Tactical braces
Fits most Mil-Spec AR brace and stock systems
Platform: AR-15
Tube Spec: Mil-Spec Diameter
Material: T6 Aluminum
Finish: 24K Gold Plated
Positions: 6 Position Adjustable
Buffer Weight: 3 oz (CAR Buffer)
Spring Type: Chrome Silicon Upgrade Spring
Compatibility:
SBA Tactical Braces
Mil-Spec AR-15 Stocks & Braces
Country of Origin: USA
Tags: ar-15, mil, spec, buffer, tube, assembly mil-spec, gold, 6-position, kit, aluminum, car, chrome, silicon, spring, –, moriarti, arms