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Luth-AR
Overview
The Luth-AR MBA-3 AR-10 Stock is a polymer stock designed for Mil-Spec buffer tubes, providing a lightweight yet durable option for your build. This stock features an adjustable length of pull and a comfortable cheek riser, enhancing stability and precision when shooting. It is often found on builds utilizing a rifle gas system chambered in .308 Win, making it a versatile choice for a range of applications.
Prices checked
Luth-AR MBA-3 AR-10 Stock w/ Buffer Assembly Mil-Spec - MBA-3K308-M ranked #53 of the 199 stocks and braces builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since May 2026. All time, it ranks #183 of the 497 stocks and braces builders have added.
It was in stock most days in September 2026, and today 7 of the 8 retailers we track have it in stock. It dipped to $170.98 at GritR Sports for a stretch in September 2026, well under its usual $222.99, so sales do come around. Buying today, the lowest price is $222.99 at Brownells, above September's low of $170.98, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every stock & brace by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Stock Popularity Report →Check it against the live catalog:
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