Luth-AR MBA-3 Adjustable Stock Kit .308 Black AR-10
Luth-AR
$224.61
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Luth-AR
Luth-AR MBA-3 Adjustable Stock Kit .308 Black AR-10
The Luth-AR MBA-3 Adjustable Stock Kit for .308 / AR-10 delivers competition-grade precision and fit in a rugged, modular package — giving serious shooters complete control over ergonomics straight from the box.
- Fully adjustable 3-axis butt plate fine-tunes fit for any shooting position
- Adjustable cheek rest delivers consistent cheek weld for improved accuracy
- Length of pull adjustment accommodates a wide range of body types and gear
- Compatible with both Commercial and Mil-Spec diameter carbine buffer tubes
- Bottom Picatinny rail accepts a rear monopod for bench and precision shooting
- Glass-filled nylon construction offers excellent strength-to-weight ratio
Who This Is For
The MBA-3 is the ideal upgrade for AR-10 and .308 precision rifle enthusiasts who demand a fully customizable stock without the premium price tag. Whether you're a competitive shooter looking to dial in your fit at the bench, a hunter who needs versatile adjustment in the field, or an AR-10 builder seeking a complete, drop-in stock solution, this kit provides everything needed for a clean, rattle-free installation on your .308 or 7.62 lower receiver.
Specifications
| Brand | Luth-AR |
|---|---|
| Model | MBA-3 Complete Assembly Kit |
| Platform Compatibility | AR-10 / .308 / 7.62 Carbine |
| Buffer Tube Compatibility | Commercial & Mil-Spec Diameter |
| Caliber Fit | .308 Win / 7.62×51 NATO |
| Butt Plate Adjustment | 3-Axis Adjustable |
| Cheek Rest | Adjustable Height |
| Length of Pull | Adjustable |
| Accessory Rail | Bottom Picatinny (Monopod Mount) |
| Sling Mounts | Multiple Points |
| Material | Glass-Filled Nylon |
| Color | Black |
| Anti-Rattle Screw | Included |
| Kit Includes | All hardware for AR-10 .308 installation |
Frequently Asked Questions
Is the MBA-3 kit truly complete — what's included in the box?
Yes, this is a complete assembly kit that includes all the hardware and components needed to mount the MBA-3 stock directly to a .308 / AR-10 lower receiver. The anti-rattle screw is included to ensure a secure, wobble-free fit on either a Commercial or Mil-Spec diameter carbine buffer tube. No additional parts are required for installation.
Will the MBA-3 work with my specific .308 AR-10 rifle?
The MBA-3 is designed to fit the vast majority of AR-10 and .308 carbine-style rifles. It is compatible with both Commercial and Mil-Spec diameter carbine buffer tubes, making it highly versatile across popular AR-10 platforms. Luth-AR notes it fits all .223 rifles and most .308 AR carbine-style builds — verify your buffer tube diameter before ordering if you have a non-standard setup.
Can I mount a monopod or sling to the MBA-3 stock?
Absolutely. The MBA-3 features a bottom Picatinny accessory rail specifically designed for attaching a rear monopod, making it a popular choice for precision and bench shooting. Multiple sling mounting points are also built into the stock, giving you flexible options for single-point, two-point, or three-point sling configurations.
