Description
The Luth-AR Modular Buttstock Assembly (MBA) for AR style carbines is designed to replace the standard buttstock on your AR. The MBA-4 is designed to work with a 6-position Mil-Spec or Commercial buffer tube. The MBA-4 is a direct replacement a standard adjustable carbine buttstock without additional Length-of-Pull or Cheek rise in a low-cost, lightweight, strong and high-quality design.
The MBA-4 requires a Carbine buffer tube, either Mil-Spec or Commercial. This stock works with both carbine Commercial and Mil-Spec tubes/assemblies.
The MBA-4 also features an anti-rattle set screw. The modular design of the MBA Buttstock allows you to configure your buttstock to your specific and personal needs. The MBA features multiple attachment points for a sling, including molded pockets that will accept Grovtec QD cups.
- Lightweight buttstock for the carbine AR, weighing in at 9.5 ounces
- Picatinny Rail
- Revolutionary Anti-Rattle Set Screw
- Easy to add our Cheek Piece: Cheek piece will add an additional 1? height on cheek rest
- Easy to add our Butt Plate Assembly or 3-Axis Butt Plate Assembly: The assemblies will add an additional 1 1/16? length of pull with extended length buttplate
- Adapts To Existing Commercial and Mil-Spec Buffer Tubes
- Certain after Market Commercial Buffer Tubes that exceed 1.1172? diameter may not fit









