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Luth-AR MBA-1 Rifle Buttstock (Options)

    • Fully Adjustable Buttstock assembly to mount to a rifle (A2 Round Standard Tube) – This is a fixed stock
    • Additional 1″ height on cheek rest
    • Additional 1 1/16″ length of pull with extended length buttplate
    • Approximately half the weight of competitors’ adjustable stocks The “MBA” weighs just 1.26 lbs.
    • Fits all .223 and most .308 AR style rifles
    • Super Strong Glass Filled Nylon
    • Comes with A1 Buttstock screw to connect to A2 standard buffer tube
    • Easy to replace and quick to install


    • Modular buttstock assembly for the AR
    • Interchangeable with standard A1 or A2 buttstocks or any aftermarket buttstock with overall length of approximately 10.5″
    • Fully Ambidextrous and can be comfortably used shooting off either shoulder (Cheek piece pre-installed for right handed shooters but can be installed on either side for right or left hand shooters)
    • Cheek piece not only moves up and down, it also moves back and forth on the stock
    • NOT interchangeable with carbine/collapsible rifles with telescoping assemblies (6-position tubes). You will need to purchase a MBA-3 or MBA-4 to fit these carbine tubes 
  • Shipping Weight 2 lbs
    Shipping Dimensions 12 x 6 x 3 in


    Buttstock Weight

    18.4 oz

    Extended Length of Pull

    14 3/4″

    Collapsed Length of Pull

    13 5/8″

    Overall Extended Length

    11 1/2″

    Overall Collaspsed Length

    10 7/8″

    Cheek Rise

    1″ Fully Extended

    Additional Length-of-Pull

    1 1/16″

    Available Colors

    Black, Flat Dark Earth

    Manufacturer Part Number


  • The MSR Arms Advisor articles are intended to answer some of the most common shooter questions and assist our customers in making the best purchasing decision possible.
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