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 Collapsed 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