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MBA-1 Rifle Buttstock w/.223 Buffer Assembly

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The MBA-1 fixed Rifle Buttstock Assembly is a complete kit that includes everything you need to assemble an A2 rifle buffer system on your .223/5.56 AR lower. The kit includes an MBA-1 Buttstock that features adjustable Length-of-Pull, and adjustable Cheek Rise, in a lightweight, affordable rifle buttstock. Comes complete with A2 Buttstock extension tube, Standard Buffer, and a .223 Buffer Spring. 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, and has a rail attachment available. Available in Black, Flat Dark Earth.

SKU Color Price Qty
MBA-1 Rifle Buttstock w/.223 Buffer Assembly - black-2 MBA-1K Black $185.90
MBA-1 Rifle Buttstock w/.223 Buffer Assembly - flat-dark-earth-2 MBA-1F Flat Dark Earth $185.90

This package includes:

  • (1) MBA-1 Modular Buttstock Assembly
  • (1) A2 Buttstock Extension Tube
  • (1) Standard .223 Buttstock Buffer Spring
  • (1) Standard Buffer Body Assembly

The MBA-1

  • Fully adjustable: extra 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.
  • Easy to replace and quick to install
  • Fits all .223 and most .308 AR style rifles
  • Super Strong Glass Filled Nylon


  • Modular buttstock assembly for the AR
  • Interchangeable with standard A1 or A2 buttstocks or any aftermarket buttstock with overall length of approximately 10.5″
  • Length: 10 3/8″ ( 11.5″ extended )
  • Sling swivels not included
  • Not interchangeable with carbine rifles with telescoping assemblies.
  • 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)

Our Buffer Tube Assembly Kit contains:

(1) A2 Buttstock Extension Tube

(1) Standard .223 Buttstock Buffer Spring

(1) Standard Buffer Body Assembly

Installing A2 buffer system on a carbine may affect function.


SKU: MBA-1K — Black

SKU: MBA-1F — Flat Dark Earth



Shipping Weight 2 lbs
Shipping Dimensions 11 × 5 × 2 in


Buttstock Weight

18.4 oz



Cheek Rise

1" Fully Extended

Overall Length

10 3/8″

Additional Length-of-Pull

1 1/16″

Available Colors

Black, Flat Dark Earth


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