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  • MBA-1FF

MBA-1 Rifle Buttstock with .308/7.62 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 .308/7.62 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 .308/7.62 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, including molded pockets that will accept Grovtec QD cups, sold separately. A rail attachment is available. Available in Black or Flat Dark Earth or Freedom Flag (Black).


From: $202.94

This package includes:

  • (1) MBA-1 Modular Buttstock Assembly
  • (1) .308/7.62 Buttstock Extension Tube
  • (1) Standard .308/7.62 Buttstock Buffer Spring
  • (1) Standard Buffer Body Assembly – 5.3 oz

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 .223/5.56 and most .308/7.62 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 (Side or Rear) Sold Separately, see below. Also see Tech-Tip Videos
  • 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) .308/7.62 Buttstock Extension Tube

(1) Standard .308/7.62 Buttstock Buffer Spring

(1) Standard Buffer Body Assembly – 5.3 oz

Installing .308/7.62 buffer system on a carbine may affect function.

SKU: MBA-1K308 — Black

SKU: MBA-1FK308 — Flat Dark Earth

SKU: MBA-1FFK308 — Freedom Flag


Buttstock Type


Buffer Tube


Buffer Weight

5.3 oz

Available Colors

Freedom Flag, Black, Flat Dark Earth


.308/7.62, .308, 7.62

Buttstock Weight

18.4 oz



Cheek Rise

1" Fully Extended

Additional Length-of-Pull

1 1/16″

Collapsed Length-of-Pull


Extended Length-of-Pull

11 1/2"


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