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 LUTH-AR MBA-3 Carbine Buttstock & Mil-Spec Buffer Tube Kit Assembly **For Ar-15 Rifle**
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LUTH-AR MBA-3 Carbine Buttstock & Mil-Spec Buffer Tube Kit Assembly **For Ar-15 Rifle**

On sale: $209.99 $149.95
You Save:$60.04(29%)
Part Number: 5142-9
Availability: In Stock.


 LUTH-AR MBA-3 Carbine Buttstock 

& Mil-Spec Buffer Tube Kit Assembly 


Priced Below Dealer Cost !!


Reg 209.99 NOW $149.99


This Package Includes:

  • (1) MBA-3 Modular Buttstock Assembly
  • (1) Carbine 6-Position Mil-Spec Buffer Tube (Oem Mfg Omega Made In Usa)
  • (1) .223 Carbine Buffer Spring (Oem Mfg Omega Made In Usa)
  • (1) .223 Carbine Buffer Body(Oem Mfg Omega Made In Usa)
  • (1) Latch Plate (Oem Mfg Omega Made In Usa)
  • (1) Lock Ring (Oem Mfg Omega Made In Usa)

The MBA-3 includes the following features:

  • Buttstock assembly to mount to a Carbine AR
  • Fits all .223 and most .308 AR style rifles (.223 Buffer & Spring Included In Kit)
  • Easy to Replace and quick to install
  • It adds up to 1-inch of height on the cheek rest, and an additional 1-1/16 inch length of pull
  • Made of super strong glass-filled nylon, the Luth-AR MBA-3 weighs roughly half that of comparable stocks coming in at just 18 ounces.
  • Includes a Picatinny Rail on the bottom rear of the Stock Body to attach your choice of many accessories.
  • Designed a flat bottom index set screw (10-24) to eliminate that constant rattle of carbine collapsible buttstock. This also allows you to secure the stock in your favorite position.
  • 3-axis adjustable butt plate assembly (keep in mind this butt plate assembly is interchangeable with the original MBA-1 Buttstock) will have the following movement:
    1. Horizontal for linear adjustment (i.e. length of pull)
    2. Vertical for a perfect butt plate fit into the curvature of the shoulder.
    3. Lateral adjustment for a ½ inch left or right cast.
  • Ergonomic
  • Adapts To Existing Commercial and Mil-Spec Buffer Tubes
  • Certain after Market Commercial Buffer Tubes that exceed  1.172? may not fit
  • The MBA-3  Black or Flat Dark Earth
  • The vertical struts for the MBA-3 are fixed therefore the cheek piece is not reversible like the MBA-1 however the cheek piece itself is designed with a cheek pad for left-handed use
  • Caution: the MBA-3 and MBA-4 Carbine buttstocks are not designed to be used with Large Bore Calibers such as .338 Lapua or .50 BMG applicationsSpecifications


  • Length of Pull (LOP) – Extended: 15 5/8
  • Length of Pull (LOP) – Collapsed: 11 11/16
  • Overall Length Extended: 8 3/4
  • Overall Length Collapsed: 7 11/16


*Buffer Color May Vary






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