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  • MBA-3FFK308-C

MBA-3 Carbine Buttstock w/.308 Commercial Buffer Assembly

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The MBA-3 adjustable Rifle Buttstock Assembly is a complete kit that includes everything you need to assemble a carbine buffer system on your .308 AR lower. The kit includes an MBA-3 Buttstock that features a 3-Axis Buttplate with Length-of-Pull adjustment as well as Height and Lateral adjustments, and an adjustable Cheek Rise in a lightweight, affordable carbine buttstock. Comes complete with Commercial 6-position carbine Buffer Tube, .308 Buffer, .308 Buffer Spring, Latch Plate and Lock Ring. The modular design of the MBA Buttstock allows you to configure your buttstock to your specific and personal needs. Built-in rail attachment for attaching a monopod. The MBA features multiple attachment points for a sling, including molded pockets that will accept Grovtec QD cups, sold separately. Available in Black or Flat Dark Earth or Freedom Flag (Black only).

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From: $237.90

This package includes:

  • (1) MBA-3 Modular Buttstock Assembly
  • (1) Carbine 6-Position Commercial Buffer Tube
  • (1) .308 Carbine Buffer Spring
  • (1) .308 Buffer Body – 3.8 oz
  • (1) Latch Plate
  • (1) Lock Ring

The MBA-3 includes the following features:

  • Buttstock assembly to mount to a Carbine AR
  • Fits .308 AR style rifles
  • 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
  • The MBA-3 and MBA-4 are available in Black and Flat Dark Earth
  • The vertical struts for the MBA 3 are fixed therefore the cheek pc is not reversible like the MBA 1 however the cheek pc 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 applications. See our MBA-1 and MBA-2 Rifle buttstocks as alternatives.

Specifications

  • 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″
  • Weight: 18.5 ounces

*Length of Pull Specs depend on Buffer Tube Hole Location/Position and 5 or 6 hole patter.

Compatible Buffer Assemblies:

  • .223 Mil-Spec Carbine Buffer Assembly
  • .223 Commercial Carbine Buffer Assembly
  • .308 Mil-Spec Carbine Buffer Assembly
  • .308 Commercial Carbine Buffer Assembly (Included)
    • Material: 6061-T6 Aluminum
    • Finish: Hardcoat Anodized Black

Additional Information

It does not include the following, but can be purchased separately in the accessories section:

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 applications. See our MBA-1 and MBA-2 Rifle buttstocks as alternatives.

Installation Notes:  When tightening the anti rattle set screw, be careful not to over-tighten, the threaded insert may separate from the plastic stock body. 

 

SKU: MBA-3K308-C — Black

SKU: MBA-3FK308-C — Flat Dark Earth

SKU: MBA-3FFK308-C — Freedom Flag Cheek Rest

Buttstock Type

MBA-3

Buffer Tube

Commercial

Buffer Weight

3.8 oz

Caliber

.308

Buttstock Weight

19.2 oz

Application

Carbine

Cheek Rise

1" Fully Extended

Overall Length

7 11/16"

Additional Length-of-Pull

1 1/16″

Available Colors

Freedom Flag, Black, Flat Dark Earth

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