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  • MBA-4 w-Cheek_Blk
  • MBA-4F-CHP
  • MBA-4 w-Cheek_Blk_Rev

MBA-4 Carbine w/Cheek Rest

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$133.10

The Luth-AR Modular Buttstock Assembly (MBA) for AR style carbines is designed to replace the standard buttstock on your AR. The MBA-4 with Cheek Rise is designed to work with a 6-position Mil-Spec or Commercial buffer tube. The MBA-4 with Cheek Rise is a direct replacement a standard adjustable carbine buttstock with an adjustable Cheek Rise in a low-cost, lightweight, strong and high-quality design. The MBA-4 also features an anti-rattle set screw. 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 for attaching a monopod. Available in Black or Flat Dark Earth.

SKU Color Price Qty
MBA-4 Carbine w/Cheek Rest - black-2 MBA-4 CHP Black $133.10
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MBA-4 Carbine w/Cheek Rest - flat-dark-earth-2 MBA-4-CHP-FDE Flat Dark Earth $133.10
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MBA-4 with Cheek Piece is our new revolutionary designed stock! This stock is to be paired with Carbine AR rifles allowing shooters to have full adjustability. Not only is it the lightest and most affordable fully adjustable carbine buttstock on the market, it includes several stand-out features. This stock works with both carbine Commercial and Mil-Spec tubes/assemblies.

The MBA-4 with Cheek Piece is designed for shooters who do not need the additional Length-of-Pull and 3-axis butt plate adjustability of the MBA-3, but desire the adjustable cheek rise.

Proudly made in the U.S.A

  • Fits all .223 and .308 AR style rifles
  • Strong and lightweight
  • It adds up to 1-inch of height on the cheek rest
  • Easy to Replace and quick to install
  • Features Picatinny Rail
  • Adjusts to 14.75″ Length-Of-Pull
  • Revolutionary Anti-Rattle Set Screw
  • Adapts To Existing Commercial and Mil-Spec Buffer Tubes
  • Ergonomic
  • Ambidextrous
  • Super Strong Glass Filled Nylon
  • Easy to add buttplate (adjustable Luth-AR accessory)

*This product does not include Sling Swivels or Buffer Tube Assembly, you can purchase those separately on our site.

Features

MBA-4 and cheek piece is our stripped down version of the MBA-3 with cheek rise support.

  • Fits all .223 and most .308 AR style rifles
  • Available in Black or Flat Dark Earth
  • Strong and lightweight, 10 ounces
  • Easy to Replace and quick to install
  • It adds up to 1-inch of height on the cheek rest
  • Adapts To Existing Commercial and Mil-Spec Buffer Tubes
  • Certain after Market Commercial Buffer Tubes that exceed 1.1172″ diameter may not fit
  • Super Strong Glass Filled Nylon
  • Ergonomic
  • Easy to add buttplate (adjustable Luth-AR accessory)
    • If you are upgrading the MBA-4 stock with a butt plate assembly you will need to also purchase the MBA-4 upgrade package
  • 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.

Features

  • Picatinny Rail
  • Revolutionary Anti-Rattle Set Screw

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

Additional Information

The MBA-4 with Cheek Piece does not include the following accessories, they can be purchased on our website separately in the Accessories section:

  • Sling Swivels
  • Carbine Buffer tube
  • Carbine Buffer Body
  • Carbine Spring
  • Latch Plate
  • Lock Ring

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

Luth-AR Note on Savage Rifles:
Our MBA-4 is designed to fit standard Mil-Spec and Commercial Tubes. Some Savage tubes have been found to be oversized making our stock fit very tightly. Please note that you may need to simply purchase a standard carbine tube in order for this to pair correctly. Note: Customers have reported that the MBA-3 or MBA-4 fit the buffer tube that comes on the new model 110 BA Stealth. If you have the older model 110 BA you may have to simply change the buffer tube.
Shipping Weight 2 lbs
Shipping Dimensions 11 × 5 × 2 in
Buttstock Weight

9.6 oz

Application

Carbine

Cheek Rise

1" Fully Extended

Overall Length

7 1/2"

Additional Length-of-Pull

None

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Luth-AR Note on Savage Rifles:
Our MBA-4 is designed to fit standard Mil-Spec and Commercial Tubes. Some Savage tubes have been found to be oversized making our stock fit very tightly. Please note that you may need to simply purchase a standard carbine tube in order for this to pair correctly. Note: Customers have reported that the MBA-3 or MBA-4 fit the buffer tube that comes on the new model 110 BA Stealth. If you have the older model 110 BA you may have to simply change the buffer tube.