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  • July4th MBAFlag
  • July4th MBA-1
  • July4th MBA-3

Freedom Flag MBA-1 or MBA-3

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The Luth-AR Freedom Flag Special Edition is available as an MBA-1 or MBA-3. The Freedom Flag features a Laser Etched Freedom Flag Cheek Riser. The MBA-1 is designed to work with a standard A2 rifle style buffer tube and features Length-of-Pull adjustment and an adjustable cheek rise.

The MBA-3 requires a Carbine buffer tube, either Mil-Spec or Commercial. Please review the information provided in the Requirements tab. This stock works with both carbine Commercial and Mil-Spec tubes/assemblies.

The MBA-3 is a direct replacement a standard adjustable carbine buttstock with additional Length-of-Pull and Cheek Rise. The MBA Buttstocks are low-cost, lightweight, strong and high-quality designs.  The modular design of the MBA Buttstock allows you to configure your buttstock to your specific and personal needs. A rail attachment is available for the MBA-1. The MBA-3 features a built-in rail to attach a mono-pod. All MBA buttstocks feature multiple attachment points for a sling, including molded pockets that accept Grovtec QD cups, sold separately. Available in Black only.

From: $145.00

MBA-1 Freedom Flag Limited Edition Product Description

  • Laser Etched Freedom Flag Cheek Rest
  • Fully Adjustable Buttstock assembly to mount to a rifle (A2 Round Standard Tube) – This is our fixed stock
  • The MBA-1 requires a A2 Rifle buffer tube. Please review the information provided in the Requirements tab.
  • Sling Swivels (Side or Rear) Sold Separately, see below. Also see Tech-Tip Videos
  • Additional 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.
  • Fits all .223 and .308 AR style rifles
  • Super Strong Glass Filled Nylon
  • Comes with A1 Buttstock screw to connect to A2 standard buffer tube
  • Incorporates Castle Nut and Lock Ring in the design
  • Easy to replace and quick to install

MBA-3 Freedom Flag Limited Edition Product Description

  • Laser Etched Freedom Flag Cheek Rest
  • Fully Adjustable Carbine Buttstock assembly to mount to a carbine rifle (6-positions mil-spec or commercial tube) – This is our carbine stock
  • The MBA-3 requires a Carbine buffer tube, either Mil-Spec or Commercial. Please review the information provided in the Requirements tab. This stock works with both carbine Commercial and Mil-Spec tubes/assemblies.
  • Sling Swivels (Side or Rear) Sold Separately, see below. Also see Tech-Tip Videos
  • Additional 1″ height on cheek rest
  • 3-axis Adjustable Butt Plate Assembly extends additional 1 1/16″ length of pull and includes 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
    4. This butt plate assembly is interchangeable with the original MBA-1 Buttstock
  • 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.
  • The Black MBA-3 comes with a  medium soft rubber recoil pad, Duro 85.
  • The Luth-AR MBA-3 weighs roughly half that of comparable stocks coming in at just 18.5 ounces.
  • Fits all .223 and .308 AR carbine style rifles
  • Super Strong Glass Filled Nylon
  • Easy to replace and quick to install
  • Uses 4 out of the 6 positions on a mil-spec or commercial tube

* Available only on Black

Additional Information:

  • When using the MBA-3 with the smaller diameter Mil-Spec tube you can adjust the set screw located on the left hand side using the included 3/32” Allen wrench. Turn clockwise to slowly tighten the set screw until it contacts the buffer tube. The Anti-rattle set screw is NOT designed to lock the position of the stock. Over tightening may damage the butt stock.
  • When sliding the buttstock onto a 6-position buffer tube, the lock pin has a notch in the head of the lock pin that must line up with a tab on the stock body. Once the slot and tab are lined up, the pin can be fully retracted allowing the buttstock to slide onto the tube. The MBA-3 should slide easily without resistance. If there is any resistance, the lock pin is not fully retracted. 
Luth-AR Note on Savage Rifles:
Our MBA-3 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. 

Buffer Tube Requirements

MBA-1 Freedom Flag Buttstock

The MBA-1 Freedom Flag Buttstock is a Rifle Buttstock and requires the use of an A2 style buffer tube. This is a “fixed” buttstock. The A2 Rifle buffer tube can be distinguished from carbine buffer tubes by their shape, the A2 Rifle buffer tube is completely round in shape while the carbine buffer tubes have a rectangular appendage to the tube that encloses six adjustment position holes. An A2 Rifle buffer tube has no length-of-pull adjustability and is substantially longer than a carbine buffer tube.

MBA-3 Freedom Flag Buttstock

The MBA-3 is a Carbine Buttstock and requires the use of a Carbine buffer tube. The MBA-3 will fit either a Mil-Spec or a Commercial buffer tube. (Note: Some commercial buffer tubes may be oversized from industry norms and may not fit. All commercial buffer tubes sold by Luth-AR will fit the MBA-3).

Carbine buffer tubes typically have 6 positions of adjustability, and can be distinguished from an A2 style Rifle buffer tube that offers no adjustment positions. Carbine buffer tubes also differ from the A2 by their shape, the A2 Rifle buffer tube is completely round in shape while the carbine buffer tubes have a rectangular appendage to the tube that encloses six position holes. An A2 Rifle buffer tube is substantially longer than a carbine buffer tube.

Carbine buffer tubes typically are offered in two types, Mil-Spec or Commercial. The Mil-Spec carbine buffer tube is visually identified by the 90 degree “cut” at the closed end of the tube. The Commercial carbine buffer tube is visually identified by the 6 degree slant “cut” at the closed end of the tube. A Mil-Spec tube should meet Military Specifications while Commercial tube dimensions are determined by the manufacturer and are typically made from an extrusion. As long as a Commercial buffer tube does not exceed 1.172″ in diameter the MBA-3 should fit the buffer tube. Using a Commercial buffer tube with an MBA-3 will typically provide a more “snug” fit due to the slightly larger diameter of Commercial buffer tubes.

If you need to purchase a Carbine Buffer tube we offer buffer tubes individually as well as complete kits. We also offer a Scalloped Commercial Buffer tube for that added custom touch for your AR build.

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