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Fully Adjustable Carbine Buttstock assembly to mount to a carbine rifle (6-positions mil-spec or commercial tube) – This is our carbine stock 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: Horizontal for linear adjustment (i.e. length of pull) Vertical for a perfect butt plate fit into the curvature of the shoulder. Lateral adjustment for a ½ inch left or right cast 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 FDE MBA-3 comes with a FDE hard butt plate as a pad. A Black medium soft rubber recoil pad is available for additional purchase. The Luth-AR MBA-3 weighs roughly half that of comparable stocks coming in at just 18.5 ounces. Fits all .223 and most .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
Manufacturer: Luth-AR
SKU: MBA-3B
  • *
$150.35

Product Description

  • Fully Adjustable Carbine Buttstock assembly to mount to a carbine rifle (6-positions mil-spec or commercial tube) – This is our carbine stock
  • 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 FDE MBA-3 comes with a FDE hard butt plate as a pad. A Black medium soft rubber recoil pad is available for additional purchase.
  • The Luth-AR MBA-3 weighs roughly half that of comparable stocks coming in at just 18.5 ounces.
  • Fits all .223 and most .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

Features

  • Ergonomic
  • Adapts To Existing Commercial and Mil-Spec Buffer Tubes
  • Certain after Market Commercial Buffer Tubes that exceed  1.172″ diameter, may not fit
  • The MBA-3 and MBA-4 are available in 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 applications. See our MBA-1 and MBA-2 Rifle buttstocks as alternatives.
  • The MBA-3 Carbine buttstock is NOT interchangeable with A2 standard buffer tube. You will need to purchase a MBA-1 or MBA-2 Rifle buttstock to fit A2 tubes 

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-3 does not include the following accessories, they can be purchased on our website separately in the Accessories section:

  • FDE Medium soft rubber recoil pad, Duro 85
  • Sling Swivels
  • Carbine Buffer tube
  • Carbine Buffer Body
  • Carbine Buffer Spring
  • Latch Plate
  • Lock Ring

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 as the threaded insert may separate from the plastic stock body
  • 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. 

Product Description

  • Fully Adjustable Carbine Buttstock assembly to mount to a carbine rifle (6-positions mil-spec or commercial tube) – This is our carbine stock
  • 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 FDE MBA-3 comes with a FDE hard butt plate as a pad. A Black medium soft rubber recoil pad is available for additional purchase.
  • The Luth-AR MBA-3 weighs roughly half that of comparable stocks coming in at just 18.5 ounces.
  • Fits all .223 and most .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

Features

  • Ergonomic
  • Adapts To Existing Commercial and Mil-Spec Buffer Tubes
  • Certain after Market Commercial Buffer Tubes that exceed  1.172″ diameter, may not fit
  • The MBA-3 and MBA-4 are available in 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 applications. See our MBA-1 and MBA-2 Rifle buttstocks as alternatives.
  • The MBA-3 Carbine buttstock is NOT interchangeable with A2 standard buffer tube. You will need to purchase a MBA-1 or MBA-2 Rifle buttstock to fit A2 tubes 

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-3 does not include the following accessories, they can be purchased on our website separately in the Accessories section:

  • FDE Medium soft rubber recoil pad, Duro 85
  • Sling Swivels
  • Carbine Buffer tube
  • Carbine Buffer Body
  • Carbine Buffer Spring
  • Latch Plate
  • Lock Ring

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 as the threaded insert may separate from the plastic stock body
  • 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. 
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