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Questions & Answers
Will this work on the MBA 4? Manufacturer Answer

The Luth-AR buttplate assembly will work on the MBA-4 carbine stock and comes with all the items needed to put it on.

by Luth-AR, Manufacturer, June 8, 2022
Customer Reviews
Most Recent Reviews
Works great by Tk444, Verified Owner, December 12, 2019
Works great, easy to install and adjust. Adjustment is perfect for getting the best length for a comfortable stance and helps with accuracy and Precision. A little pricey but worth it. Happy hunting!!!!!
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Product Info for Luth-AR Buttplate Assembly

Need extra Length-of-Pull for your MBA-2 or MBA-4 buttstock? This complete kit contains everything you need to add the adjustable length-of-pull of the MBA-1 to an MBA-2 or MBA-4.image

Specifications for Luth-AR Buttplate Assembly:

Manufacturer: Luth-AR
Additional Features: for MBA-2
Condition: New
Country of Origin: USA

Package Contents:

  • Luth-AR Buttplate Assembly
  • 1 Butt Plate Frame with insert RL-008F
  • 1 Butt Plate Pad RL-006
  • 1 Extension Tube Spacer/Adapter
  • 1 Butt Plate &amp Extension Tube Adapter Screws 8-323/8 SCW-01
  • 1 Lockplate RL-010F
  • 1 Steel Thumb Screw TS-01
  • 1 Thumb Screw Star Lock Washer TSW-01
  • 1 Side Plate RL-0011
  • 1 Side Plate RL-025C
  • 2 Side Plate Button Head Cap Screws 8-323/4 SCW-02
  • 2 Side plate/Stop Nut Nyloc Nut 8-32 Black HN-02

Luth-AR Buttplate Assembly Orderable Models

List of Orderable Models

  • Luth-AR Buttplate Assembly, Black, BPA-01 , MPN: BPA-01 , UPC: 862388000146 , Code: 3FN-BSA-BTPLT-BPA-01
  • Luth-AR Buttplate Assembly, FDE, BPA-01F , MPN: BPA-01F , UPC: 859992007180 , Code: 3FN-BSA-BTPLT-BPA-01F

Luth-AR Buttplate Assembly Unavailable & Discontinued Models

List of Unorderable Models

  • Luth-AR Buttplate Assembly, Pink, BPA-01P , MPN: BPA-01P , Code: 3FN-BSA-BTPLT-BPA-01P
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Last updated 2026-09-18 UTC.