Luth-AR MBA-3 Carbine Stock FDE AR-15/AR-10

Luth-AR
MPN:
MBA-3F
UPC:
859819007003
$150.35
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The Luth-AR MBA-3 Fully Adjustable Carbine Stock in Flat Dark Earth (FDE) delivers precision-engineered ergonomics for AR-15 and AR-10 platform rifles, giving shooters a highly customizable fit straight out of the box.

  • 3-axis adjustable butt plate for personalized length, height, and cant settings
  • Adjustable cheek piece rises to meet your eye for consistent sight alignment
  • Fits both commercial and mil-spec buffer tubes for maximum compatibility
  • Integrated Picatinny rail on the bottom rear for accessories and monopod use
  • Constructed from durable, glass-filled nylon for strength without added weight
  • Compatible with most .223 and .308 AR carbine-style rifles right out of the box

Who This Is For

The Luth-AR MBA-3 is ideal for precision shooters, competitive marksmen, and serious AR enthusiasts who demand a fully customizable stock that adapts to their body and shooting style. Whether you're running a lightweight .223 varmint rifle or a hard-hitting .308 AR-10 build, this stock provides the repeatable, dialed-in fit needed to shoot more accurately and comfortably over long sessions at the bench or in the field.

Luth-AR MBA-3 Adjustable Carbine Stock in FDE – Side Profile View Luth-AR MBA-3 FDE Stock – Adjustable Cheek Piece and Butt Plate Detail

Specifications

BrandLuth-AR
ModelMBA-3 Carbine Stock
Color / FinishFlat Dark Earth (FDE)
MaterialGlass-Filled Nylon
Buffer Tube CompatibilityCommercial & Mil-Spec
Rifle CompatibilityAR-15, AR-10 Carbine Style
Caliber Compatibility.223 / 5.56 and most .308
Butt Plate Adjustment3-Axis (Height, Length, Cant)
Cheek PieceYes, Adjustable
Accessory RailPicatinny (Bottom Rear)
Included Butt PadHard Butt Plate

Frequently Asked Questions

Will the Luth-AR MBA-3 fit my existing AR buffer tube?

Yes. The MBA-3 is designed to fit both commercial and mil-spec diameter carbine buffer tubes, making it compatible with the vast majority of AR-15 and AR-10 builds without requiring any additional adapters or hardware. Simply remove your existing stock and slide the MBA-3 onto your current buffer tube.

What does "3-axis adjustable" mean on the MBA-3 butt plate?

The 3-axis adjustable butt plate can be configured along three planes: length of pull (how far the stock extends), vertical height (raising or lowering the butt plate against your shoulder), and lateral cant (angling the plate left or right). This level of fine-tuning allows shooters of different builds and shooting positions to achieve a repeatable, natural cheek weld and shoulder placement every time.

Can I use the MBA-3 for both bench shooting and field use?

Absolutely. The MBA-3's integrated Picatinny rail on the bottom rear of the stock body accepts a monopod for stable bench or prone shooting, while its adjustable cheek piece and butt plate make it equally well-suited for dynamic field positions. The rugged glass-filled nylon construction holds up to hard use in all environments without adding unnecessary weight to your rifle.