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Luth-AR MBA-3
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Luth-AR

MBA-3

$209.95
$197.35
Sale Price
Available California compliant

Luth-AR MBA-3 Stock With Buffer Assembly, Mil-Spec Dia 6-Position Carbine Buffer Tube, AR-15 Buffer, Buffer Spring, Latch Plate and Lock Ring, Adjustable Length of Pull/Cheek Height/Butt Plate, Fits AR-15, Black MBA-3K-M

Key Details
Brand Luth-AR
Manufacturer Part Number MBA-3K-M
UPC 859992007418
SKU LUTHMBA-3K-M
Current Stock 7 available
Quantity Updated Jun 30, 2026 7:45 AM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

Luth-AR's MBA-3 Modular Carbine Stock is designed to be compatible with both Commercial and Mil-Spec Diameter Carbine Buffer Tubes for the AR-15 and AR-10 platforms. The MBA-3 is fully adjustable, and comes equipped with a 3-axis adjustable butt plate, adjustable cheek rest and adjustable length of pull. Additional features include multiple sling mounting points and a bottom Picatinny accessory rail for use in mounting a rear monopod. The MBA-3 will fit all .223 and most .308 AR carbine style rifles. It is constructed of strong glass filled nylon, is easy to replace and quick to install. An included anti-rattle screw ensures a secure fit to either diameter carbine buffer tube. This Complete Assembly Kit comes with everything needed to install the MBA-3 Stock to your AR-15 lower receiver, including a Mil-Spec diameter buffer tube, carbine recoil buffer, carbine recoil buffer spring, receiver end plate and castle nut.

Features
  • Precision Stock with Buffer and Spring
  • Fits AR-15
Specifications
UPC: 859992007418
Manufacturer: Luth-AR
Manufacturer Part #: MBA-3K-M
Model: MBA-3
Size: Mil Spec
Type: Stock