No ratings yet
Be the first to review this product
The MBA-3 Adjustable Rifle Buttstock Assembly is a complete kit designed to upgrade your .223/5.56 AR lower with a carbine buffer system. This kit includes the MBA-3 Buttstock featuring a 3-Axis Buttplate with adjustments for length-of-pull, height, and lateral positioning, as well as an adjustable cheek rise. Lightweight and affordable, the MBA-3 is built for both performance and customization. The package includes a Mil-Spec 6-position carbine buffer tube, .223/5.56 buffer, and buffer spring.
Sponsored
Wheeler Tools
Stop guessing torque specs
Wheeler's FAT Wrench takes the guesswork out of scope mounting and barrel work.
Shop ToolsHave one to sell?
Current
$199.99
Lowest
$199.99
Highest
$199.99
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertGuide
A comprehensive overview of every major component in an AR-15 build—including what's inside bolt carrier groups and parts kits—organized by assembly for new builders.
12 min read
Guide
A neutral overview of AR-15 buffer systems, covering carbine vs. rifle receiver extensions, buffer weights, springs, and how these parts affect cycling and recoil.
5 min read