User Ratings
No ratings yet
Be the first to review this product
Luth-AR MBA-3 Carbine Buttstock mounts on existing commercial or Mil-Spec buffer tubes and features a Picatinny rail on the bottom rear for accessory attachment. The MBA-3 is a lightweight, durable stock with adjustable length of pull, height, and cheek rise, plus sling attachment points. It uses 6061-T6 aluminum construction and includes a flat bottom index screw to limit rattling. Color options include Black and Flat Dark Earth. Not interchangeable with A2 standard buffer tubes, MBA-1 or MBA-2 rifle buttstocks are required for A2 compatibility. Suitable for AR platform carbines; not recommended for Large Bore calibers such as .338 Lapua or .50 BMG.
Specifications
- Manufacturer:
- Luth-AR
- Category:
- stock-brace
- Platforms:
- AR-15
- Weight:
- 18.5 oz (1.16 lbs)
- Length:
- 8.8"
- UPC:
- 859992007449
- MPN:
- MBA3FKC
- Required Component:
- Yes
Parts Cabinet
Track parts you own or plan to buy.
Where to Buy
Have one to sell?
Sponsored
MantisX
The smart way to train your AR build
Built your rifle — now train it. BlackBeardX installs in minutes and turns your AR into a full dry fire system with smart feedback on every pull.
Shop BlackBeardXPrice History
No Price History Available
Check back later for pricing trends
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertSimilar Products
Magpul CTR Carbine Stock, Mil-Spec, Black (MAG310)
Magpul
$64.95
B5 Systems Bravo Collapsible Mil-Spec AR-15 Stock, Black
B5 Systems
$52.63
3rd Gen Armory SOPMOD Buttstock (PS-ST7B-USA)
3RD Gen Armory
$66.99
SB Tactical SBA3 5-Position Adjustable Pistol Brace, No Buffer Tube, Black (SBA3X-01-SB)
SB Tactical
$64.99
B5 Systems Enhanced SOPMOD Collapsible Mil-Spec AR-15 Stock, Black (SOP-1463)
B5 Systems
$79.99
Magpul DT Carbine Stock, Mil-Spec, Flat Dark Earth (MAG1377-FDE)
Magpul
$48.70
Magpul CTR Carbine Stock, Mil-Spec, Flat Dark Earth (MAG310-FDE)
Magpul
$47.99
B5 Systems Bravo Collapsible Mil-Spec AR-15 Stock, Flat Dark Earth
B5 Systems
$52.63
Builds Using This Part
No builds yet — be the first to use this part.
Related Guides
Guide
AK Furniture and Ergonomics: Stocks, Handguards, and Practical Setup
How AK stock and handguard choices affect control, heat management, optic height, and practical shooting ergonomics.
5 min read
Guide
The AK Platform: Core Design, Strengths, and Builder Tradeoffs
A practical AK overview covering operating system basics, parts ecosystem realities, and where the AK platform shines compared to AR-pattern rifles.
8 min read
Guide
The AR-10 Platform: What It Is and How It Differs from the AR-15
A practical overview of the AR-10 — its origins, how it differs from the AR-15, available calibers, and when it makes more sense than a standard AR-15 build.
6 min read