User Ratings
No ratings yet
Be the first to review this product
Product Description The Luth-AR MBA-4 Carbine Stock is a rugged, lightweight upgrade for AR-style carbines that offers a modern, stable shooting platform without unnecessary complexity. Designed to fit both Commercial and Mil-Spec diameter carbine buffer tubes, it’s compatible with AR-15 and AR-10 platforms and provides adjustable length of pull using an anti-rattle screw that locks into buffer tube positions. This model includes an adjustable cheek rest for improved cheek weld and sight alignment, plus multiple sling attachment points and a rear Picatinny rail section for monopod/accessory mounting.
Product Highlights
- Compatible with both Commercial and Mil-Spec diameter carbine buffer tubes
- Adjustable cheek rest helps fine-tune cheek weld for optics and iron sights
- Anti-rattle adjustment system provides a solid, stable length-of-pull setup
- Multiple sling attachment points for flexible carry configurations
- Rear monopod/accessory Picatinny rail section for enhanced stability options
Specs
- Brand: Luth-AR
- Model: MBA-4 Carbine Stock (with Cheek Riser)
- Color: Black
- Platform Compatibility: AR-15 / AR-10
- Buffer Tube Fit: Commercial and Mil-Spec diameter carbine buffer tubes
- Cheek Rest: Adjustable
- Additional Features: Rear Picatinny rail section; multiple sling attachment points; anti-rattle adjustment screw
- UPC: 859819007027
- Manufacturer Part Number: MBA-4-CHP
Specifications
- Manufacturer:
- Luth-AR
- Category:
- stock-brace
- Platforms:
- AR-15, AR-10
- Weight:
- 9.6 oz
- Length:
- 7.5" - 10.0"
- UPC:
- 859819007027
- MPN:
- MBA-4-CHP
- 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
Current
$96.44
Lowest
$82.90
Highest
$124.97
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