Luth-Ar194200515
LUTH-AR MBA-5F MBA-5 STOCK ASSEMBLY - FDE$46.95
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Availability: In Stock
The Luth-AR MBA-4 Skullaton stock assembly is a lightweight polymer buttstock built for AR-15 and AR-308 carbine platforms that demand modularity without the bulk. If you're running a modern tactical carbine or a practical shooting rig, this skeleton-style stock replaces your factory buttstock assembly with a streamlined alternative that sheds weight while keeping your setup nimble and adaptable.
The Skullaton's open-frame design reduces mass while its polymer construction keeps things durable for hard use. The stock mounts to both commercial and mil-spec buffer tubes, making it compatible with most .223 and .308 carbine-length builds—a genuine strength if you own multiple platforms or plan to swap your stock between rifles. The included black medium soft rubber butt plate absorbs recoil and stays secure against your shoulder, and a flat set screw locks your preferred length-of-pull in place with zero rattle.
What sets the Skullaton apart from plain-Jane mil-spec stocks is the bottom Picatinny rail, which opens the door to sling mounts, storage, or other tactical gear you might want to bolt on. That flexibility without proprietary interfaces is what working shooters actually use. The MBA-4 rides a 4-position adjustment range, giving you the tweaking room most carbine shooters need without the bloat of a 6-position design.
| Brand | Luth-AR |
| Model | MBA-4 Skullaton |
| Type | Buttstock Assembly |
| Material | Polymer |
| Buffer Tube Compatibility | Commercial and mil-spec |
| Rifle Compatibility | Most .223 and .308 carbine-length AR rifles |
| Adjustment Positions | 4 |
| Included Butt Plate | Black medium soft rubber |
| Accessory Rail | Bottom Picatinny |
| Not Compatible With | A2 standard buffer tube |
Yes, the MBA-4 is designed to work with both commercial and mil-spec buffer tubes on most .223 carbine-length AR rifles. It is not compatible with A2 standard buffer tubes, so verify your buffer tube type before purchasing.
The Skullaton is compatible with most .308 carbine-length AR platforms, but compatibility varies by rifle design. Confirm your specific build before ordering.
The MBA-4 comes with the polymer stock body, a black medium soft rubber butt plate, and a flat set screw for locking in your preferred length-of-pull.
Yes. The Skullaton features a bottom Picatinny rail that accepts standard rail-mounted accessories like sling attachments, pouches, or other tactical gear.
SKU: 194200517 • Width: 6in • Height: 2.7in • Depth: 12.4in • Weight: 0.995oz
Availability: In Stock
The Luth-AR MBA-4 Skullaton stock assembly is a lightweight polymer buttstock built for AR-15 and AR-308 carbine platforms that demand modularity without the bulk. If you're running a modern tactical carbine or a practical shooting rig, this skeleton-style stock replaces your factory buttstock assembly with a streamlined alternative that sheds weight while keeping your setup nimble and adaptable.
The Skullaton's open-frame design reduces mass while its polymer construction keeps things durable for hard use. The stock mounts to both commercial and mil-spec buffer tubes, making it compatible with most .223 and .308 carbine-length builds—a genuine strength if you own multiple platforms or plan to swap your stock between rifles. The included black medium soft rubber butt plate absorbs recoil and stays secure against your shoulder, and a flat set screw locks your preferred length-of-pull in place with zero rattle.
What sets the Skullaton apart from plain-Jane mil-spec stocks is the bottom Picatinny rail, which opens the door to sling mounts, storage, or other tactical gear you might want to bolt on. That flexibility without proprietary interfaces is what working shooters actually use. The MBA-4 rides a 4-position adjustment range, giving you the tweaking room most carbine shooters need without the bloat of a 6-position design.
| Brand | Luth-AR |
| Model | MBA-4 Skullaton |
| Type | Buttstock Assembly |
| Material | Polymer |
| Buffer Tube Compatibility | Commercial and mil-spec |
| Rifle Compatibility | Most .223 and .308 carbine-length AR rifles |
| Adjustment Positions | 4 |
| Included Butt Plate | Black medium soft rubber |
| Accessory Rail | Bottom Picatinny |
| Not Compatible With | A2 standard buffer tube |
Yes, the MBA-4 is designed to work with both commercial and mil-spec buffer tubes on most .223 carbine-length AR rifles. It is not compatible with A2 standard buffer tubes, so verify your buffer tube type before purchasing.
The Skullaton is compatible with most .308 carbine-length AR platforms, but compatibility varies by rifle design. Confirm your specific build before ordering.
The MBA-4 comes with the polymer stock body, a black medium soft rubber butt plate, and a flat set screw for locking in your preferred length-of-pull.
Yes. The Skullaton features a bottom Picatinny rail that accepts standard rail-mounted accessories like sling attachments, pouches, or other tactical gear.
SKU: 194200517 • Width: 6in • Height: 2.7in • Depth: 12.4in • Weight: 0.995oz