Luth-Ar115695523
Luth-AR AR-15 A2 Rifle Standard Buttstock Buffer Spring $4.22
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Availability: In Stock
The Luth-AR A2 Rifle Buttstock Extension Tube is a foundational upgrade for AR platform shooters who want to swap or replace their current buffer tube assembly. Built from 6061-T6 aluminum with a hardcoat anodized black finish, this extension tube handles the rigors of the range and field while maintaining a clean, durable appearance. Whether you're building an AR-15 in 223/5.56 or stepping up to an AR-10 in 308/7.62, this tube works across both platforms, making it a practical choice for builders and gunsmiths managing multiple caliber setups.
The A2 design pairs with standard A2 fixed buttstock configurations, giving you straightforward compatibility within the mil-spec ecosystem. The aluminum construction keeps weight down without sacrificing strength—a critical consideration when you're fine-tuning the balance and handling of your rifle. Whether you're replacing a worn tube or assembling a new build from the ground up, this Luth-AR piece delivers the no-nonsense engineering expected from quality AR components.
If you're building or rebuilding an AR and need a reliable, proven buffer tube that won't break the bank or eat up your build timeline, the Luth-AR A2 extension tube is the straightforward choice. It's the kind of component that doesn't get a lot of attention—until you need one, and then you want it to work every time.
| Brand | Luth-AR LLC |
| Product Type | AR Buffer Tube / Buttstock Extension Tube |
| Material | 6061-T6 Aluminum |
| Finish | Hardcoat Anodized Black |
| Buttstock Compatibility | A2 Fixed Buttstock |
| Platform Compatibility | AR-15 (223/5.56) and AR-10 (308/7.62) |
Yes. The Luth-AR A2 extension tube is compatible with both AR-15 platforms in 223/5.56 and AR-10 platforms in 308/7.62, making it versatile across caliber systems.
This tube is designed to work with A2 fixed buttstock configurations. If you're running a different stock style, verify compatibility before purchase.
The tube is constructed from 6061-T6 aluminum and features a hardcoat anodized black finish for durability and corrosion resistance.
SKU: 115756761 • Width: 1in • Height: 1in • Depth: 10.25in • Weight: 0.25oz
Availability: In Stock
The Luth-AR A2 Rifle Buttstock Extension Tube is a foundational upgrade for AR platform shooters who want to swap or replace their current buffer tube assembly. Built from 6061-T6 aluminum with a hardcoat anodized black finish, this extension tube handles the rigors of the range and field while maintaining a clean, durable appearance. Whether you're building an AR-15 in 223/5.56 or stepping up to an AR-10 in 308/7.62, this tube works across both platforms, making it a practical choice for builders and gunsmiths managing multiple caliber setups.
The A2 design pairs with standard A2 fixed buttstock configurations, giving you straightforward compatibility within the mil-spec ecosystem. The aluminum construction keeps weight down without sacrificing strength—a critical consideration when you're fine-tuning the balance and handling of your rifle. Whether you're replacing a worn tube or assembling a new build from the ground up, this Luth-AR piece delivers the no-nonsense engineering expected from quality AR components.
If you're building or rebuilding an AR and need a reliable, proven buffer tube that won't break the bank or eat up your build timeline, the Luth-AR A2 extension tube is the straightforward choice. It's the kind of component that doesn't get a lot of attention—until you need one, and then you want it to work every time.
| Brand | Luth-AR LLC |
| Product Type | AR Buffer Tube / Buttstock Extension Tube |
| Material | 6061-T6 Aluminum |
| Finish | Hardcoat Anodized Black |
| Buttstock Compatibility | A2 Fixed Buttstock |
| Platform Compatibility | AR-15 (223/5.56) and AR-10 (308/7.62) |
Yes. The Luth-AR A2 extension tube is compatible with both AR-15 platforms in 223/5.56 and AR-10 platforms in 308/7.62, making it versatile across caliber systems.
This tube is designed to work with A2 fixed buttstock configurations. If you're running a different stock style, verify compatibility before purchase.
The tube is constructed from 6061-T6 aluminum and features a hardcoat anodized black finish for durability and corrosion resistance.
SKU: 115756761 • Width: 1in • Height: 1in • Depth: 10.25in • Weight: 0.25oz