Luth-Ar115786237
Luth-AR A2 Rifle Standard Buffer Body $21.61
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Availability: In Stock
The Luth-AR A2 Rifle Buffer Tube Assembly is a complete mil-spec kit designed for builders who want to upgrade their AR-15 platform to full rifle-length recoil management. Whether you're assembling a new rifle from the ground up or converting an existing build, this kit gives you everything needed to install an A2-pattern buffer system. It's built to original mil-spec dimensions and materials, making it a straightforward choice for shooters who value reliability and standardization.
This assembly uses a 6061-T6 aluminum tube with hardcoat anodized black finish, the same material spec as military-issue components. The kit arrives complete with the extension tube, buffer spring, and buffer body—no additional trips to source individual parts. One important note: if you're converting a carbine-length gas system to this rifle-length system, you may run into reliability issues. A rifle-length gas tube is the proper match for this buffer setup.
Luth-AR components are popular among AR-15 builders and gunsmiths who need dependable, spec-correct parts without the premium markup. This kit is especially useful for dedicated rifle builds, modern sporting rifle projects, or anyone standardizing on A2-pattern ergonomics across multiple platforms.
| Tube Material | 6061-T6 Aluminum |
| Finish | Hardcoat Anodized Black |
| System Type | A2 Rifle Buffer Tube Assembly |
| Spring Type | Standard .223 Rifle Buttstock Buffer Spring |
| Kit Contents | (1) A2 Rifle Buttstock Extension Tube, (1) Buffer Spring, (1) Buffer Body Assembly |
| Platform Compatibility | AR-15 / M16 pattern rifles |
No. This is a rifle-length buffer system designed for rifles with rifle-length gas tubes. Attempting to use it on a carbine-length gas system may cause reliability issues. Make sure your rifle's gas tube length matches this rifle-length assembly.
The kit includes an A2 rifle buttstock extension tube, a standard .223 rifle buttstock buffer spring, and a rifle buffer body assembly. All three components are included—you don't need to buy parts separately.
Yes. This is a complete mil-spec kit designed for builders assembling new rifles or converting existing platforms to A2 rifle-length recoil systems, provided they have a rifle-length gas tube.
The extension tube is 6061-T6 aluminum with a hardcoat anodized black finish, matching military specification standards.
SKU: 115649354 • Width: 3in • Height: 1in • Depth: 16.75in • Weight: 0.69oz
Availability: In Stock
The Luth-AR A2 Rifle Buffer Tube Assembly is a complete mil-spec kit designed for builders who want to upgrade their AR-15 platform to full rifle-length recoil management. Whether you're assembling a new rifle from the ground up or converting an existing build, this kit gives you everything needed to install an A2-pattern buffer system. It's built to original mil-spec dimensions and materials, making it a straightforward choice for shooters who value reliability and standardization.
This assembly uses a 6061-T6 aluminum tube with hardcoat anodized black finish, the same material spec as military-issue components. The kit arrives complete with the extension tube, buffer spring, and buffer body—no additional trips to source individual parts. One important note: if you're converting a carbine-length gas system to this rifle-length system, you may run into reliability issues. A rifle-length gas tube is the proper match for this buffer setup.
Luth-AR components are popular among AR-15 builders and gunsmiths who need dependable, spec-correct parts without the premium markup. This kit is especially useful for dedicated rifle builds, modern sporting rifle projects, or anyone standardizing on A2-pattern ergonomics across multiple platforms.
| Tube Material | 6061-T6 Aluminum |
| Finish | Hardcoat Anodized Black |
| System Type | A2 Rifle Buffer Tube Assembly |
| Spring Type | Standard .223 Rifle Buttstock Buffer Spring |
| Kit Contents | (1) A2 Rifle Buttstock Extension Tube, (1) Buffer Spring, (1) Buffer Body Assembly |
| Platform Compatibility | AR-15 / M16 pattern rifles |
No. This is a rifle-length buffer system designed for rifles with rifle-length gas tubes. Attempting to use it on a carbine-length gas system may cause reliability issues. Make sure your rifle's gas tube length matches this rifle-length assembly.
The kit includes an A2 rifle buttstock extension tube, a standard .223 rifle buttstock buffer spring, and a rifle buffer body assembly. All three components are included—you don't need to buy parts separately.
Yes. This is a complete mil-spec kit designed for builders assembling new rifles or converting existing platforms to A2 rifle-length recoil systems, provided they have a rifle-length gas tube.
The extension tube is 6061-T6 aluminum with a hardcoat anodized black finish, matching military specification standards.
SKU: 115649354 • Width: 3in • Height: 1in • Depth: 16.75in • Weight: 0.69oz