Luth-AR .308 Mil-Spec Carbine Buffer Tube Kit

High Quality Mil-Spec Carbine Buffer Tube Kit for AR-10/.308 Rifles

If you’re planning to build or upgrade your AR-308, it’s critical to choose the right buffer tube kit. This buffer tube kit from Luth-AR features a mil-spec diameter for stock compatibility, plus a .308 carbine spring, buffer, castle nut, and endplate. And it’s all made in the USA.

Includes

• Mil-Spec Carbine Tube
• .308 buffer spring
• .308 carbine buffer
• Latch Plate and Lock Ring

Specifications

• Buffer Tube Material: 6061-T6 Aluminum
• Buffer Tube Finish: Hardcoat anodized
• Buffer Weight: 3.8 oz. (.308 Carbine)

Not sure if you need Mil-spec or commercial buffer tube? The below image shows the difference in dimensions. For more information, please read our article, “Mil-Spec vs. Commercial AR 15 Buffer Tubes – Which One is Better?“.

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Luth-AR Limited Warranty

• Luth-AR, LLC manufactured products are warranted for 1 (one) year from the date of purchase against manufacturing defects in material and/or workmanship. All parts and labor or replacement, at our option, are covered.
• Government fees, damage caused by failure to perform normal maintenance, sales outside the United States, damage due to high velocity, high pressure, reloaded, or other non-standard ammunition, or any unauthorized repair, modification, misuse, abuse, or alteration of the product is not covered by this limited warranty.
• Consumable items such as gas rings, O’ rings, etc., are not warranted.
• Luth-AR, LLC complete assembled uppers will be warranted for a period of 1 (one) year after the complete upper was purchased.
• The warranty applies towards defects in materials or workmanship of the complete upper. Luth-AR will pay for all warranty repairs, at no charge to the consumer. Please supply a copy of the invoice for proof of purchase.
• The use of re-load ammunition, proof rounds, or factory ammunition that exceeds initial SAAMI specifications voids any warranty. Any repairs or modifications not done by Luth-AR also voids any warranty.
• Complete uppers not assembled or built by Luth-AR are not covered by the 1 (one) year warranty.
• Please call our warranty department at (763) 263-0166 or email info@luth-ar.com for any warranty issues.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.