TC Custom Keyed Carbine Buffer Tube

SKU #5011
Availability: In stock

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Regular Price $52.99 Now Only $42.39

Our new and improved Keyed Carbine Buffer Tube is manufactured exclusively for Thordsen Customs and is ideal for use with our FRS-15 Rifle Stocks, AR/AK Cheek Rest kits, and light weight pistol applications.

With all the new or pending weight and length restrictions on AR/AK type pistol applications. We have redesigned our keyed buffer tubes to make them 2 oz. lighter and 1/2" shorter while still maintaining the features that make it the optimal foundation for our cheek rest kits.

It is a hybrid design based on modified a Mil-Spec buffer tube. They are made without detent holes making it impossible to lock an adjustable stock onto it.

Our proprietary threaded hard mount hole is still present for our hard mount saddle setups and other accessories coming down the pike in the future.


  • 7.3" overall length
  • Mil Spec profile
  • 3.6 oz. total weight
  • Rolled Threads
  • 7075 Aluminum Impact Forged
  • Type III Hard Anodize
  • Laser Engraved Logo
  • Use with standard carbine length buffer and spring


  • 1 - Keyed Carbine Length Buffer Tube

Made in USA


It is the responsibility of firearms dealers and private firearms owners to know and fully understand all federal, state, and local firearms laws in their area. Thordsen Customs LLC will not be held liable for any misuse of its products and will assume that our product(s) comply with state and local laws unless otherwise notified by authorities.

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