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AR9 Buffer Tube Assembly

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If you're in need of a new AR9 buffer tube assembly kit, then we've got you covered. The buffer tube is crafted from 7075-T6 aluminum which makes it very light and durable as hell. It's even compatible with most adjustable 6-position stocks so that you can customize the length of your rifle to your need. This kit includes the following: end plate, castle nut, buffer tube, carbine spring, and 5.5-ounce buffer. 


  • Forged 7075-T6 Aluminum Tube
  • Six-position Buffer Tube
  • 5.5 oz Buffer

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Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or "assault weapons" (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily. only ships within the United States. Federal legislation dictates we cannot ship our products internationally.

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