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9mm AR-9 Lower Assembly | Lower Parts Kit | Tactical Brace | Buffer Tube | FIRE/SAFE Billet 80% Lower

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So you're trying to build a 9mm AR pistol, and you need a good, solid starting point.  We're here to help.  We put together a little kit that'll get ya the entire bottom half of your build.

This kit gets you a 9mm 80% fire/safe marked lower receiver made from 6061 T6 billet aluminum and a lower parts kits.  With the rest of your build, you're only limited by your own imagination.  We've taken care of the standard parts of your build, and you can worry about the customization of the rest.

(1) Black Fire/Safe Marked Billet 9MM 80% Lower Receiver

  • Compatible with Glock Style magazines
  • Compatible with industry leading jigs such as the Elite Builder 80% Lower Jig.
  • Color: Anodized Black
  • Competition style mag well ramps for faster reloading
  • Quantity: 1
  • 100% Made in the USA

SBA3 MOE Pistol Lower Build Kit

Looking for the perfect way to finish acquiring the parts you need to build you AR pistol? Then we have the perfect kit for you. This pistol lower build kit comes with everything you need to finish off the bottom half of your AR pistol! You get a lower parts kit with an upgraded trigger, Magpul MOE grip and trigger guard, plus a complete mil-spec 5-position carbine buffer tube assembly and a SB Tactical SBA3 Adjustable Pistol Brace. The upgraded trigger is substantially smoother than mil-spec and a great economical upgrade. This super crisp single stage government-style fire control group has finely polished contact surfaces topped off with a silky smooth nickel boron finish.

WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to:

Shipping Restrictions

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.

Billet 6061-T6 Aluminum

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We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.