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Obtain maximum range and accuracy with an AR9 Rifle Build Kit.

The 9mm cartridge was designed for handgun barrels. It offers good velocity and performance out of barrels measuring as short as 4". But 9mm still has plenty of room to stretch its speed, obtaining incredible accuracy when chambered in a 9mm rifle configuration. That's why we've carefully crafted these high-quality AR9 rifle kits.

9mm AR Rifle Kit Specs & Features

  • All carbon barrels forged from MIL-B-11595 E steel (4150 or Chromoly Vanadium)
  • All carbon barrels and chambers treated with Nitride (Melonite) or Phosphate coating
  • All stainless / match barrels forged from Crucible 416R steel for sub-MOA accuracy
  • All bolt carrier groups (BCGs) full-auto, staked, M16 profile, chrome-lined
  • All stripped upper receivers forged from mil-spec 7075 T6 aluminum
  • All buffer assemblies and lower parts kits are mil-spec in fit and finish

Why Build an AR9 Rifle?

The 9mm cartridge's available loads vary in weight. Heavier loads require more dwell time (the length of time gas is pressurized and accelerating the round) to obtain optimal velocity. By choosing to build an AR9 rifle instead of a pistol, you'll obtain the maximum velocity across all 9mm loads, guaranteeing the greatest accuracy possible.

Plus, you can more easily install a proper buttstock on your AR9 rifle. AR-type pistols cannot have any stock installed, lest they be registered as a short-barreled rifle (SBR), first. This can be expensive and time-consuming, requiring an enhanced background check and fingerprinting through the ATF.

Lastly, an AR9 rifle stabilizes and handles the recoil of heavy +P loads better. That means you can obtains velocities as high as 1,750 FPS -- that's enough "juice" out of the muzzle to effectively hit targets beyond 200 meters.

State Laws May Vary

Contrary to federal law, some states have either restricted or banned the sale, transfer, and ownership of 80% lowers, firearm blanks, and other gun parts. Because of these restrictions, we cannot ship our products to certain states. Please confirm whether your state is restricted on our Shipping & Return Policy before placing an order. We cannot fulfill orders to restricted states if placed.

Benefits of Our 9mm Rifle Kit:

  • No FFL is required to buy or own one
  • 100% compatible with retail AR9 parts
  • Takes as little as 15 to 30 minutes to complete
  • Made from quality billet or forged aluminum, or weapons-grade polymer
  • Limited Lifetime Warranty against defects and workmanship
  • Proudly made, coated, and engraved in the USA

 


 

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.