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9mm AR 15 Rifle Kit - 16" Parkerized M4 Barrel, 1:10 Twist Rate with 15" M-Lok Handguard



For those who need 9mm to act like a NATO rifle round.

This 16"-barreled 9mm AR rifle kit is the shooter you need if you're looking for blowback rifle cycling action combined with the laser precision of the AR platform. It comes fitted with a mil-spec 4150 chrome moly vanadium barrel, forged to achieve MOA accuracy or better within 150 meters. It sports the proven standard 1:10 twist rate necessary for accurizing just about any 9mm loads, with a free-float M-Lok handguard that provides all the space you need for accessories, a pistol grip, tac light, or whatever else.

New to the 9mm AR? Check our AR-9 build guide!

All components included with this 9mm kit are top-tier and completely 9mm compatible: A forged (7075-T6) "slick-side" upper ditches the forward assist since blowback cartridges don't require one and also the dust cover for a cleaner look. A 9mm buffer rests inside the forged six-position buffer tube, fixed with an M4 buttstock. Everything's finished off with an industry-leading Type III Hardcoat finish and a QPQ Nitride treatment for the barrel, squeezing out that last bit of accuracy compared to a chromed-lined and phosphated barrel.

What’s Included

This kit is not a firearm. It includes an assembled upper receiver, bolt carrier group, lower parts kit, and buffer assembly with buttstock. It does not include the component to make a firearm: A stripped lower receiver. Pair this rifle kit with an AR-9 80% lower receiver and AR-9 jig to fabricate a receiver, sold separately.

Here's the beginner's guide to 80% lowers.

9mm AR-15 Rifle Kit Specs


  • Chamber:  9mm Parabellum
  • Contour:  M4/Government
  • Length:  16”
  • Twist Rate:  1:10
  • Gas System:  N/A (Blowback)
  • Gas Port:  0.750”
  • Gas Hole Dia.:  0.070”
  • Muzzle Threads:  5/8x24
  • Material:  4150 CMV
  • Finish:  Nitride
  • Process:  Button Rifled
  • Lining:  Nitride
  • Extension:  M4
  • Muzzle:  A2 “Birdcage” Flash Hider


  • Attachment System:  M-Lok
  • Finish:  Type III Hardcoat Anodized (Mil-Spec)
  • Top Rail:  M1913 Picatinny
  • Material:  Billet 6061-T6 Aluminum
  • Attachment:  Barrel Nut 

Stripped Upper Receiver

  • Profile:  M4 Flattop
  • Material:  Forged 7075-T6 Aluminum
  • Finish:  Type III Hardcoat Anodized (Mil-Spec)

Bolt Carrier Group

  • Profile:  G-9 Hybrid 9mm Bolt (PSA)
  • Steel: Carpenter No. 158 (Mil-Spec)
  • Exterior:  Phosphate Coating
  • Interior:  Chrome-Lined
  • Gas Key:  Staked, Chromed
  • Charging Handle:  Included

Lower Receiver Parts

  • Buffer System: Mil-spec, 9mm
  • Buttstock: Mil-spec, M4-type
  • Parts Kit: Mil-spec, single-stage

Receiver sold separately

No FFL or serialization is required to fabricate a receiver under federal law. However, state laws vary. Some states require serialization or have banned 80% lowers and gun-making kits. We encourage each and every builder to perform their own research about the state and federal laws that apply to them.

Made in the USA Lifetime Warranty

Shipping Restrictions

AR-15Lowerreceivers.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally. 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 (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. We try our best to keep our shipping page current, but laws change daily.

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.