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AR9 Pistol Build - 10.5" Nitride Barrel, 1:10 Twist Rate with 12" Slant M-Lok Handguard

Was: $799.99
Now: $599.99
SKU:
5165450304_5165449480
Availability:
In Stock! Fast Shipping!
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Enjoy optimal accuracy, style points, and recoil control with this AR-9 Pistol Build Kit. Featuring a 10.5” CMV barrel with fluted flash can and lightweight, 12” M-Lok handguard, this 9mm AR kit promises MOA accuracy, tighter shot groups, and better recoil control.

The included hybrid 9mm AR bolt carrier group and lower parts kit work together to accept any 9mm Glock or Colt SMG magazine. Then you can complete your build in a single day. 

What’s Included 

This kit is not a firearm. It includes an assembled upper receiver, lower parts kit, and buffer assembly with pistol brace. 

AR-9 Pistol Build Kit Specs:

Barrel Length: 10.5″
Barrel Steel: 4150 CMV, heat-treated
Barrel Finish: Nitride
Muzzle Thread: 1/2×36
Chamber: 9mm Parabellum
Twist Rate: 1:10
Muzzle Device: A2 flash hider
Receiver Material: Forged 7075 T6
Receiver Type: Flat-top w/ Picatinny
Handguard Type: Slant 12” M-Lok
Bolt Carrier Group Included: Yes
Bolt Steel: Shot-peened, MPI-tested, 8620 steel
Bolt Carrier Profile: 9mm Hybrid
Charging Handle Included: Yes

AR-9 Pistol Build Kit Features:

  • Complete build kit w/ optional lower
  • Includes pre-built 9mm AR upper
  • Hybrid 9mm AR bolt carrier group
  • High-quality CMV barrel for accuracy
  • Compatible with Glock/Colt magazines
  • Features enhanced, polished trigger
  • Not considered a firearm, no FFL required
  • Proudly built in the U.S.A.
  • Backed by Lifetime Warranty

Barrel: Nitride-coated, 10.5”, chambered in 9mm Parabellum. Made of 4150 CMV steel. Heat-treated. Features 1:10 twist rate. Includes 12” slant M-Lok handguard, and A2 flash hider.

Upper: Mil-spec, made of forged 7075 T6 aluminum. Hard-coat anodized (Type III).

Bolt: Custom 9mm AR hybrid bolt carrier group. Compatible with 9mm Glock or Colt SMG magazines. Heat-treated. Nitride finish. 8620 steel.

Lower Parts Kit: Mil-spec 9mm AR lower parts kit. Enhanced, polished trigger (EPT). Six-position buffer tube. SB Tactical Pistol Brace. Carbine buffer spring. 9mm pistol buffer.

Charging handle: Standard AR-15 charging handle.

Lower receiver sold separately. 

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: www.P65Warnings.ca.gov

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.

80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.

Barrel Size:
10.5"
Caliber:
9mm
Twist rate:
1/10
Barrel Finish:
Nitride
Hanguard Type:
Free-float

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.