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80% Arms sells AR-15 and .308 80% Lower Receivers, 80% Lower Jigs and other accessories which allow you to legally build a firearm at home in most states.
cc-gun-icon INCREDIBLY PRECISE
We utilize state of the art 5-axis CNC machines to mill all our .308 and AR-15 80 percent lower receivers to incredibly precise tolerances using premium billet aluminum.
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We also offer our patented AR-15 and .308 Easy Jigs® which is the first 80% lower jig that makes it ridiculously easy for a non-machinist to finish their 80% lower in under 1 hour with no drill press required.
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Products manufactured by 80% Arms carry a lifetime warranty against manufacturing defects. We will promptly replace or repair any product that we determine to be defective.

Aero Precision Complete 16" AR-9 80% Build Kit

$989.99
SKU:
ACBK-AR9
Shipping:
Calculated at Checkout

This blowback AR-9 80% build kit with Glock mag style 80% lower contains all the necessary high-quality parts to build your 9mm Carbine at home! We removed all the guesswork and packaged the necessary parts to build what we believe is the highest quality 80% AR-9 lower. 


Our Complete AR-9 80% Build Kit Features:

  • EPC-9 THREADED 16" 9MM COMPLETE UPPER RECEIVER W/ ATLAS R-ONE 15" HANDGUARD with Last Round Bolt Hold Open (LRBHO)
  • 80 Percent Arms Billet 6061 AR-9 80% Lower - Glock Style Mags
  • Aero Precision Black Nitride 9mm Bolt Carrier Group
  • Aero Precision AR-15 Charging Handle
  • Magpul Str Stock
  • Smith Defense Systems 7.5oz 6-Position Carbine Buffer Tube Kit
  • Smith Defense Systems AR-15 Lower Parts Kit

About the kit:

Barrel

  • Chamber: 9x19
  • Length: 16"
  • Twist: 1 in 10
  • Threading: 1/2"x28
  • Material: Chrome Moly Vanadium
  • Finish: QPQ corrosion resistant finish both inside and out

EPC - 9 Upper Receiver

  • Last round bolt hold open mechanism
  • Accepts most AR15 compatible barrel nuts and handguards
  • Dimple above threads to allow for proper handguard timing
  • Standard AR15 takedown/pivot pin lug pattern
  • Machined from custom forged 7075-T6 aluminum

Atlas R-One Handguard 

  • Full top picatinny rail for optional attachments
  • Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
  • 1.3" Inside diameter
  • 1.5" Outside diameter
  • Compatible with mil-spec AR15 upper receivers and barrels

Can't decide between the AR-9 or AR-15? Let us help you.

Wondering about LRBHO? Check out our blog which explains what that is! 

Shipping Restrictions: This item is restricted from shipping to California, Connecticut, New Jersey, New York, Washington D.C, Washington, Hawaii, Colorado, Cities of Philadelphia - York - Reading Pennsylvania, Maryland, Massachusetts, Illinois, and Rhode Island

Under California law, this product is or contains an unserialized “firearm precursor part” and cannot be sold into the State of California. 80% Arms cannot accept any orders of this product for shipment to the State of California, or to any customer who is a resident of the State of California.

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