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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.
cc-hand-icon RIDICULOUSLY EASY
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
Norton Shopping Guarantee

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, City of Philadelphia Pennsylvania, Maryland, Illinois, and Rhode Island

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